• 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 timepiece is provided with a housing (1) which comprises a middle part (2), a pusher (4) and a locking device of this pusher. The pusher is arranged movable in translation along an actuating axis (20). The locking device comprises a locking member (8) movable in translation along the axis of actuation and capable of being displaced between a locking position and an unlocking position in which the pusher (4) is respectively locked and free in translation. The locking device further comprises a control member (10) movable in a plane parallel to the axis of actuation (20) between a first position and a corresponding second position, for the locking member (8), respectively the locking and unlocking positions, this control member (10) being arranged to cause the displacement of the locking member (8) between its locking and unlocking positions. According to a preferred embodiment the control member (10) is mounted between the middle part (2) and a bezel (11) rotatably.
    公开号:CH713834A2
    申请号:CH00593/18
    申请日:2018-05-14
    公开日:2018-11-30
    发明作者:Loetscher Philippe；Kissling Gregory
    申请人:Omega Sa；
    IPC主号:
    专利说明:

    Description
    TECHNICAL AREA
    The present invention relates to the field of watchmaking. It relates more particularly to a timepiece comprising a locking device for a push button actuable by a user of the timepiece, in particular a push button.
    PRIOR ART
    It is known practice to produce timepieces comprising a locking device which makes it possible to deactivate a push button. These devices are intended to prevent accidental actuation of the push button or, for diving watches, to prevent actuation of the push button under the effect of external pressure.
    We know many requests describing such a locking device. For example, application CH 678 138 proposes a screwed pusher which can be immobilized by a threaded ring, coaxial with the pusher. The threaded ring is targeted on the pendant of the pusher and can come to bear under the head of the pusher to prevent its actuation. Application US 9 105 413 describes a variant of this device.
    The application CH 707 595 presents a lockable watch pusher using a rotary ring coaxial with the pusher and whose rotation causes the axial displacement of a sleeve capable of coming to bear under the head of the pusher.
    However, these locking devices have several drawbacks. As the pusher is surrounded by a coaxial control ring which must be able to be turned by a user and therefore come out sufficiently radially beyond the peripheral surface of the middle part of the watch case, this pusher must be prominent while having a short stroke , which makes it more difficult and less precise to operate. In order for the stroke of the pusher to be lengthened so as to have a usual length, the plunger rod must be lengthened so that the head of the pusher is then relatively far from the middle, which disadvantageously changes the aesthetics of the watch. Indeed, the control ring must have a certain height outside the middle and a certain diameter, normally greater than that of the head of the pusher, to be easily manipulated. As a result, the push buttons provided with such a locking device have a massive appearance. Furthermore, the screw pitch used to transform the rotational movement into translation must be small enough so that the transformation is not accidentally reversible, that is to say that the friction is sufficient to oppose a untimely unscrewing. Thus, a significant handling time, due to the large number of rotations of the control ring, is necessary to switch the device between its locked and unlocked states. For watches comprising several pushers as is generally the case for those fitted with a chronograph, the locking operation can thus prove to be particularly tedious since it must be carried out successively for each of the pushers.
    There are also known pusher locking devices which provide a solution to the above problem. Thus, document US 2010/014 233 proposes to block the actuation of a pusher by a vertically movable frame, perpendicular to the axis of actuation of the pusher. This frame defines an upper stop for the pusher, which is placed behind the head of the pusher according to the position of a rotating bezel which serves as a control member of the locking device. The frame and therefore the stop are arranged under the rotating bezel so that they can be actuated directly by a lower surface of this rotating bezel. This embodiment has a first drawback in that the rear part of the pusher head must be inserted into the watch case when the pusher is in its rest position (pusher not actuated). A second drawback comes from the fact that the pusher is locked by a small stop acting only against the upper part of the head of the pusher. A third drawback stems from the fact that the locking device is bulky, in particular the frame which moves vertically in the middle part, which must have a recess for this purpose. In addition, the vertical movement of the frame requires a relatively high case to allow this movement inside this case.
