• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a structure forming a clasp (9) for a timepiece comprising a locking device (7) which equips a first strand (31) and which is configured to connect this first strand and a second strand (32); a clasp body (6) provided between the locking device (7) and the first strand (31) so as to open and close; and a locking bar (8) configured to prevent unlocking of the clasp body (6).
    公开号:CH717135A2
    申请号:CH00129/21
    申请日:2021-02-10
    公开日:2021-08-16
    发明作者:Ishida Masahiro
    申请人:Seiko Watch Kk；
    IPC主号:
    专利说明:

    Domain
    The present invention relates to a structure forming a timepiece clasp, a timepiece bracelet and a timepiece.
    Description of the related prior art
    In the related prior art, a clasp configuration used for a wristwatch strap and the like is known. Various clasp configurations have been proposed in which the operations of opening and closing the clasp can be easily performed due to the fact that a release button or the like is provided to unlock the clasp.
    [0003] For example, JP-A-2017-402 (PTL 1) provides a clasp structure comprising a bottom plate attached to one end of a first bracelet strand and formed with a locking protrusion, a pair of buttons. push-buttons which are biased towards the outside according to the direction of the thickness of the bracelet, as well as a part which opens and closes, which opens and closes according to the actuation of the push-buttons. According to the technique described in PTL 1, the locking projection can be locked to the opening and closing part, by actuation of the push buttons. Alternatively, the locking projection locked to the opening and closing part can be released by actuation of the push buttons.
    [0004] However, in the technique disclosed in PTL 1, since the pushbuttons protrude outwardly, when an unwanted external force acts on the pushbuttons during use, there is a risk that the pushbuttons are pushed in and the clasp is unlocked. Particularly, when the timepiece is used in a situation where the movements of the arm are intense, such as during sports, there is a risk that the clasp will be unlocked due to an impact or the like. In this case, a clasp malfunction may occur in the technique disclosed in PTL 1.
    Abstract
    [0005] Consequently, an object of the invention is to provide a structure forming a timepiece clasp which prevents malfunction of the clasp, as well as a timepiece bracelet and a timepiece having this structure. forming a timepiece clasp.
    In order to solve the problems mentioned above, a structure forming a timepiece clasp according to one aspect of the invention comprises: a locking device configured to equip a first strand and to connect this first strand and a second strand ; a clasp body configured to be provided between the locking device and the first strand, and to open and close; and a locking bar configured to prevent unlocking of the clasp body
    According to the configuration, since the locking bar which prevents unlocking of the clasp body is provided in the structure in which the first strand and the second strand are connected by the locking device and by the clasp body, it is It is possible to prevent the clasp body from being unexpectedly unlocked from the locked state, against what the user wants. Therefore, it is possible to maintain a state for port which is stable in use.
    [0008] Therefore, it is possible to provide a structure forming a timepiece clasp preventing a malfunction from occurring in which the locking of the clasp is unexpectedly undone.
    In the structure forming a timepiece clasp, the locking bar may comprise a pivot axis provided coaxial with a shaft of the clasp body and of the locking device, two side walls arranged to pivot about the axis pivot, an upper wall which connects the two side walls, and an insertion passage which is surrounded by the side walls and by the upper wall and in which the second strand is to be inserted, the locking bar being movable, by pivoting about the pivot axis, between a locked state in which unlocking of the clasp body is prevented and an unlocked state in which the clasp body can be unlocked.
    According to this configuration, it is possible to effectively prevent a release of the clasp body by the locking bar in the locked state and to easily move the locking bar into the unlocked state when it is desired to release. the clasp body. Therefore, the safety and convenience for the user can be improved.
    The locking bar comprises the insertion passage surrounded by the side walls and by the upper wall, and the second strand is to be inserted into the insertion passage. Therefore, the locking bar can serve as a fixed loop. When the locking bar serves as a fixed loop, fluttering of the second strand can be prevented, and since it is unnecessary to provide a fixed loop separately (in addition), the number of parts can be reduced. In addition, when the locking bar serves as a fixed loop, the second strand is held by pressing the locking bar, instead of passing the strand through the fixed loop as in the prior art. Therefore, compared with the case of using a fixed loop in the prior art, when one end of the second strand is passed through the fixed loop, creases can be prevented from forming in the leather of the strand.
    In the structure forming a timepiece clasp, the clasp body may include two shafts configured to move one towards or in the direction opposite to the other depending on the opening and closing operation. closure, and the locking bar may include the pivot axis provided coaxial with one of the two shafts, and a locking portion configured to be pivotally locked on the other of the two shafts.
    According to this configuration, since the locking bar retains the two shafts of the clasp body by the pivot axis and by the locking portion, it is possible to prevent the two shafts from moving away from one of them. the other. Therefore, the clasp body can be prevented from being unlocked. Therefore, it is possible to provide a locking mechanism which mechanically prevents unlocking of the clasp body.
    In the structure forming a timepiece clasp, the clasp body may include a lower plate configured to be connected to the first strand, an upper plate configured to be connected to the second strand and to be locked to the lower plate, and a release portion configured to release a lock between the lower plate and the top plate, the locking bar possibly including a locking portion configured to be locked to a locking portion provided closer to the release portion than to the pin. pivot, and it is possible to provide that when the locking portion is locked to the locking portion, the locking bar covers the release portion.
