CLOCK WITH SHOCK ABSORBING MECHANISM

Description

Technical field

[0001] The present invention relates to a watch comprising an anti-shock device for a watch movement and more particularly, a disengageable crown allowing said watch movement to be released in the six degrees of freedom. Technological background

[0002] The watch movement is subjected to repeated shocks when a watch is worn. These shocks disrupt the operation of the watch movement, which can increase its inaccuracy and result in a delay of several seconds.

[0003] Document JP 6146699B2 discloses a crown for a watch movement suitable for integration into a timepiece equipped with a shock-resistant device. The crown is configured to occupy a first position in which the head of the stem is not in contact with the stem, the watch movement being disengaged from the crown. The crown is also configured to occupy the second position in which the head is embedded in the stem of the crown. In this position, the watch movement is therefore secured to the crown.

[0004] Document EP3492995A1 discloses a crown system for a timepiece comprising a tube arranged to be fixed in a caseband of a timepiece and comprising a thread intended to be accessible from the outside of the caseband, a crown comprising a skirt provided with a thread arranged to cooperate with the thread, and a tubular central part arranged to be able to slide inside the tube, a stem intended to be in kinematic connection with a mechanism of the timepiece, one end of the stem being located inside the tubular central part, a clutch arranged to move between a disengaged state in which the stem and the crown are disengaged from each other, and an engaged state in which the stem and the crown are rotationally integral.

[0005] Document WO2018 / 215491A1 describes a watch comprising a shock-absorbing device allowing the movement to move in all directions. This watch also comprises a crown whose stem has a flexible coupling. Summary of the invention

[0006] The present invention aims to resolve all or part of the drawbacks mentioned above.

[0007] It relates to a watch as defined in the claims.

[0008] Thanks to the provisions of the invention, the crown allows said watch movement to be released in the six degrees of freedom so that during an impact, said watch movement can move in the case without being linked to the case.

[0009] The first position of the crown is a disengaged position in which a driving member is distant from a driven member and the second position is an engaged position in which the driving member is in contact with the driven member.

[0010] Thanks to this arrangement, said crown can engage or disengage said at least one driven member and said at least one driving member.

[0011] According to one embodiment, said crown comprises an enclosure; said enclosure comprises said at least one driven member and / or said at least one driving member.

[0012] According to one embodiment, said enclosure surrounds said at least one driven member and / or said at least one drive member, and / or said at least one driven member surrounds said at least one drive member.

[0013] By means of one or other of these preceding arrangements, said enclosure can contain said at least one driven member and said at least one driving member.

[0014] According to one embodiment, said at least one driven member comprises a head configured to provide a grip to said at least one drive member.

[0015] According to one embodiment, said head comprises a contact surface configured to provide a grip to said at least one drive member when said at least one driven member is in contact with said at least one drive member, and / or a guide surface configured to guide said at least one drive member, preferably, towards said contact surface.

[0016] By means of either of these preceding arrangements, said at least one driven member can be driven by said at least one drive member when said crown is in said second position, preferably in said engaged position.

[0017] According to one embodiment, said at least one drive member being configured to be distant from said contact surface when said crown is in said first position and / or said at least one drive member being configured to be in contact with said contact surface when said crown is in said second position.

[0018] Thanks to this arrangement, said at least one drive member and said contact surface cooperate when said crown is in said second position.

[0019] According to one embodiment, said at least one drive member has a cylindrical shape configured to be engaged with said at least one driven member.

[0020] According to one embodiment, said cylindrical shape of said at least one drive member constitutes a female correspondence of said head of said at least one driven member.

[0021] By virtue of one or other of these preceding provisions, there is a complementarity between said at least one drive member and said at least one driven member.

[0022] According to one embodiment, said crown comprises at least one first seal and at least one protective member; said at least one first seal being arranged between said crown and at least one protective member.

[0023] According to one embodiment, said at least one first seal is configured to seal the space between said crown and said at least one protective member.

[0024] According to one embodiment, said at least one protection member is arranged between said crown and said at least one drive member.

[0025] According to one embodiment, said at least one first seal is always in contact with said crown and said at least one protective member.

[0026] According to one embodiment, said crown comprises at least one second seal configured to be in contact with said crown and / or said at least one protective member when said crown is in said first position and to be distant from said crown and / or said at least one protective member when said crown is in said second position.

[0027] According to one embodiment, said at least one first seal is configured to seal the space between said crown and said at least one protective member up to 30 bars, in particular up to 10 bars, preferably up to 5 bars.

[0028] Thanks to one or other of these previous arrangements, said crown is waterproof while allowing freedom of movement of said watch movement.

[0029] According to one embodiment, said at least one driven member is an end piece configured to be arranged on a stem of said watch movement or said at least one driven member is secured to a stem of said watch movement.

[0030] According to one embodiment, said tip comprises a contact surface configured to provide a grip to said at least one drive member when said at least one driven member is in contact with said at least one drive member, and / or a guide surface configured to guide said at least one drive member, preferably, towards said contact surface.