    Also known from document EP 1 582 945, fig. 7, 8 and 9, a device for locking a pusher in which a tube and a piston passing through this tube are integral with the head of the pusher, the tube being fixed to this head and the piston being arranged movable in the tube between two vertical positions, that is to say between two positions along an axis perpendicular to the axis of actuation of the pusher. A rotating bezel has a groove in its lower surface, one end of the piston being housed in this groove. This groove has a portion (45) with a depth which varies so as to allow actuation of the piston in the tube between two extreme positions which respectively define a locking position and an unlocking position of the pusher. This realization with small parts difficult to assemble is complex. As the tube and the piston are integral with the pusher moving along the actuation axis, it is necessary to provide a radial recess in the bezel and at the top of the relatively large middle, so that the piston and its tube can be moved radially with the pusher in the unlocked position. The system is therefore bulky. This is further deteriorated by the fact that the piston has a vertical movement to lock the pusher, which requires a relatively large height of the housing above the pusher. In addition, incorporating the pusher with the piston into the box is difficult. Indeed, the rotating bezel and the fixed bezel must be fitted after having brought the plunger fitted with its locking device, making sure to keep the piston in the vertical orientation provided. In particular, the pusher itself must be assembled before or simultaneously with the two aforementioned glasses and it is not possible to change it afterwards without first disassembling them. In conclusion, it can be seen that this embodiment of the prior art has several drawbacks.
    SUMMARY OF THE INVENTION
    The present invention aims to remedy the various drawbacks of the prior art by providing a timepiece provided with a locking device of at least one pusher which is less bulky, more discreet and easier to use.
    To this end, the present invention relates to a timepiece comprising a housing, a pusher mounted in a middle part of the housing and a locking device capable of locking the pusher, this pusher being arranged so as to be able to undergo translation. along an axis of actuation of the pusher by a user. The locking device comprises a locking member and a control member arranged to control the movement of the locking member between a locking position and an unlocking position in which the pusher is respectively locked and free in translation. The control member extends in a general plane parallel to said actuation axis and is arranged movable in this general plane between a first position and a corresponding second position, for the blocking member driven by the control member, respectively in the locking and unlocking positions. According to the invention, the blocking member is arranged movable in translation along the actuation axis and capable of being moved by the control member along this actuation axis between the locking position, where it forms an axial stop for the pusher, and the unlocking position located behind the locking position. To do this, the control member comprises means for driving the blocking member according to the actuation axis.
    According to an advantageous embodiment, the timepiece comprises a bezel and the control member is formed by an intermediate ring mounted between the middle part and the bezel, this ring being movable in rotation about a substantially axis perpendicular to the actuation axis.
    According to another advantageous embodiment, the timepiece comprises a rotating bezel forming the control member.
    According to a preferred embodiment, the locking member is a cylindrical sleeve surrounding the pusher and arranged to move along the axis of actuation of the pusher.
    According to a particular embodiment, the blocking member is a slide arranged movable along the axis of actuation of the pusher.
    According to another advantageous embodiment, the pusher has a head and the blocking member is capable of coming to position, to lock it, at a short distance from this head or in abutment against it.
    According to another advantageous embodiment, the control member has a radial positioning cam of the blocking member cooperating with a follower means that includes this blocking member.
    According to an advantageous variant, the timepiece comprises an elastic return means tending to keep the follower means in contact with the cam.
    According to another advantageous variant, the cam is formed by a groove and the follower means is a lug inserted in this groove.
    According to a particular variant, the cam is formed by a rib / rail protruding under the control member and the follower means is a notch machined in the blocking member.
    According to another advantageous variant, the locking device comprises a visual means facilitating the recognition of the position of the locking member.
    According to another advantageous variant, the locking device comprises a positioning means provided for holding the control member in its first and second positions which thus define two stable positions.
    According to a particular variant, each of the first and second positions of the canceled member is ensured by a hard point, for example formed by a ball mounted on an elastic element.
    BRIEF DESCRIPTION OF THE FIGURES
    Other details of the invention will appear on reading the following description, made with reference to the accompanying drawings in which: FIGS. 1 and 2 represent a cross-sectional view and a sectional view along line A - A of a first embodiment of a timepiece according to the invention, in which the locking device is in its position locking; fig. 3 and 4 are sectional views, similar to those of FIGS. 1 and 2, in which the locking device is in its unlocked position; fig. 5 to 9 show various sections of a second embodiment of a timepiece according to the invention, FIGS. 5 and 7 showing the locking device in the locking position while FIGS. 6 and 9 show it in the unlocked position and FIG. 8 in the intermediate position.