    According to this configuration, since the locking bar covers the release part of the clasp body, it is possible to prevent an external force from acting on the release part. Therefore, since the release part is not operable in use, it is possible to prevent the release part from being actuated accidentally and the clasp body from being unexpectedly unlocked. Therefore, it is possible to provide a locking mechanism which prevents unlocking of the clasp body by preventing accidental actuation of the release part.
    A timepiece bracelet according to one aspect of the invention comprises a structure forming a timepiece clasp as defined above; as well as the first strand and the second strand.
    According to this configuration, the first strand and the second strand are connected to each other by means of the structure forming a timepiece clasp defined above. Therefore, by preventing the clasp body from being unexpectedly unlocked, it is possible to prevent a connection state between the first strand and the second strand from being unexpectedly undone. Therefore, it is possible to provide a timepiece bracelet preventing a malfunction from occurring in which a connection state between the first strand and the second strand is unexpectedly undone.
    A timepiece according to one aspect of the invention comprises a timepiece bracelet as defined above; a box body; and a movement housed in the box body
    According to this configuration, the timepiece can be used as a wristwatch by mounting the movement in the case body. Since the timepiece comprises the timepiece bracelet defined above, it can be a timepiece which, while preventing unexpected unlocking of the clasp body, is easy to use, its length being adjustable. by means of the locking device. In particular, the timepiece can be prevented from falling from the arm due to unexpected unlocking of the clasp body, and the timepiece is thus suitable for situations requiring safety such as when in use. by a diver.
    [0020] Therefore, it is possible to provide a high performance timepiece provided with a timepiece bracelet preventing the occurrence of a malfunction in which the locking of the clasp is unexpectedly undone and in which the The connection state between the first strand and the second strand is unexpectedly broken.
    According to the invention, it is possible to provide a structure forming a timepiece clasp preventing malfunction of the clasp, as well as a timepiece bracelet and a timepiece comprising the timepiece structure. watchmaking.
    Brief description of the figures
    FIG. 1 is a side view of a timepiece according to a first embodiment, in a state to be worn (state for wearing). FIG. 2 is a front view of the timepiece according to the first embodiment. FIG. 3 is a side view of the timepiece according to the first embodiment, in a half-set (arm) state. FIG. 4 is a side view of the timepiece according to the first embodiment, in a state with the clasp unlocked (clasp open). Fig. 5 is a perspective view of a locking bar according to the first embodiment. Figure 6 is a side view of the locking bar and a clasp body in the state with the clasp unlocked. Fig. 7 is a side view showing an unlocked state of the locking bar according to the first embodiment. Fig. 8 is a side view showing a locked state of the lock bar according to the first embodiment. Figure 9 is a perspective view of a locking bar according to a second embodiment. Fig. 10 is a side view of the locking bar according to the second embodiment. Fig. 11 is a rear view of the locking bar according to the second embodiment, as seen from the outside. FIG. 12 is a perspective view of a structure forming a timepiece clasp according to a variant of the second embodiment. FIG. 13 is a side view of a timepiece according to another embodiment.
    Detailed description of preferred embodiments
    In what follows, embodiments of the invention will be described with reference to the drawings.
    First embodiment
    Timepiece
    Figure 1is a side view of a timepiece 1 according to a first embodiment, in a state to be worn. FIG. 2 is a front view of the timepiece 1 according to the first embodiment. FIG. 1 shows a state (state to be worn) which is that of the timepiece 1 when a user wears this timepiece 1 on the arm.
    As shown in Figure 1, the timepiece 1is a wristwatch worn on the arm (wrist). Timepiece 1 comprises a case body 4, a timepiece bracelet 2, and a movement 3.
    Box body
    As seen from the side, the box body 4 has a flat plate shape. As shown in Fig. 2, the box body 4 as seen from the front side has a circular shape. A space in which the movement 3 is accommodated is provided inside the box body 4. A surface of the box body 4 in the form of a flat plate is an upper surface 4a made of a transparent material such as glass, through which an internal dial (not shown) can be distinguished visually. The other surface of the box body 4 in the form of a flat plate is a lower surface 4b (see Figure 1) located on the side of a user's arm when the timepiece 1 is worn. A body portion provided with a first bend 11 and a second bend 12 is placed between the upper surface 4a and the lower surface 4b.
    The first bend 11 is provided at an end portion 4c of the box body 4 at one side in a predetermined direction D when viewed from the front side. The first elbow 11 comprises a pair of first elbow horns 13 and a first spring bar 14 (see FIG. 1).
    The first elbow horns 13 are arranged at a distance from each other in a circumferential direction of the box body 4 when looking from the front side (see Figure 2). The first elbow lugs 13 are formed integrally with the box body 4. The first elbow lugs 13 extend from the end part 4c of the box body 4, outwards, in a radial direction of the box body 4. In particular, as shown in Figure 1, the first elbow lugs 13 are inclined starting from a central portion of the box body 4 in the direction of thickness, towards the side of the lower surface 4b of the box body 4a. as one moves away radially from an outer peripheral portion of the gearbox body 4.
    The first spring bar 14 is provided between the first elbow horns 13. The two ends of the first spring bar 14 are rotatably attached to the distal ends of the first elbow horns 13. A first passage 15 is formed between the first spring bar 14 and the end part 4c of the case body 4. A bracelet body 5, which will be described later, can be passed through the first passage 15.
