• 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 present invention relates to an anchor escapement mechanism (1) comprising an escape wheel (2), an anchor (3) and an anchor (5) secured to an oscillating regulating member (4), such as a balance-spring . This escapement mechanism (1) is provided with an anti-overturning device comprising first and second curved bearing surfaces (6, 7) arranged either on the horns (33, 34) of the fork of the anchor (3). either on the regulating member (4). Pins (8, 9) are respectively arranged on the regulating member (4) or on the horns (33, 34). A follower member respectively constituted either by the peg (5) or by the lugs (8, 9) thus faces one of the bearing surfaces (6, 7) of the anti-rollover device during the rest phases of the anchor (3). The invention also relates to such a regulating member (4) and such an anchor (3), as well as a timepiece including such an exhaust mechanism (1).
    公开号:CH713800A2
    申请号:CH00669/17
    申请日:2017-05-23
    公开日:2018-11-30
    发明作者:Renaud Dominique
    申请人:Dominique Renaud Sa；
    IPC主号:
    专利说明:

    Description
    Technical Field [0001] The present invention relates to the field of watchmaking. More particularly, it relates to a micropulse anchor escapement mechanism provided with an anti-rollover safety device.
    The invention also relates to a regulating member and an anchor adapted to cooperate with such an exhaust mechanism and a timepiece comprising such an exhaust mechanism and such a regulating member.
    State of the art [0003] Anchor escapements are certainly the most common category of escapements in mechanical clockwork mechanisms, at least in the class of so-called free escapements. Associated with a regulating member, typically of the pendulum or balance sprung-balance type, an anchor escapement makes it possible to maintain the oscillations of said regulating member by transmitting, by regular pulses, at a determined frequency, a fraction of mechanical energy of the mechanical energy source of a said clock mechanism, usually comprising a barrel spring at least. At the same time, the escapement also makes it possible to count the oscillations of the regulator member and hence to count the time.
    [0004] Numerous variations of anchor escapements have been proposed in the state of the art and are well known to those skilled in the art of watchmaking. Their limitations, just as well known, are mainly a propensity to disturb the isochronism of oscillations of the regulating organ due to successive shocks and friction between the anchor and the regulating organ on the one hand and the anchor and the mobile exhaust on the other hand, as well as a low mechanical efficiency, mainly for the same reasons. In fact, it is usually considered that an anchor escapement transmits to the regulating member only the 30% of the motive force that it receives from the driving source.
    However, other limitations exist, including the reliability of operation at very high frequencies of oscillations and very low amplitudes of the regulating member. In fact, the lower the oscillation amplitude of the regulating member, the lower the total lifting angle of the rocker must be reduced to ensure the good transmission of the pulses (micro-pulses) as well as the release of the anchor and the more the shock sensitivity of said exhaust increases and becomes critical to control to avoid any jamming and / or overturning. Except it is also admitted that a reduced lifting angle of the balance makes it possible to improve the isochronism of a clock mechanism. It is therefore desirable to seek to minimize this lifting angle of the balance.
    Robin anchor mechanisms have the advantage of better performance than Swiss lever escapement mechanisms. However, the angle of lift of the anchor Robin is very small (of the order of 5 °) compared to conventional Swiss anchors (of the order of 30 °), which makes the usual security solution of these devices inapplicable. last by dart and plateau. For this, alternative solutions have been proposed in EP 1 122 617 B1 and EP 2 444 860 A1 or EP 2 407 830 B1. These Robin exhaust mechanisms and associated security devices are however difficult to implement.
    When the regulating member is not sprung-balance type securing the aforementioned risks of arching and overturning is regularly more delicate, especially because of the inapplicability of the usual security devices for Swiss anchor or Robin anchor escapements.
    The present invention aims to provide a new escapement micro-pulse, adapted to high oscillation frequencies of a regulating member, particularly at frequencies above 36,000 vibrations per hour (or 5 Hz). ), which does not suffer the limitations of known anchor escapements.