[0031] By means of either of these preceding arrangements, said crown can be arranged on said watch movement.

[0032] According to one embodiment, said crown comprises at least one return member configured to move said at least one drive member between said first position and said second position.

[0033] According to one embodiment, said at least one return member is arranged between said at least one driven member and said at least one drive member.

[0034] According to one embodiment, said at least one return member is at least one spring.

[0035] By means of one or other of these preceding arrangements, said at least one driven member can be distanced from said at least one driving member.

[0036] According to one embodiment, said watch movement comprises a stem; said at least one driven member is in one piece with said stem of said watch movement.

[0037] By means of either of these preceding arrangements, said crown can be integrated onto said stem of said watch movement during the assembly of said watch movement and / or during the manufacture of said stem.

[0038] Furthermore, thanks to the provisions of the invention, said crown can engage or disengage said at least one driven member and said at least one driving member, and said watch movement can move according to the 6 degrees of freedom without being hindered and be damped by said at least one damping element.

[0039] According to one embodiment, said stem is a winding stem. Brief description of the figures

[0040] The invention will be described below in more detail with the aid of the appended drawings, given as non-limiting examples, in which: THE Figures 1A, 1B And 1C respectively show a shockproof device 200, a crown 100 and a sectional view of said shock-absorbing device 200 in a first position 101 according to one embodiment of the invention; and, The Figures 2A, 2B And 2C respectively show said shockproof device200, said crown 100 and a sectional view of said shock-absorbing device 200 in a first position 101 according to one embodiment of the invention. Detailed description of the invention

[0041] There Figure 1A has an anti-shock device 200 configured to allow the movement of a watch movement 210 according to at least three degrees of freedom, preferably according to six degrees of freedom.

[0042] The said anti-shock device 200 includes said watch movement 210, a crown 100 connected by a rod 220, preferably a winding stem 220, watch movement audit 210 and a build 250.

[0043] The said build 250 includes at least one damping element 230 which can completely or partially cover the interior of said case 250and is configured to absorb shocks from said watch movement 210 when said watch movement 210 moves according to at least one of the 6 degrees of freedom in said case 250.

[0044] Indeed, as can be seen on the Figure 1C , said at least one damping element 230 can absorb the shocks of said watch movement 210 when the said crown 100 is in contact or close to said frame 250, because the said watch movement 210 can move according to the 6 degrees of freedom without being hindered but while being damped by said at least one damping element 230.

[0045] Represented on the Figures 1B And 2B , the said crown 100 may include at least one drive member 120 and at least one trained organ 110 configured to be driven and to be connected to said watch movement 210by said rod 220.

[0046] The said crown 100 also includes an enclosure 105 configured to receive said at least one driven member 110 and / or said at least one drive member 120. More precisely, the said enclosure 105 surrounds said at least one drive member 120, which in turn surrounds said at least one driven organ 110 so that the said enclosure 105 contains said at least one driven organ 110 and said at least one drive member 120.

[0047] When said at least one drive member 120 is placed or is located in the said enclosure 105 of the said crown 100, there is a space in which at least one protective organ 130, preferably a tube 130, can be inserted or inserted. In other words, said at least one protective organ 130is arranged between said crown 100 and said at least one drive member 120.

[0048] For reasons of sealing, the said crown 100 includes at least one first seal 131 and at least a second seal 132. Said at least one first seal 131 can be arranged between said crown 100 and said at least one protective organ 130, in other words, said at least one first joint 131 is configured to seal the space between said crown 100 and said at least one protective organ 130.

[0049] As can be seen in the various figures, said at least one first joint 131 may still be in contact with said crown 100 and said at least one protective organ 130,and can be configured to seal said space up to 30 bars, in particular up to 10 bars, preferably up to 5 bars.

[0050] Furthermore, the said crown 100 is configured to move between a first position 101 and a second position 102, more particularly and given that said at least one drive member 120 is attached to the said crown 100, it is said at least one drive organ 120, which is configured to move between a first position 101 and a second position 102.

[0051] In the said first position 101 also called disengaged position 101, said watch movement 210 is free according to at least three degrees of freedom, preferably according to six degrees of freedom, Figures 1A And 1C , and its movements, even its shocks with the said build 250,are totally or partially amortized by said at least one amortization element 230 covering all or part of said frame 250. In this disengaged position 101, that is to say in the said first position 101, said at least one drive member 120 is distant from said at least one driven member 110, but the said crown 100 may be in contact or close to said frame 250 and / or said at least one protective organ 130.

[0052] As can be seen on the Figure 1A , and more particularly on the Figure 1C , said at least one protective organ 130, preferably said tube 130 is in contact with said crown 100 through at least one second seal 132. Indeed, said at least one protective organ 130 may be in contact with said at least one second seal 132when said at least one drive member 120 is distant from said at least one driven member 110.