    The second bend 12 is provided at an end part 4d (the other end part) of the box body 4, on the other side in the predetermined direction D, which is on the side opposite to the first bend 11 The first bend 11 and the second bend 12 pass through the central portion of the housing body 4 in the predetermined direction D, and are formed symmetrically with respect to a straight line orthogonal to the predetermined direction D. In other words, the second elbow comprises a pair of second elbow horns 16 and a second spring bar 17.
    As shown in Figure 2, the two second elbow horns 16 are provided at a distance from each other in the circumferential direction of the box body 4 when looking from the front side. The second elbow lugs 16 are integrally formed with the box body 4. The second elbow lugs 16 are inclined from a central portion of the box body in the direction of thickness, towards the side of the bottom surface. 4b of the gearbox body 4 as one moves away radially from the outer peripheral portion of the gearbox body 4.
    As shown in Figure 1, the second spring bar 17 is provided between the second elbow horns 16. The two ends of the second spring bar 17 are rotatably attached to the distal ends of the second elbow horns 16. A second passage 18 is formed between the second spring bar 17 and the other end part 4d of the case body 4. The bracelet body 5, which will be described later, can be passed through the second passage 18.
    Timepiece bracelet
    The timepiece bracelet 2 is connected to the box body 4. The timepiece bracelet 2 is a bracelet to allow the box body 4 to be worn on the arm of a user. The timepiece bracelet 2 comprises the bracelet body 5 and a structure forming a timepiece clasp 9.
    Bracelet body
    The bracelet body 5 has a strap shape and is made of a material such as leather, fabric or resin. The bracelet body 5 is elastically flexible in the direction of thickness. In the present embodiment, the bracelet body 5 is made of two elements whose materials are different. In particular, the bracelet body 5 comprises a sturdy element 21 and an aesthetic element 22. The sturdy element is made, for example, of a resin such as reinforced nylon or a synthetic fiber. The aesthetic element 22 is made of a material such as leather or a resin. The tensile strength of the sturdy element 21 is greater than the tensile strength of the aesthetic element 22. The sturdy element 21 and the aesthetic element 22 each have a webbing shape and overlap each other. in the direction of thickness.
    [0035] FIG. 3 is a side view of the timepiece 1 according to the embodiment, in a half-set state (at the arm). FIG. 1 shows the timepiece 1 in the state to be worn. FIG. 3 shows a state which is that of the timepiece 1 when a distal end 32a of a second strand 32 has been withdrawn from the free loops 19.
    The bracelet body 5passe (is inserted) in the first passage 15 and in the second passage 18 in a state where the robust element 21 and the aesthetic element 22 overlap and are integrated. In particular, in the bracelet body 5, in the state to be worn, the robust element 21 is on the internal side (arm side) and the aesthetic element 22 is on the external side (side exposed to the outside). In the state where the bracelet body 5 has passed through the first passage 15 and into the second passage 18, the bracelet body 5 comprises a first strand 31, the second strand 32 and a connecting portion 33.
    The first strand 31équipe the box body 4, on one side in the predetermined direction D. In other words, the portion of the bracelet body 5 which passes through the first passage 15 and which extends to a side along the predetermined direction D is the first strand 31.
    In the first strand 31, the robust element 21est longer than the aesthetic element 22. A distal end 31a of the first strand 31est provided with a retaining portion 35 in the form of a loop obtained by folding outwards the sturdy element 21 located inside. One end of the sturdy element 21rabattu is linked to the sturdy element 21interior by covering this sturdy inner element 21. The end of the sturdy element 21refolded is linked to a corresponding end of the aesthetic element 22. Therefore, in the distal end 31a of the first strand 31, a portion of the robust element 21 and a connecting portion 34 between the robust element 21 and the aesthetic element 22 are located on the outer side.
    The free passers 19 are provided on the first strand 31. Each free pass 19 has an annular shape. In the present embodiment, two free loops are provided. As shown in Figure 1, the second strand 32 passes through the free loops in the state to be worn.
    One or each of the free loops 19 can be a fixed loop which is attached to the first strand 31.
    The second strand 32 is provided on the other side of the box body 4. In other words, a portion of the bracelet body 5 which passes through the second passage 18 and which extends towards the other side in the direction predetermined D is the second strand 32.
    The second strand 32 includes a tip 36, an annular portion 37 (closed loop portion) and holes for buckle barb 38.
    The tip 36 is provided at the distal end 32a of the second strand 32. The tip 36 covers both the robust element 21 and the aesthetic element 22 at the distal end 32a of the second strand 32. The tip 36 closes the distal end 32a of the second strand 32. The tip 36 is removable and can be removed from the second strand 32.
    The annular portion 37 has the shape of a ring (closed loop). In the present embodiment, substantially all of the second strand 32 extending from the second passage 18 to the other side in the predetermined direction D is the annular portion 37. The annular portion 37 is formed by bonding the two ends of the The robust element 21 and the aesthetic element 22 within the second strand 32. In particular, the annular portion 37 is an annular portion capable of delimiting a space between the robust element 21 and the aesthetic element 22 by means of a closure at the distal ends. of the robust element 21 and of the aesthetic element 22 by means of the end piece 36, and with a closure at the level of the proximal ends of the robust element 21 and of the aesthetic element 22 by means of the second elbow 12.
    The buckle barb holes 38 are provided in the robust element 21placed on the inner side of the annular portion 37. The buckle barb holes 38 penetrate the robust element 21 in the direction of the thickness of this robust element 21. Several buckle barb holes 38 are provided at regular intervals along a longitudinal direction of the sturdy member 21.