    The invention also aims to provide a perfectly secure exhaust against shocks and risks of induced shutdown of the regulating member, even in case of micro-pulses.
    Another object of the invention also relates to the proposal of a regulating member adapted to operate with such an escapement, as well as a timepiece comprising such an exhaust and / or regulating member.
    DISCLOSURE OF THE INVENTION [0011] According to a first object, the present invention thus proposes an anchor escapement mechanism, comprising: an escapement mobile movable in rotation about a first axis of rotation and provided with an series of peripheral teeth, and - an anchor movable in rotation about a second axis of rotation parallel to the first, said anchor having a first and a second arm adapted to alternately engage a tooth of the mobile escapement with each rotation of the mobile d and an anchor around their respective axis of rotation and a fork formed of two horns extending in opposite directions to the first and second arms, and - an anchor adapted to be secured to an oscillating regulating member to cooperate with each half-oscillation of said regulating member with the fork of the anchor to at least partially release said anchor of the escapement mobile.
    In order to secure this escape mechanism, it typically comprises an anti-rollover device comprising a first and a second curved bearing surfaces adapted to be arranged on the horns of the fork or a said regulating member and a first and at least one follower member adapted to be arranged on said said regulator member or on the horns of the fork respectively, said bearing surfaces and said at least one follower member being arranged such that said at least one follower member is located, during the phases of rest of the anchor, that is to say out of the phases of pulses and release, facing a said range.
    The escape mechanism of the invention and its anti-rollover safety device are advantageously configured to provide maximum operational safety, with a structure as common as possible with the classic anchor escapement mechanisms, in order to simplify the cost and the implementation in a large number of watch movements.
    Optimal securing of the inventive mechanism comes from the power of an anti-rollover device comprising curved spans and at least one follower member on the anchor and the regulating member respectively, or conversely, these being such that , in a usual operating mode of the escape mechanism corresponding to the normal operation of a clockwork movement comprising it, a said follower member is located opposite a said range during the rest phases of the anchor. Thus, along the entire path of the regulating member, a said span and a said follower member are located opposite one another, even during the course of the additional arc of the regulating member, which guarantees in the event of shocks, the follower member impacts the curved bearing surface before the anchor is tilted, and moreover, by bending the bearing, avoids an arching. This very simple configuration thus provides optimum securing of the escapement mechanism against shocks and rollovers, even for high frequencies of regulating member with low lifting angles.
    According to an advantageous characteristic of the invention, the exhaust mechanism comprises means for damping the contact of the ankle with the fork of the anchor, said damping means being arranged on the anchor and the regulating member for producing a lever arm capable of initiating the release of the anchor before or simultaneously in contact with the anchor at the anchor.
    In addition, these damping means are also advantageously arranged to dampen the impact of the anchor on the usual pins limiting the stroke of the anchor and thus recover some of the energy of the impulse to transmit it to the regulating organ.
    This configuration advantageously reduces the operating disturbances of the mechanism of the usual operating shocks anchor mechanisms, and thus improve the isochronism of watch movements comprising such a mechanism.
    According to a particular embodiment, the curved bearing surfaces are convex sectors adapted to be arranged integrally on the regulating member and pins integrally arranged at the free ends of the horns of the fork constitute a first and a second said follower members.
    [0019] Advantageously, the convex sectors have a radius of curvature of at least 4 millimeters.
    Preferably, said at least one follower member extends in vertical directions parallel to the axis of rotation of the anchor and in opposite directions to the ends of said horns.
    Advantageously again, the curved bearing surfaces are arranged in two parallel superimposed planes and the lugs are arranged to be each secant of one of said planes containing a said curved range.
    In this embodiment, the peg is then preferably fixed between said curved spans and extends perpendicular to the planes containing them.
    In another embodiment, the curved bearing surfaces are arranged on the horns of the fork and the at least one follower member is constituted by the pin arranged on the regulating member.