    DETAILED DESCRIPTION
    Referring to Figs. 1 to 4, a first embodiment of the invention will be described below. The figures represent partial sectional views of a timepiece revealing a push button arranged in the middle part 2 of the case 1 and its locking device. The push button notably forms a control member of a chronograph mechanism. This push-button is made up of a pendant 3, screwed into a thread that includes the middle part 2, and a push-button 4 extending partially outside the timepiece in order to be actuable by a user. . The pusher 4 has a head 5 and a rod 6 capable of sliding in an opening that has the pendant 3 along an actuation axis 20 passing through the middle parallel to the general plane of the case. A first spring 7 tends to keep the pusher 4 in the distal position with reference to the middle part 2 (as shown in all of the figures).
    The timepiece includes a locking device comprising a locking member 8 movable in translation along the actuation axis 20. In a first embodiment presented in FIGS. 1 to 4, the locking member 8 is formed by a cylindrical socket 8a surrounding the pusher 4, this socket having an internal shoulder defining a stop 12 for the head 5 of the pusher at least when the locking device is in its position locking.
    The locking device also includes a control member 10 mounted mobile in rotation with reference to the middle part 2, about an axis perpendicular to the general plane of the housing 1, and therefore perpendicular to the actuation axis 20. Generally, the control member extends in the general plane of the housing which is substantially parallel to the actuation axis and it is arranged movable in this general plane between a first position and a second position corresponding respectively to the positions for locking and unlocking the locking device. Preferably, the control member 10 extends at least partially outside the housing so as to be easily actuable by a user *. In the first embodiment presented in FIGS. 1 to 4, the control member is a rotating ring 10 mounted between the middle part 2 and a bezel 11 that comprises the housing 1.
    The operation of the locking mechanism will now be described in detail. The locking member 8 is capable of being moved between a locking position shown in FIGS. 1 and 2 and an unlocking position shown in FIGS. 3 and 4. In the locking position, a stop 12 of the blocking member 8 is placed directly under the head 5 of the pusher 4 in order to substantially block the pusher 4 in translation and thus prevent its actuation to effect the function associated with this button. In the unlocked position, the blocking member has been translated along the actuation axis so as to release the pusher 4 in translation and to make it operational.
    The movement of the locking member between its locking position and its unlocking position is controlled by the control member 10 which is kinematically linked to the locking member 8. To do this, the command 10 includes drive means cooperating with a follower means that includes the locking member 8. In the first embodiment, the means of ^ r ^ ttr ^ ir ^ n ^ r ^ e ^ r ^ t are formed by a cam 13a and an elastic return means 15 while the follower means is formed by a lug 14a coming into contact with the cam 13a and playing the role of cam follower. The elastic return means 15 (in particular a helical spring) keeps the lug 14a in contact with the cam 13a in both directions of actuation of the control member. In the variant shown, the cam 13a is defined by a lateral surface of an interior recess of the rotating ring 10, the profile of which has a monotonic radial variation between two angular positions respectively defining a first position and a second position corresponding to the locking positions and unlocking.
    So that the locking and unlocking positions are stable positions, the locking device preferably comprises a positioning means arranged to keep the control member in place in the first and second positions mentioned above. In particular, the control member can be pivotally mounted with fatty friction, which may be sufficient to ensure its maintenance in said first and second positions. The positioning means presented in the figures is firstly formed by the slope of the cam 13a substantially zero at its two ends 13c which define said first and second positions respectively. The slope of the cam is considered in a circular reference frame, so that a zero slope corresponds to a circular path.
    The positioning can also be achieved or reinforced by the fact that the lug 14a is held radially in its two extreme radial positions, corresponding to the first and second positions, on the one hand by an internal tongue 16 formed in the rotating ring 10 and on the other hand by a bearing surface defined by the middle part 2. The slope of the cam in the central zone causes a relatively rapid displacement of the blocking member in response to a small angular displacement of the member control, while the substantially zero slope at the ends 13c of the cam prevents the transmission of a torque from the follower element to the control member. Thus, a rotation of about thirty degrees of the rotating ring makes it possible to move the locking member in both directions between its locking and unlocking positions.