    The connecting portion 33 is provided between the first bend 11 and the second bend 12. The connecting portion 33 extends in the predetermined direction D. The connecting portion 33 is provided along the lower surface 4b of the box body 4 A proximal end 31b (end of the base) of the first strand 31 is linked to one end of the connection portion 12, on the side of the first bend 11 according to the direction of extension. A proximal end 32b (end of the base) of the second strand 32est linked to one end of the connection portion 33, on the side of the second elbow 12 according to the direction of extension. Consequently, the bracelet body 5 is provided in one piece by means of the connection of the proximal end 31b of the first strand 31 and of the proximal end 32b of the second strand 32 by the connecting portion 33. The lengths of the first strand 31 and of the second strand 32 by sliding the bracelet body 5 thus formed, between the first bend 11 and the second bend 12.
    Structure forming a timepiece clasp
    The timepiece clasp structure 9connects the first strand 31 and the second strand 32. The timepiece clasp structure 9 comprises a clasp body 6 (which may simply be referred to as a clasp 6 in the following), a locking device 7, as well as a locking bar 8.
    Clasp
    FIG. 4 is a side view of the timepiece 1 according to the first embodiment, in a state with the clasp unlocked (clasp open). FIG. 5 is a perspective view of the locking bar 8 according to the first embodiment.
    As shown in Figure 4, the clasp body 6 is provided at the distal end 31a of the first strand 31. The clasp body 6 is made of a metallic material such as aluminum alloy or stainless steel. . The clasp body 6 is a clasp 6 commonly referred to as a three-hinged deployant clasp and comprises a lower plate 41 and an upper plate 42 pivotally articulated to the lower plate 41. The clasp body 6 is provided between the first strand 31 and a buckle 50 and a pin buckle. loop 51, which will be described later. By opening and closing the clasp body 6, one can put the timepiece 1 on the arm of a user and remove it.
    [0050] The lower plate 41 has a strap shape which is curved so as to protrude outwardly along the curve around the arm. A bracelet attachment shaft 43 (corresponding to what is called the other shaft in the appended claims) is provided at one end of the bottom plate 41. Both ends of the bracelet attachment shaft 43 are carried by a pair of support walls 56 (see Fig. 5) each provided on one side of the bottom plate 41 in the direction of the width. The bracelet attachment shaft 43 passes into the retaining portion 35 of the first strand 31. Therefore, the bottom plate 41 is attached to the first strand, pivotably around the bracelet attachment shaft 43. As shown in the figure. Figure 5, pivots 55 are provided at both ends of the bracelet attachment shaft 43. The pivots 55 are positioned coaxially with the bracelet attachment shaft 43. The pivots 55 protrude outward in the direction of the width, from the two support walls 56.
    Returning to Figure 4. A pivot shaft 44est provided at the other end of the lower plate 41. The axial direction of the pivot shaft 44est substantially parallel to the axial direction of the attachment shaft. bracelet 43.
    A locking projection 45est provided between the bracelet attachment shaft 43and the pivot shaft 44 according to the longitudinal direction of the lower plate 41. The locking projection 45est projects outwardly. The locking projection 45est disposed on the side of the bracelet attachment shaft 43, relative to the central portion of the lower plate 41, in the longitudinal direction. According to the direction of the width, the locking projection 45 is positioned at the level of the central portion of the lower plate 41.
    The upper plate 42 has the shape of a curved strap with a curvature equivalent to that of the lower plate 41. One end of the upper plate 42 is pivotally articulated to the pivot shaft 44 of the lower plate 41. The upper plate 42 comprises a locking hole 46, a fixed shaft 47 (corresponding to what is referred to as "a shaft" or "the shaft" in the appended claims), as well as release buttons 48 (corresponding to what is referred to as the " release part “in the appended claims).
    The locking hole 46est dug in the direction of the thickness of the upper plate 42, from a surface of the upper plate 42, namely the surface facing inward (the surface facing the side of the arm). The locking hole 46 is provided at a position corresponding to the locking protrusion 45 of the lower plate 41 when the upper plate 42 is pivoted and folded down relative to the lower plate 41 (triple-fold state, see Fig. 3). The locking protrusion 45 locks to the locking hole 46.
    The fixed shaft 47est provided at the other end of the upper plate 42. The axial direction of the fixed shaft 47est substantially parallel to the axial direction of the pivot shaft 44. The fixed shaft 47 moves towards or in the opposite direction to the bracelet attachment shaft 43 of the bottom plate 41 depending on whether the clasp body 6 undergoes a closing operation or an opening operation by locking the locking hole 46 and the locking protrusion 45 in the locked position or by unlocking the locking hole 46 and the locking projection 45 out of the locked position.
    The release buttons 48 are provided on both sides of the upper plate 42 (at its two ends in the direction of the width). The release buttons 48 are pushed inward to release the lock between the locking hole 46 and the locking protrusion 45.
    Locking device
    The locking device 7est provided on the distal end 31a of the first strand 31, with the interposition of the clasp body 6entre. In the present embodiment, the locking device 7 is, for example, a locking yoke made of a metallic material. The locking device 7 comprises the buckle 50 and the buckle tongue 51.
    The loop 50est pivotally articulated to the fixed shaft 47provided at the other end of the upper plate 42. The loop 50is a U-shaped metal element articulated at both ends of the fixed shaft 47. A part of the annular portion 37 of the second strand is to pass through the annular space delimited by the loop 50 and the fixed shaft 47. In particular, the robust element 21 located on the inner side of the annular portion 37 of the second strand 32 is to pass through the annular space formed by the loop 50 and by the fixed shaft 47. The loop 50 is pivotable relative to the fixed shaft 47 so as to be movable along the longitudinal direction of the robust element 21, in the annular portion 37 .