    Preferably in this embodiment the curved bearing surfaces are formed on a concave internal field of the horns of the fork and are symmetrical with respect to an insertion notch of the pin arranged in the anchor at the base of said horns.
    According to particular embodiments the curved bearing surfaces have a variable or constant radius of curvature along the entire length of the horns, said bearing surfaces being identical. Preferably, the curved bearing surfaces have a radius of curvature of at least 4 millimeters.
    In addition, the exhaust mechanism preferably comprises lugs arranged on the regulating member equidistant from the ankle.
    More preferably, said curved bearing surfaces extend in the same plane and said lugs extend in perpendicular and intersecting directions of this plane.
    A second object of the present invention also relates to the proposal of a timepiece control member adapted to operate in conjunction with the previously described escape mechanism.
    In an embodiment adapted to the first embodiment of the exhaust mechanism, said regulator member advantageously comprises a first and a second convex sector extending in two distinct parallel planes, said first and second convex sectors being connected to one another. one to the other by an ankle fixed between the curved sections of each of said sectors.
    In an embodiment adapted to the second embodiment of the exhaust mechanism said regulator member then comprises an arm carrying a pin attached to said arm and two lugs attached to said arm equidistant from said pin, said lugs and said peg extending in the same direction in parallel directions perpendicular to a plane containing said arm.
    A third object of the invention also relates to the timepiece anchor proxy adjusted for different embodiments of the exhaust mechanism of the invention.
    According to a first embodiment, such an anchor comprises a first and a second arm and a fork formed of two horns extending in opposite directions to the first and second arms, said horns having at their free end a lug extending in a direction perpendicular to a plane containing said horns.
    In this embodiment, it is advantageous in terms of compactness and operational reliability of the exhaust that said lugs extend in opposite directions to the ends of said horns.
    According to a second embodiment, the anchor may comprise a first and a second arm and a fork formed of two horns extending in opposite directions to the first and second arms, characterized in that it comprises a first and a second concave bearing formed face to face respectively on an internal field of said horns. These concave surfaces then form slipper sliding planes arranged on a regulating member so as to prevent any overturning.
    A final subject of the invention concerns a timepiece comprising an escapement mechanism and a regulator member as previously described.
    BRIEF DESCRIPTION OF THE DRAWINGS [0036] Other details of the invention will appear more clearly on reading the description which follows, made with reference to the appended drawing in which:
    Figures 1 to 8 show a first alternative embodiment of an exhaust mechanism and a regulating member according to the present invention in different relative positions during a half-oscillation of the oscillator member about its axis pivoting;
    Fig. 9 is an isometric view of the exhaust mechanism and the regulating member shown in FIGS. 1 to 8;
    Figs. 10 to 19 show a second embodiment of an escapement mechanism and a regulator member according to the present invention in different relative positions during a half-oscillation of the oscillator member about its pivot axis
    Embodiments of the Invention [0037] The present invention provides a novel anchor escapement mechanism substantially similar to Swiss anchor mechanisms. However, the escape mechanism of the invention is adapted to operate with micro-pulses, that is to say, very low angles of emergence compatible with regulator oscillation frequencies greater than 36,000 vibrations-hours, and having a spoiler-free reversing securing device as proposed in conventional Swiss lever escapement mechanisms.
    Figures 1 to 9 show a first embodiment of the exhaust mechanism 1 of the invention.
    According to this first embodiment, the escapement mechanism 1 of the invention conventionally comprises an exhaust mobile 2 consisting of an escape wheel 21 driven coaxially on an exhaust pinion 22, mounted movably in rotation about an axis A1 on the plate, not shown. The escapement mechanism 1 also comprises an anchor 3 mounted free to rotate about an axis A2, parallel to the axis A1 of the escapement wheel 2, on the turntable of the watch movement. Said anchor 3 comprises a pair of arms 31, 32 forming an inlet lift and an exit lift and a pair of horns 33, 34 defining a fork on either side of a notch 35 disposed substantially at the point of contact. intersection of the horns 33, 34 of the fork in a secant direction of the axis A2 forming a substantially bisector of the angle defined between the two horns 33, 34. The anchor 3 and the escapement mobile 2 are arranged one relative to each other on the watch movement plate so that the arms 31, 32 cooperate alternately with a tooth 21 d of the escape wheel 21 at each rotation of the anchor 3 about its axis A2, the race of the anchor 3 being limited by pins 10 driven on the plate to engage an internal field of each arm 31,32.