    It is also possible to provide that the positioning means of the control member comprises hard points which must be passed just before reaching said first and second positions and therefore either the locking position or the position unlocking. This further secures the two functional positions of the controller. The passage of a hard point also provides a tactile indication of locking or unlocking to the user.
    Figs. 5 to 9 show a second embodiment which includes alternative solutions to those presented in the first embodiment. These variants being independent of each other, they can be combined with one another. It goes without saying that the invention is not limited to the two embodiments presented but also covers the combinations of the different alternatives and their equivalents.
    In a first variant of the second embodiment, the blocking member is a slide 8b capable of sliding in the direction of the actuating axis of the pusher in a radial slide 9 that includes the middle part. The slide 9 can have a dovetail shape or any other suitable profile.
    In a second variant, the control member 10 is directly formed by a rotating bezel 11 that comprises or supports the housing.
    According to another variant, the cam is formed by a groove 13b at least partially housing the lug 14a and having substantially the width of the diameter of this lug. This configuration corresponds to a desmodromic control for which the elastic return means of the means for driving the blocking member can be eliminated in order to limit the size of the locking device. However, it may be advantageous to keep a weak elastic return means in this case to make up for the play between the parts and eliminate small parasitic translations of the blocking member.
    Alternatively to the two embodiments shown in the figures, the cam can just as easily be a prominent rib and the follower means a notch machined in the locking member and receiving the rib, the sliding of the rib in the notch causing the radial movement of the locking member.
    The locking device can also include a visual means facilitating the recognition of the position of the locking member. This visual means, typically a marking, can be located on the control member or directly on the blocking member. In the embodiments presented, the blocking member is concealed in the unlocked position while it is visible in the locked position. The visibility of the locking member, which can be enhanced by a conspicuous color, is in this case the visual means which makes it possible to know its position.
    We also note in Figs. 4 and 9 that it is easy to provide for the control member 10 to have several grooves 13b, respectively several cams 13a in order to simultaneously lock several pushers.
    Thus, the various solutions proposed make it possible to produce locking devices for one or more pushers which are easier and faster to use by locking with a single gesture. The fact that the locking member can be fully retracted into the middle makes the locking device discreet. In addition, the actuation of a conventional pusher is not made less easy by the presence of the locking device when the latter is put in the unlocking position. Finally, the fact of moving the control member at the level of the bezel makes it possible to almost not increase the size of the pushers with the arrangement of the locking device according to the invention, which makes it possible to maintain a classic appearance of the case. watch which may appear externally almost identical to a corresponding case without such a locking device.
    权利要求:
    Claims (12)
    [1]
    claims
    1. Timepiece comprising a case (1), a pusher (4) mounted in a middle part (2) of the case and a locking device designed to lock the pusher, this pusher arranged so as to be able to undergo an islation according to an axis of actuation of the pusher by a user, the locking device comprises a blocking member (8) and a control member (10) arranged to control the movement of the blocking member in a locked position and a position unlocking in which the push button is respecîivemenî blocked eî free in îranslaîion, the control member extends in a parallel general plane audiî acionnionnemenî eî éîanî arranged movable in this general plan in a first position eî a second position posiîion, for the blocking member driven by the control member, respectively in the locking positions and in unlocking topping; characterized in that the blocking member (8) is arranged movable in connection along the axis of actuation and liable to be moved by the control member along this axis of action in said locking position, where it forms an axial buoy for the pusher, eî ladiîe unlocking posiîion siîue in reîraiî of the locking posiîion, the control member comporîanî to do this means of entrainment of the blocking member along the axis of acîionnemenî .
    [2]
    2. Timepiece according to claim 1, characterized in that the drive means (13) comprise a cam (13a, 13b) for radial positioning of the locking member, this cam cooperating with a follower means (14a ) that includes the locking member.
    [3]
    3. Timepiece according to claim 2, characterized in that the drive means comprise an elastic return means (15) tending to keep the follower means in contact with the cam (13a).
    [4]
    4. Timepiece according to claim 2 or 3, characterized in that the cam has a groove (13b) and the follower means is a lug (14a) inserted in this groove.
    [5]
    5. Timepiece according to claim 2 or 3, characterized in that the cam is formed by a rib and the follower means is a notch.
    [6]
    6. Timepiece according to any one of the preceding claims and whose housing comprises or supports a bezel (11), characterized in that the control member (10) is formed by a ring which is mounted between the middle part (2 ) and the bezel (11) movably in rotation about an axis substantially perpendicular to said actuation axis.