    The buckle barb 51est pivotally articulated to the fixed shaft 47. The buckle barb 51est provided at the level of the central portion of the buckle 50, in the direction of the width. The buckle barb 51 is to be inserted into any buckle barb hole 38 among the buckle barb holes 38 formed in the sturdy element 21 of the second strand 32. In this way, the annular portion 37 of the second strand 32 passes through the buckle. 50, while the buckle barb 51 passes through a buckle barb hole 38 of the second strand 32, and the distal end of the inserted buckle barb 51 comes into contact with the buckle 50. In this way, the first strand 31 and the second strand 32 are attached. Therefore, the buckle 50 and the buckle barb 51 are positioned along the second strand 32. Further, the buckle 50 and the buckle barb 51 are attached to the sturdy member 21 which belongs to the annular portion 37 of the second strand 32.
    Lock bar
    [0060] FIG. 6 is a side view of the locking bar 8 and of the clasp body 6 in a state with the clasp unlocked. Fig. 7 is a side view showing an unlocked state of the locking bar 8 according to the first embodiment. Fig. 8 is a side view showing a locked state of the locking bar 8 according to the first embodiment.
    As shown in Figures 5 and 6, the locking bar 8 is provided at the other end of the upper plate 42du clasp body 6. The locking bar 8 is hinged to the upper plate 42 to be pivoted around the The fixed shaft 47. The locking bar 8 prevents unlocking of the clasp body 6. The locking bar 6 comprises side walls 61, a top wall 62, and locking portions 63.
    The side walls 61 are provided on both sides of the fixed shaft 47. The side walls 61 are pivotally hinged around the fixed shaft 47. The side walls 61 are located on the outer sides of the loop 50 depending on the direction of the width. As shown in FIG. 6, each side wall 61 has a shape which tapers and whose width decreases as one goes from its proximal end articulated to the fixed shaft 47, towards its distal end and when viewed from one side of the wall. timepiece 1.
    As shown in Figure 5, the upper wall 62est provided between the two side walls 61. The upper wall 62 connects the distal ends of the two side walls 61.
    An annular space surrounded (delimited) by the fixed shaft 47, the two side walls 61 and the upper wall 62forms an insertion passage 64. The second strand 32 is to pass through the insertion passage 64.
    A locking portion 63équip each side wall 61. The locking portion 63penetrates the side wall 61 according to the direction of the width. The locking portion 63est provided at the level of a portion of the side wall 61, namely a substantially central portion in the longitudinal direction. The locking portion 63 locks onto a pivot 55 of the bottom plate 41 (corresponding to what is referred to as the "locking portion" in the appended claims). When the locking portion 63 and the pivot 55 of the bottom plate 41 are locked to each other, a separation between the bracelet attachment shaft 43 and the fixed shaft 47 in the clasp body 6 is prevented. Therefore, unlocking of the clasp body 6 is prevented.
    By pivoting around the fixed shaft 47, the locking bar 8 thus constituted can be moved between the unlocked state as shown in Figure 7, in which the clasp body 6 can be unlocked, and the locked state as shown in Figure 8, in which it is impossible for the clasp body 6 to be unlocked. In particular, in the locked state illustrated in FIG. 8, the locking bar 8 acts as a fixed loop which prevents floating of the second strand 32 by means of a locking of the locking portions 63 to the pivots 55 in a state where the second strand 32 passes. in the insertion passage 64.
    Movement
    As shown in Figure 2, the movement 3 is housed in the box body 4. The movement 3 is a mechanical movement of a timepiece which comprises, for example, a dial for the display of information such as the hour, a seconds hand, a minute hand and an hour hand, gears for driving the hands, and a spring (not shown). Movement 3 can be an electronic timepiece movement, which includes, for example, a liquid crystal display, a control unit and a battery.
    Putting the timepiece
    We will now describe the arming of the timepiece 1.
    As a preliminary step to wearing the timepiece, as shown in Figure 4, the clasp body 6 is first passed from its locked state to its state with the clasp unlocked and the buckle barb is removed. 51of the buckle pin hole 38. At this point, the user passes his arm inside the timepiece 1. When the arm has been passed, as shown in FIG. 3, the upper plate 42 and the lower plate 41 of the clasp body 6 are then pivoted towards each other, and locked to each other, so that the half-set state is reached. In the half-put state, the length of the bracelet body 5 is further adjusted so as to match the circumference of the arm. In particular, the strap body 5 is fitted to the arm by inserting the buckle pin 51 into the appropriate buckle pin hole 38.
    When the length adjustment of the bracelet body 5est completed, as shown in Figure 8, the locking bar 8 is rotated to lock the locking portions 63de the locking bar 8 and the pivots 55de the lower plate 41. The second strand 32 then passes into the insertion passage 64 of the locking bar 8. Finally, as shown in Figure 1, a remaining portion of the second strand 32 is located closer to the distal end 32a of the second strand 32 than of the second strand 32. loop 50 is passed through the free passers-by 19. Consequently, the arming is complete. In the state in which the arming is complete, the aesthetic element 22 masks the connecting portion 34 and part of the distal end 31a of the first strand 31 where the robust element 21 is exposed on the outside.