    The pinion 22 of the mobile escapement 2 is also arranged, again in a conventional manner, in engagement with a mobile R of the finishing gear of the watch movement to transmit by the play of the escape wheel 21 and the anchor 3 a fraction of energy from the energy source of the watch movement to an oscillating regulating member 4, in particular a spiral balance or similar assembly, in order to maintain the oscillations thereof. This oscillation maintenance of the regulator member 4 results from the point interaction of said regulator member 4 with the anchor 3, and more particularly from an anchor 5 secured to the regulator member 4 with the notch 35 of the anchor 3.
    The exhaust mechanism 1 of the invention presents an original and characteristic anti-rollover safety device of the anchor devoid of stinger as conventionally known in Swiss anchor escapements, but ensuring a very high security and reliability of operation, especially at high oscillation frequencies of the regulating member 4, greater than 36,000 vibrations per hour.
    In the embodiment of FIGS. 1 to 9, the anti-overturning device of the escapement mechanism 1 of the invention comprises first and second spans 6, 7 curved formed by convex sectors 41, 42 arranged on the outside. regulating member 4, rotatably mounted, by any means known to the watchmaker, around an axis A3 parallel to the axes A1, A2, in two superposed parallel planes P1, P2 (FIG 9).
    Each convex sector 41, 42 has a curved end section 41a, 42a, such as serge portions of a conventional balance wheel, a free field 41b, 42b forms said curved bearing surfaces 6, 7, whose radius of curvature is preferably at least 4 mm.
    [0044] Said curved portions 41a, 42a also extend in the opposite direction of a mass portion 41m, 42m of the regulating member 4 and are interconnected by the pin 5 driven in orifices arranged in the curved portions 41a , 42a for this purpose, said peg 5 extending in a direction perpendicular to the planes P1, P2 convex sectors 41, 42, and separated by a distance d of the order of 0.1 to 3 mm maximum. This distance d is also provided at the level of the mass portions 41m, 42m of the regulating member 4 preferably, for example by the set of spacers or, preferably, a mass of a heavy material compared to the convex sectors 41 , 42, which allows these to be made in a non-metallic material where appropriate. This gives the regulating member 4 sufficient inertia to maintain free oscillations at a determined frequency about the axis A3.
    The anti-rollover device further comprises first and second follower members formed by lugs 8, 9 arranged at the free ends of the horns 33, 34 of the fork of the anchor 3. These pins 8, 9 s' extend in opposite directions in secant parallel vertical directions of the planes P1, P2. Thus, each said lug 8, 9 is arranged vis-à-vis the regulating member 4 so that one of said lugs 8, 9 of the anchor 3 is located opposite one of the spans 6, 7 of the sectors 41, 42 of the regulating member 4 during the rest phases of the anchor, that is to say out of the lifting and release phases of the anchor 3, as is apparent from FIGS. 1 to 8, which represent the operating kinematics of the exhaust mechanism 1 of the invention in its first embodiment on a half-wave of the regulating member 4 about its axis A3.
    FIG. 1 represents the escape mechanism 1 in a first position, in which the anchor 3 is abutted by its arm 31 against a first pin 10 and the regulating member 4 in an extreme high position with reference to the figure, in the end stroke its additional angle on a half-wave around the axis A3. In this position, the lug 8 at the end of the horn 33 is located opposite one end of the convex range 7 of the lower sector 42 of the regulating member 4. Thus it is clear that a reversal of the anchor 3 is impossible in case of rotation thereof around its axis A1 in the event of shock undergone by the mechanism 1 because of the counter-support that would provide the bearing 7 of the regulating member 4 on the lug 8.