    [7]
    7. Timepiece according to any one of the preceding claims and whose housing comprises or supports a bezel (11), characterized in that said control member (10) is formed by the bezel (11) which is arranged to rotate.
    [8]
    8. Timepiece according to any one of the preceding claims, characterized in that the locking member (8) is a cylindrical sleeve (8a) surrounding the pusher (4) and capable of being displaced along said actuation axis of the pusher between said locking and unlocking positions.
    [9]
    9. Timepiece according to any one of claims 1 to 7, characterized in that the locking member (8) is a slide (8b) which is arranged to slide along said axis of actuation of the pusher between said locking positions and unlocking.
    [10]
    10. Timepiece according to any one of the preceding claims, characterized in that the pusher (4) comprises a head (5) and the blocking member (8) is able to come to position, to lock the pusher, to short distance from this head or resting against it.
    [11]
    11. Timepiece according to any one of the preceding claims, characterized in that the locking device comprises a visual means facilitating the recognition of the position of the locking member (8).
    [12]
    12. Timepiece according to any one of the preceding claims, characterized in that the locking device comprises a positioning means arranged to maintain the control member (10) in either of its first and second positions.
    类似技术:
    公开号 | 公开日 | 专利标题
    EP3407144B1|2021-06-30|Timepiece comprising a device for locking a pusher
    EP1582945A2|2005-10-05|Timepiece with push-buttons
    EP1748330B1|2009-05-13|Stem device for winding and setting the time for a watch
    EP2365407B1|2017-06-28|Device for actuating the winding-up and the time setting of a clockwork
    EP2287682B1|2014-03-12|Manual device for adjusting and/or controlling a function of a time piece
    EP3588199A1|2020-01-01|Timepiece, in particular a pocket watch, equipped with at least one cover
    EP1708052B1|2008-05-14|Clockwork
    EP2244137A2|2010-10-27|Timepiece control element
    EP3245563B1|2020-12-16|Watch case
    EP3663866A1|2020-06-10|Timepiece comprising a device for actuating a crown or a valve
    EP3650951A1|2020-05-13|Timepiece comprising a device for locking a valve or a crown
    CH714534B1|2019-06-28|Timepiece, in particular a pocket watch, equipped with at least one cover.
    EP3754436B1|2021-09-01|Timepiece, in particular a pocket watch, equipped with at least one cover
    CH699785A2|2010-04-30|Travel timepiece i.e. watch, has home and local hour wheels corresponding to respective time zones, and date display mechanism including control wheel driven by local hour wheel, where date wheel is driven by control wheel
    EP1960848B1|2012-06-13|Timepiece hammer
    CH706711A2|2014-01-15|Selecting and controlling arrangement for e.g. wrist watch, has selection device comprising elongate element and control device comprising rotatable element that is rotated around axis perpendicular to plate of clockwork movement
    EP2010972B1|2010-06-30|Timepiece comprising a hand-setting mechanism controlled by a rotating bezel
    EP2639656B1|2020-01-01|Control device for a diving watch
    CH715661B1|2020-06-30|Timepiece, in particular pocket watch, equipped with a cover and a cover opening device.
    CH642217A|1984-04-13|
    EP1091269A1|2001-04-11|Watch case
    EP3584644A1|2019-12-25|Winding mechanism and rocker correction for clock movement
    EP3961312A1|2022-03-02|Accessory with interchangeable element for a timepiece or a piece of jewellery
    EP2538284A1|2012-12-26|Wristwatch comprising a removable bezel
    CH715532A2|2020-05-15|Timepiece comprising a device for locking a valve or a crown.
    同族专利:
    公开号 | 公开日
    US10725429B2|2020-07-28|
    CN108958001B|2020-11-13|
    KR102071790B1|2020-01-30|
    CN108958001A|2018-12-07|
    EP3407144A3|2019-01-23|
    EP3407144A2|2018-11-28|
    JP2018197748A|2018-12-13|
    JP6537672B2|2019-07-03|
    KR20180128852A|2018-12-04|
    EP3407144B1|2021-06-30|
    US20180341228A1|2018-11-29|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH6832017|2017-05-24|
    EP17172883|2017-05-24|
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