    When it is removed from the arm, the timepiece 1est removed from the arm by loosening the bracelet body 5 during a reverse procedure to that for the arming described above. Therefore, a description of the removal of the timepiece 1 from the arm is omitted.
    Functions and Effects
    We will now describe the functions and effects of the structure forming a timepiece clasp 9, of the timepiece bracelet 2 and of the timepiece 1 described above.
    According to the structure forming a timepiece clasp 9in the present embodiment, since the locking bar 8 which prevents release of the clasp body 6 is provided in the structure forming a timepiece clasp 9 comprising the buckle 50, the buckle tongue 51 and the clasp body 6, it is possible to prevent the clasp body 6 from being released (unlocked) unexpectedly from the locked state, against the intention of the clasp. user. Therefore, it is possible to maintain a state for port which is stable in use.
    [0074] Therefore, it is possible to provide a timepiece clasp structure 9 which prevents a malfunction from occurring in which the clasp body 6 is unexpectedly unlocked.
    The locking bar 8 is able to pivot around the fixed shaft 47 so as to be movable between the locked state and the unlocked state. Therefore, it is possible to effectively prevent unlocking of the clasp body 6, by the lock bar 8 in the locked state, and easily switch the lock bar 8 into the unlocked state when it is desired to unlock the lock. clasp body 6. Therefore, it is possible to obtain a more secure and convenient timepiece bracelet for the user.
    The locking bar 8 includes the insertion passage 64 surrounded by the side walls 61 and the upper wall 62, and the second strand is to pass through this insertion passage 64. Therefore, the locking bar can be used as a fixed loop. When the locking bar 8 is used as a fixed loop, fluttering of the second strand can be prevented and, since it is not necessary to provide a fixed loop separately, the number of parts can be reduced. Further, when the locking bar 8 is used as a fixed loop, the second strand is held by pressing the locking bar 8, instead of passing through a fixed loop as in the prior art. Therefore, compared to the case of the prior art where a fixed loop is employed, when the end of the second strand 32 passes through the fixed loop, it is possible to prevent wrinkles from forming in the leather of the bracelet.
    The locking bar 8 is articulated to a shaft (the fixed shaft 47) which is one of two shafts moving one towards or in the direction opposite to the other (in approach-away one relative to the other) depending on whether an opening or closing of the clasp body 6 takes place. The locking portions 63 are locked to the pivots 55 of the other shaft (the bracelet attachment shaft 43) among these two shafts. In this way, since the locking bar 8 retains the two shafts 43 and 47 of the clasp body 6 by the fixed shaft 47 and the locking portions 63, it is possible to prevent the two shafts 43 and 47 from moving away from one another. 'other. Therefore, the clasp body 6 can be prevented from unlocking. Therefore, it is possible to provide a locking mechanism which mechanically prevents unlocking of the clasp body 6.
    According to the timepiece bracelet 2 in the present embodiment, the first strand 31 and the second strand 32 are connected to each other via the timepiece clasp structure 9 described in more high. Therefore, by preventing the clasp body 6 from being unexpectedly unlocked, it is possible to prevent the first strand 31 and the second strand 32 from being unexpectedly disconnected from each other. Therefore, it is possible to provide a timepiece bracelet 2 which prevents a malfunction from occurring in which the first strand 31 and the second strand 32 are unexpectedly disconnected from each other.
    According to the timepiece 1 according to the present embodiment, the timepiece can be used as a wristwatch by housing the movement 3 in the case body 4. Since the timepiece 1 includes the watch strap watchmaking 2described above, it can be easy to use, with its length which can be adjusted by means of the locking device 7 (buckle 50 and pin buckle 51), while preventing unexpected unlocking of the clasp body 6. In particular, the timepiece 1 can be protected against the fact of falling from the arm due to an unexpected unlocking of the clasp body 6 and is thus suitable for situations requiring safety such as during use by a ( e) diver.
    [0080] Consequently, it is possible to provide a high performance timepiece 1 provided with the timepiece strap 2 which protects against the occurrence of a malfunction in which the clasp 6 is unexpectedly unlocked and in which the connection between the first strand 31 and the second strand 32 is unexpectedly broken.
    Second embodiment
    Now, a second embodiment of the invention will be described. A timepiece clasp structure 29 according to the second embodiment differs from the timepiece clasp structure 9 according to the first embodiment by the arrangement of the locking bar. A locking bar 208 of the timepiece clasp structure 29 according to the second embodiment will be described below.
    FIG. 9 is a perspective view of the locking bar 208 according to the second embodiment. Fig. 10 is a side view of the locking bar 208 according to the second embodiment. Fig. 11 is a rear view of the locking bar 208 according to the second embodiment as seen from the outside (from the side opposite the arm). In the present embodiment, unlocking of the clasp body 6 can be prevented by making the release button 48 non-operable, by means of the locking bar 208.
    As shown in Figure 9, the locking bar 208 in the present embodiment is provided at the other end of the upper plate 42 of the clasp body 6, and is articulated so as to be able to pivot around the shaft fixed 47, as in the first embodiment described above. Similar to the locking bar 8 of the first embodiment, the locking bar 208 of the present embodiment includes side walls 261, a top wall 262, and an insertion passage 264.