    During the rotation of the regulating member 4 in the counterclockwise direction shown by the arrow in FIGS. 2 to 7, the bearing 7 marries without contact the lug 8 on the horn 33 until the contacting of the sector 41 by its lateral branch 41c against the lug 9 of the horn 34, thereby initiating the release of the anchor 3 simultaneously with the entry of the peg 5 into the notch 35 of the anchor 3 (FIG 2). The contact of the lateral branch 41c on the lug 9 before the entry of the pin 5 into the notch 35 of the anchor provides a significant advantage to the escapement mechanism 1 of the invention. In fact, this contact makes it possible to damp the impact of the regulating member 4 at the anchor 3 and, by the important lever arm existing between the lug 9 and the axis A2 of the anchor 3, provides a pulse of release reducing the impact energy of the ankle 5 necessary for the complete release of the anchor 3. This damping of the impact of the regulating member 4 at the anchor 3 makes it possible to reduce the disturbances of the exhaust and to improve singularly the isochronism of the watchmaking movement with it.
    The pin 5 then causes the complete release of the anchor 3 by pushing into the notch 35 and rotation of the anchor 3 in a clockwise direction (FIG 3).
    In the equilibrium position of the regulating member 4, shown in FIG. 4, the pin 5 is then fully inserted into the notch 35 of the anchor 3, which is then completely disengaged from the escapement wheel 21, which turns freely by one step under the action of the gear R meshing the pinion 22. At the same time the regulating member is devoid of contact with the lugs 8, 9 of the horns of the anchor 3 and can therefore continue its rotation, pushing the anchor 3 into abutment against the second pin 10 (FIG. Figures 5 and 6). In this position a tooth 21 d of the escape wheel comes to a stop against a stop plane of the arm 32 of the anchor 3 while the regulating member 4 is released from the anchor 3 and continues to rotate in counterclockwise on its additional arc, the lug 9 on the horn 34 being substantially tangent, without contact however, the scope 6 of the sector 41 (Figure 7).
    When the regulator member 4 reaches the end of the half-wave stroke (FIG 8), the lug 9 of the horn 34 of the anchor 3 is then always in a quasi-tangent position, without contact, at the span 6 of the arc 41 of the member, which also ensures the safety of the escapement mechanism 1 against a reversal of the anchor 3 in the event of impact on the timepiece comprising it in this second position extreme. The safety device of the escape mechanism 1, composed of the convex bearing surfaces 6, 7 and the lugs 8, 9 essentially thus ensures the guiding of the regulating member 4 in all its positions with respect to the anchor 3 of the in this way while preventing overturning and jamming of the anchor 3 on the regulating member 4, in particular by the convex nature of the bearing surfaces 6, 7 which makes it possible to guarantee the absence of overturning even in a microphone exhaust configuration pulses, with very low angles of emergence and oscillation frequencies of the high regulator 4, greater than 36,000 vibrations per hour.
    The operation of the exhaust mechanism on the half-wave back to the position of FIG. 1 is then strictly analog but in the opposite direction to that described above with reference to FIGS. 1 to 8.
    A second embodiment of the exhaust mechanism 1de the invention is shown in Figs. 10 to 19. In this second variant, the relative positioning of the curved bearing surfaces 6, 7 and lugs 8, 9 are reversed with respect to the embodiment of FIGS. 1 to 9.
    Thus in this second embodiment the curved bearing surfaces 6, 7 are formed face to face on an internal field of the horns 33, 34 of the fork of the anchor 3, on either side of the notch 35. 3. The lugs 8, 9 are arranged on the regulating member 4, which makes it possible, among other things, to simplify the structure of the regulating member 4, which may in this case be essentially planar. that is to say, have a substantially single-piece body of a single level as opposed to the two-sector structure 41,42 superimposed embodiment of Figs. 1 to 9.
    Finally, the guiding of the regulating member 4 vis-à-vis the anchor 3 this time essentially results from the cooperation of the ankle 5, thereby forming a single follower on the spans 6,7 ( 10 and 17-19), the lugs 8, 9 participating for their part in the initial release training of the anchor 3 on each half-wave of the regulating member 4 against the curved bearing surfaces 6, 7 (FIG. 11-12) as well as the lateral branches 41c of the sectors 41, 42 in the first embodiment. The complete clearance conventionally results from the passage of the peg 5 in the notch 35 of the anchor 3 during the course of the lifting angle of the regulating member 4, as shown in FIGS. 12 to 16.
    As is apparent from FIGS. 10 to 19, only the anchor 3 and the regulating member 4 differ structurally in this second embodiment from the escapement mechanism 1 of FIGS. 1 to 9. The anchor 3 essentially differs by its fork formed of horns 33, 34 that are substantially triangular or in point, which extend symmetrically on either side of the notch 35, with the internal fields of said horns 33, 34 which define the curved bearing surfaces 6, 7, in this case concave, of the anti-rollover safety device of the escapement mechanism of the invention. These curved bearing surfaces 6, 7 are strictly identical and may have a constant or variable radius of curvature over their entire length, this radius of curvature preferably being at least 4 millimeters.
    Furthermore, the regulator member 4 is in turn constituted by a posterior mass sector 43m opposite which extends an arm 43 extending in a single plane and carrying at its free end the ankle 5 and on lateral branches 43b a lug 8, 9, the peg 5 and the lugs 8, 9 projecting from the arm 43 perpendicular to the plane containing the latter.
    The operating kinematics of the exhaust mechanism 1 of the invention in its second embodiment on a half-wave of the regulator member 4 about its axis A3 is shown in FIGS. 10 to 19.
    FIG. 10 shows the escapement mechanism 1 in a first position, in which the anchor 3 is abutted by its arm 31 against a first pin 10 and the regulating member 4 in an extreme high position with reference to the figure, in the end stroke its additional angle on a half-wave around the axis A3. In this position, the ankle 5 at the end of the arm 43 of the regulating member 4 faces the concave bearing surface 6 on the horn 33 of the anchor 3. Thus it is understood that an overturning of the anchor 3 is impossible. in the event of rotation thereof around its axis A1 in the event of shock experienced by the mechanism 1 due to the counter-bearing of the bearing surface 6 of the regulating member 7 on the peg 5.
    During the rotation of the regulating member 4 in the counterclockwise direction, the peg 5 of the latter describes a trajectory parallel to the bearing surface 6 on the horn 33 of the anchor 3 until it comes into contact. the lug 9 on a lateral branch 43b of the arm 43 against the concave bearing surface 7 of the horn 34, thus initiating the release of the anchor 3 slightly substantially simultaneously or just before the entry of the dowel 5 into the notch 35 anchor 3 (Fig. 11).
    The contact of the pin 9 with the bearing surface 7 of the horn 34 before the entry of the pin 5 into the notch 35 of the anchor provides a significant advantage to the exhaust mechanism 1 of the invention. In fact, this contact makes it possible to damp the impact of the regulating member 4 at the anchor 3 and, by the important lever arm existing between the lug 9 and the axis A2 of the anchor 3, provides a pulse of release reducing the impact energy of the ankle 5 necessary for the complete release of the anchor 3. This archer is affected by the impact of the regulating member 4 at the anchor 3 allows to reduce the perrurbations of the exhaust and to improve singularly the isochronism of the clockwork movement comprising it.
    The pin 5 then fully penetrates into the notch 35 and then causes the complete release of the anchor 3 by pushing in the notch 35 and rotation of the anchor 3 in a clockwise direction (Figures 12 to 14). .