    In the present embodiment, the locking portions 263 of the locking bar 208 are provided at the distal ends of the side walls 261. Therefore, pins 255 (corresponding to what is called "locking portion" in the appended claims ) for locking the locking portions 263 are not coaxial with the bracelet attachment shaft 43 (see figure 3), but are provided on the top plate 42 of the clasp body 6 so as to protrude from the two side surfaces of this upper plate 42, in the direction of the width, outwards in the direction of the width.
    As shown in Figure 10, a notch 266est provided in each side wall 261, from a central portion thereof in the longitudinal direction, on the side of the distal end. The notch 266 is cut from the inside (from the arm side), towards the outside, when looking from the side. When the lock bar 208 is rotated around the stationary shaft 47, a finger is hooked in the notch 266. Therefore, the lock bar 208 can be easily rotated. In the state that the lock portion 263 is locked. at the pin 255, a portion of each side wall 261 is located between the notch 266 and the fixed shaft 47 according to the longitudinal direction covers one of the release buttons 48du clasp body 6, on the outer side in the direction of the width.
    As shown in Figure 11, the locking bar 208 thus made ensures the function of a fixed loop which prevents floating of the second strand 32 by locking the locking potions 263 to the pawns 255 in a state where the second strand 32 passes into the insertion passage 264.
    According to the present embodiment, since the locking bar 208 covers the release buttons 48 of the clasp body 6 with respect to the outside in the width direction, it is possible to prevent an external force from acting on it. the release buttons 48. Therefore, since the release buttons 48 are not operable in use, it is possible to prevent the release buttons 48 from being accidentally operated and the clasp body 6 from unexpectedly unlocking. Therefore, it is possible to provide a locking mechanism which prevents unlocking of the clasp body 6 by preventing accidental actuation of the release buttons 48.
    Variant of the second embodiment
    A variant of the second embodiment of the invention will now be described. FIG. 12 is a perspective view of the structure forming a timepiece clasp 39 according to the variant of the second embodiment. The variant differs from the second embodiment in that the buckle 50 according to the second embodiment is omitted and in that the locking bar 208 also fulfills the function of a buckle. Therefore, in the present variant, the locking device 307 consists of the locking bar 208 and the buckle tongue 351.
    As described above, in the present embodiment, the locking bar 208 also fulfills the function of a loop. Therefore, the side walls 261 and the top wall 262 of the locking bar 206 have a function similar to a buckle. Further, the buckle barb 351 contacts the top wall 351 of the locking bar 208. The buckle barb 351 may contact the outer surface 262a of the top wall 262 (Figure 12) or may contact the outer surface 262a of the top wall 262 (Figure 12). with the inner surface opposite to this outer surface 262a.
    According to the variant of the second embodiment, since the locking bar 208 includes the function of a loop, a loop is unnecessary and the number of parts can be reduced while obtaining the same effect as with the second embodiment. realization described above. In other words, by locking the locking portions 263 of the locking bar 208 on the pins 255 of the clasp body 6, it is possible to prevent the release buttons 48 of the clasp body 6 from being accidentally actuated and the clasp body. 6or unlocked unexpectedly.
    The technical scope of the present invention is not limited to the embodiments described above and various modifications can be made without departing from the spirit of the invention.
    For example, in the first embodiment, the fixed shaft 47 serves as the pivot axis of the locking bar 8, but the bracelet attachment shaft 43 can serve as the pivot axis of the locking bar. locking 8. In this case, the locking portions 63 of the locking bar 8 are preferably able to lock onto the fixed shaft 47.
    In the second embodiment, the fixed shaft 47 serves as the pivot axis of the locking bar 208, but the bracelet attachment shaft 43 can serve as the pivot axis of the locking bar 208. In this case, the release buttons 48 are covered by the side walls 61 of the locking bar 208 and the locking portions 63 are provided to lock on the pins 255, so that a separation of the lower plate 41 and the upper plate 42 can be. prevented. Therefore, a double locking function can be provided.
    In the variant of the second embodiment and in the second embodiment, the arrangement described is that in which the locking portions 263 are provided at the end opposite to the fixed shaft 47 with respect to the notches 266, but the position of the locking portion is not limited to the embodiments described above. The locking portion can be provided, for example, closer to the fixed shaft 47 than to the notch 266.
    In addition, in the variant of the second embodiment and in the second embodiment, a projection can be provided as a locking portion of the locking bar 208. In this case, instead of being provided with the pins 255, the clasp body 6 is provided with a recess or a hole in which the locking portion of the projection can be locked.
    In the present embodiment, an example has been described in which the clasp 6 is a folding clasp (with three joints), but the invention is not limited to this clasp. The locking bars 8 and 208 can be applied, for example, to a double folding clasp.
    The first strand 31 and the second strand 32 can be independent of one another (disjoint). In other words, the proximal end 31b of the first strand 31 can be attached to the first bend 11, while the proximal end of the second strand 32 can be attached to the second bend 12.
    The box may have a shape other than a circular shape, for example a rectangular shape, an elliptical shape or a polygonal shape when viewed from the front side.
    The materials of the robust element 21 and of the aesthetic element 22 are not limited to the materials of the embodiments described above.
    [0100] In the first and second embodiments described above, the constitution described is that in which the bracelet body 5 comprises the double structure (structure with lining) with the robust element 21 and the aesthetic element 22, but the constitution of the bracelet body is not limited to this. FIG. 13 is a side view of the timepiece 1 according to another embodiment. For example, as shown in Fig. 13, the bracelet body 405 may be a first strand 431 formed of a single bracelet member with a proximal end 431b attached to the box body 4 and a distal end 431a attached to the case. timepiece clasp structure 9, and by a second strand 432 formed of a single bracelet element, a proximal end 432b of which is attached to the case body 4. In other words, the timepiece clasp structure horology 9described above can equip a timepiece 401 comprising a timepiece bracelet 402 having an unlined structure (with one layer). Although this is not shown, the timepiece clasp structures 29 and 39 can also equip a timepiece comprising the timepiece bracelet 402 having the unlined structure.