    In the equilibrium position of the regulating member 4, shown in FIG. 14, the pin 5 is then fully inserted into the notch 35 of the anchor 3. At the same time the regulating member 4 is free of contact with the horns 33, 34 of the anchor 3 and can therefore continue its rotation , pushing the anchor 3 into abutment against the second pin 10 (Figures 15 and 16). In this position a tooth 21 d of the escape wheel comes to a stop against a stop plane of the arm 32 of the anchor 3 while the regulating member 4 is released from the anchor 3 and continues to rotate in counterclockwise on its additional arc, the peg 5 continuing its parallel stroke along the span 7 of the horn 34 (Figures 17 to 19).
    When the regulator member 4 reaches the end of the race, in a second extreme position of its half-wave (not shown), the pin 5 is always located in front of the range 7 of the horn 34 of the anchor 3 , which also ensures the safety of the escapement mechanism 1 against a reversal of the anchor 3 in the event of impact on the timepiece comprising it in this second extreme position. The safety device of the exhaust mechanism 1 in this second embodiment thus ensures the guiding of the regulating member 4 in all its positions vis-à-vis the anchor 3 while preventing overturning and bracing of the anchor 3 on the regulating member 4 by guiding and following effect of the ankle 5 on the concave bearing surfaces 6, 7 of the horns 33, 34 of the anchor 3.
    The operation of the exhaust mechanism on the half-wave back to the position of FIG. 10 is then strictly analog but in opposite direction to what has been described above with reference to FIGS. 10 to 19.
    The present invention therefore provides an exhaust mechanism with a simple anti-rollover safety device, reliable and compact, suitable for low angles of emergence and high frequencies of oscillation of the organ regulator of a watch mechanism.
    权利要求:
    Claims (18)
    [1]
    claims
    Anchor escapement mechanism (1), comprising: - an escapement wheel (2) movable in rotation about a first axis of rotation and provided with a series of peripheral teeth (21), and - a anchor (3), movable in rotation about a second axis of rotation parallel to the first, said anchor having a first and a second arm (31, 32) adapted to alternately engage a tooth (21) of the mobile escape at each rotating the escape wheel (2) and the anchor about their respective axis of rotation and a fork formed by two horns (33, 34) extending in opposite directions to the first and second arms (31, 32) and an anchor (5) adapted to be secured to a regulating member (4) oscillating to cooperate with each half-oscillation of said regulating member with the fork of the anchor in order to at least partially release said anchor of the escapement , characterized in that it comprises an anti-reversal device comprising first and second curved surfaces (6, 7) adapted to be arranged on the horns (33, 34) of the fork or a said regulating member (4) and at least one follower member (5, 8, 9). adapted to be arranged on said said regulating member (4) or on the horns (33, 34) of the fork respectively, said bearing surfaces (6, 7) and said at least one follower member (5, 8, 9) being arranged in so that said at least follower member (5, 8, 9) is located, during the rest phases of the anchor, facing a said scope (6, 7).
    [2]
    2. Exhaust mechanism according to claim 1, characterized in that it comprises means (41c, 43b, 8, 9) damping the contact of the ankle (5) to the fork of the anchor (3) , said damping means being arranged on the anchor (3) and the regulating member (4) for producing a lever arm capable of initiating the release of the anchor before or simultaneously in contact with the pin (5) to anchor.
    [3]
    3. Exhaust mechanism according to claim 1 or 2, characterized in that the curved bearing surfaces (6, 7) are convex sectors adapted to be arranged on the regulating member and lugs (8, 9) arranged at the free ends. horns (33, 34) of the fork constitute first and second said follower members.
    [4]
    4. Exhaust mechanism according to claim 2, characterized in that the curved bearing surfaces (6, 7) are arranged in two superposed parallel planes (P1, P2) and said lugs (8, 9) are arranged to be intersecting one of said superimposed planes (P1, P2) containing a said curved span (6, 7).
    [5]
    5. Exhaust mechanism according to one of claims 1 to 3, characterized in that said at least one follower member extends in vertical directions parallel to the axis of rotation of the anchor and in opposite directions to ends of said horns (33, 34).