    [0101] In the present embodiment, the configuration described is that in which the locking devices 7 and 307 are made of metal, but the invention is not limited to this. In other words, the locking devices 7 and 307 can be elements made of a material other than a metallic material.
    [0102] In addition, it is possible to suitably replace components in the embodiments described above with known components without departing from the spirit of the invention, while the modifications mentioned above can be combined d 'a way that fits.
    权利要求:
    Claims (6)
    [1]
    1. Structure forming a timepiece clasp, comprising:a locking device (7; 307) configured to equip a first strand (31; 431) and to connect this first strand and a second strand (32; 432);a clasp body (6) configured to be provided between the locking device and the first strand, and to open and close; anda locking bar (8; 208) configured to prevent unlocking of the clasp body.
    [2]
    2. Structure forming a timepiece clasp according to claim 1, whereinlock bar includesa pivot axis provided coaxial with a shaft (47) of the clasp body and the locking device,two side walls (61; 261) arranged to pivot about the pivot axis,a top wall (62; 262) which connects the two side walls, andan insertion passage (64; 264) which is surrounded by the side walls and by the top wall and into which the second strand is to be inserted, andthe locking bar being movable, by pivoting about the pivot axis, between a locked state in which unlocking of the clasp body is prevented and an unlocked state in which the clasp body can be unlocked.
    [3]
    3. A timepiece clasp structure according to claim 2, whereinthe clasp body includes two shafts (43, 47) configured to move towards or in the opposite direction to each other depending on the opening and closing operation, andlock bar includesthe pivot axis provided coaxial with one of the two shafts, anda locking portion (63; 263) configured to be locked to a pivot (55) on the other of the two shafts.
    [4]
    4. Timepiece clasp structure according to claim 2, whereinclasp body includesa bottom plate (41) configured to be connected to the first strand,an upper plate (42) configured to be connected to the second strand and to be locked to the lower plate,a release portion (48) configured to release a lock between the bottom plate and the top plate,the locking bar comprising a locking portion (263) configured to be locked to a locking portion (255) provided closer to the release portion than to the pivot axis, andwhen the locking portion is locked to the locking portion, the locking bar covers the release portion.
    [5]
    5. Timepiece bracelet, comprising:a timepiece clasp structure (9; 29; 39) according to one of claims 1 to 4; andthe first strand and the second strand.
    [6]
    6. Timepiece, comprising:a timepiece bracelet (2; 402) according to claim 5;a box body; anda movement housed in the box body.
    类似技术:
    公开号 | 公开日 | 专利标题
    EP1790247B1|2008-07-23|Device for adjusting the length of a wristband, wristband having such a device, and watch provided with such a wristband
    CH679902A|1992-05-15|
    EP1836917B1|2008-03-26|Length adjustable wristband
    FR2946159A1|2010-12-03|DEVICE FOR ATTACHING AND ADJUSTING A WATCH BRACELET
    EP2322997B1|2015-07-22|Portable object with an interchangeable bracelet
    EP0131293B1|1986-10-29|Releasable hinge for a bracelet
    CH717135A2|2021-08-16|Structure forming a timepiece clasp, a timepiece bracelet and a timepiece.
    EP0865742B1|2003-06-11|Foldable fastener for a bracelet
    EP1404190B1|2006-10-11|Articulated open ring
    EP3565431A1|2019-11-13|Connecting device for bracelet
    EP0272515A1|1988-06-29|Battery cover for a watch case
    EP1839515A1|2007-10-03|Device for fixing a bracelet to a casing
    EP1388028B1|2011-08-10|Timepiece provided with interchangeable dial
    FR2694484A1|1994-02-11|Mounting appts for fixing wrist-watch onto flat strap - uses latched connecting pin free to rotate at one end mounted in body of element
    EP0999765B1|2004-06-09|Unfolding clasp for wrist band
    FR3004898A1|2014-10-31|DEVICE FOR ASSEMBLING A WATCH ON THE WRIST OF A BEARER
    CH717134A2|2021-08-16|Bracelet and a timepiece.
    CH697850B1|2009-02-27|portable device with lid opening / closing and middle structure for clockwork.
    EP1971236A1|2008-09-24|Extensible device for watch strap
    CH702308B1|2018-11-15|Portable object having an interchangeable strap.
    EP0158152B1|1988-06-01|Bracelet fastener with double security means
    EP3753439A1|2020-12-23|Removable device for mechanical link between a bracelet and a mechanical part
    EP1859325B1|2009-01-07|Watch
    FR2944678A1|2010-10-29|Extensible clasp for bracelet of wrist-watch strap or necklace, has closing elements equipped with coupling units, where end of cable is rolled on pulley positioned in one of closing elements
    EP2120625A1|2009-11-25|Watch bracelet
    同族专利:
    公开号 | 公开日
    JP2021126165A|2021-09-02|
    CN113243632A|2021-08-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    JP2020020899A|JP2021126165A|2020-02-10|2020-02-10|Clasp structure for watch, band for watch, and watch|
    [返回顶部]