    [6]
    6. Exhaust mechanism according to one of claims 3 to 5, characterized in that the pin (5) is fixed between said curved bearing surfaces (6, 7) and extends perpendicularly to the planes (P1, P2) containing them .
    [7]
    7. Exhaust mechanism according to claim 1, characterized in that the curved bearing surfaces (6,7) are arranged on the horns (33, 34) of the fork and in that the follower member is constituted by the ankle ( 5).
    [8]
    8. Exhaust mechanism according to claim 7, characterized in that the curved bearing surfaces (6, 7) are formed on a concave internal field of the horns (33, 34) of the fork and are symmetrical with respect to a notch (35). ) of insertion of the pin (5) arranged in the anchor (3) at the base of said horns (33, 34).
    [9]
    9. Exhaust mechanism according to one of claims 7 or 8, characterized in that the curved bearing surfaces (6, 7) have a variable or constant radius of curvature along the entire length of the horns (33, 34), said spans being identical.
    [10]
    10. Exhaust mechanism according to one of claims 7 to 9, characterized in that it comprises lugs (8, 9) arranged on the regulating member (4) equidistant from the dowel (5).
    [11]
    11. Exhaust mechanism according to one of claims 7 to 10, characterized in that said curved bearing surfaces (6, 7) extend in the same plane and the peg (5) and said lugs (8, 9) s extend in directions parallel to each other and perpendicular and intersecting this plane.
    [12]
    12. Regulator member (4) for a timepiece having first and second convex sectors (41, 42) extending in two parallel parallel planes (P1, P2), said first and second convex sectors being connected to one another. to the other by a pin (5) fixed between curved sections (41a, 42a) of each of said sectors, a free field (41b, 42b) forms curved bearing surfaces (6, 7).
    [13]
    13. Regulator member (4) for a timepiece comprising an arm (43) carrying a peg (5) fixed on said arm (43) and two lugs (8, 9) fixed on said arm equidistant from said dowel ( 5), said lugs and said peg extending in the same direction in parallel directions perpendicular to a plane containing said arm.
    [14]
    Anchor (3) for a timepiece, comprising a first and a second arm (31, 32) and a fork formed by two horns (33, 34) extending in opposite directions to the first and second arms, characterized in that said horns (33, 34) comprise at one free end a lug (8, 9) protruding with respect to the direction of extension of each of said horns (33, 34).
    [15]
    15. Anchor (3) according to claim 13, characterized in that said lugs (8, 9) extend in opposite directions to the ends of said horns (33, 34).
    [16]
    Anchor (3) for a timepiece, comprising a first and a second arm (32, 32) and a fork formed of two horns (33, 34) extending in opposite directions to the first and second arms, characterized in that it comprises a first and a second bearing (6, 7).
    [17]
    17. Timepiece comprising an exhaust mechanism (1) according to one of claims 1 to 6 and a regulating member (4) according to claim 12.
    [18]
    18. Timepiece comprising an exhaust mechanism (1) according to one of claims 7 to 11 and a regulating member (4) according to claim 13.
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    同族专利:
    公开号 | 公开日
    CH713800B1|2021-09-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2019-06-14| NV| New agent|Representative=s name: BOVARD SA NEUCHATEL CONSEILS EN PROPRIETE INTE, CH |
    2021-04-15| PUE| Assignment|Owner name: ERIC FREYMOND, GB Free format text: FORMER OWNER: DOMINIQUE RENAUD SA, CH |
    优先权:
    申请号 | 申请日 | 专利标题
    CH00669/17A|CH713800B1|2017-05-23|2017-05-23|Watchmaking mechanism comprising an anchor escapement mechanism and an oscillating regulator.|CH00669/17A| CH713800B1|2017-05-23|2017-05-23|Watchmaking mechanism comprising an anchor escapement mechanism and an oscillating regulator.|
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