[0053] When the user wishes to wind his watch, the said crown 100 is moved to said second position 102, that is to say that the said crown 100 is far from the said build 250, and said watch movement 210 becomes jointly and severally liable for the said crown 100, Figure 2C . Simultaneously, said at least one second seal 132 is removed, by means of the said crown 100, of said at least one protective organ 130, Figure 2B .

[0054] This movement of the said first position 101 towards the said second position 102 can be facilitated by at least one recall organ 115, which can take the form of at least one spring 115, between said crown 100,preferably said at least one drive member 120, and said at least one driven member 110, so as to distance said crown 100 of the said build 250 but to bring into contact said at least one driven organ 110 and said at least one drive member 120, Figure 2B .

[0055] Said at least one trained organ 110, which can take the form of a tenon 110 or a tip 113, may include a head 113 configured to provide a grip to said at least one drive member 120. Furthermore, according to the embodiments, said head 113 of said at least one driven organ 110 can be in one piece or integral with said rod 220 said watch movement 210 or, in the form of said tip 113, can fit onto the stem 220.

[0056] Furthermore, the said head 113includes a contact surface 112 and a guide surface 111 configured to guide said at least one drive member 120 towards said contact surface 112, when said drive member 120 moves from said first position 101 towards the said second position 102, also called clutch position 102.

[0057] This cooperation or training of said at least one trained organ 110 by said at least one drive member 120 may be permitted or permitted by the cylindrical shape of said at least one drive member 120 which surrounds said at least one driven organ 110 and more particularly, by the grip provided by said contact surface 112 audit at least one drive unit 120. More specifically, said cylindrical shape of said at least one drive member 120constitutes a female correspondence of the said head 113 of said at least one driven organ 110, so that a complementarity between said at least one drive member 120 and said at least one driven member 110 is possible, like a socket wrench and a hexagonal bolt for example.

[0058] In the clutch position 102, that is to say in the said second position 102, the user can wind the said watch movement 210.

Claims

1. Watch comprising a middle (250) configured to receive a horological movement (210) as well as a shock-proof device (200) configured to allow the horological movement (210) to move along at least three degrees of freedom; the shock-proof device (200) further comprising a crown (100) configured to move between a first position (101) wherein the horological movement (210) is free along at least three degrees of freedom, and a second position (102) wherein the horological movement (210) is rigidly connected to the crown (100), the crown (100) comprising at least: - a driven organ (110) configured to be driven and to be connected to the horological movement (210); and, - a driving organ (120) configured to be distant from the at least one driven organ (110) when the crown (100) is in the first position (101) and to be in contact with the at least one driven organ (110) when the crown (100) is in the second position (102); the middle (250) further comprising a damping element (230) configured to damp the shocks suffered by the horological movement (210).

2. Watch according to claim 1, comprising an enclosure (105) including the at least one driven organ (110) and / or the at least one driving organ (120).

3. Watch according to claim 2, wherein the enclosure (105) surrounds the at least one driven organ (110) and / or the at least one driving organ (120), and / or the at least one driven organ (110) surrounds the at least one driving organ (120).

4. Watch according to any one of claims 1 to 3, wherein the at least one driven organ (110) comprises a head (113) configured to offer an engagement to said at least one driving organ (120).

5. Watch according to claim 4, wherein the head (113) comprises a contact surface (112) configured to offer an engagement to said at least one driving organ (120) when the at least one driven organ (110) is in contact with the at least one driving organ (120), and / or a guiding surface (111) configured to guide the at least one driving organ (120), preferably, towards said contact surface (112).

6. Watch according to claim 5, wherein the at least one driving organ (120) is configured to be distant from the contact surface (112) when the crown (100) is in the first position (101) and / or the at least one driving member (120) is configured to be in contact with the contact surface (112) when the crown (100) is in the second position (102).

7. Watch according to any one of claims 3 to 6, wherein the at least one driving organ (120) has a cylindrical shape configured to engage with said at least one driven organ (110).

8. Watch according to claim 7, when dependent on at least claim 4, wherein the cylindrical shape of the at least one driving organ (120) forms a female match of the head (113) of the at least one driven organ (110).

9. Watch according to any one of claims 1 to 8, comprising at least a first joint (131) and at least one protective organ (130), the at least a first joint (131) being disposed between the crown (100) and the at least one protective organ (130).

10. Watch according to claim 9, wherein the at least a first joint (131) is configured to render the space between the crown (100) and the at least one protective organ (130) water-resistant.

11. Watch according to any one of claims 1 to 10, wherein the at least one driven organ (110) is an end piece (110) configured to be disposed on a shaft (220) of the horological movement (210) or the at least one driven organ (110) is rigidly connected to a shaft (220) of the horological movement (210).

12. Watch according to any one of claims 1 to 11, which comprises at least one return organ (115) configured to move said at least one driving organ (120) between said first position (101) and said second position (102).

13. Watch according to any one of claims 1 to 12, wherein the shaft (220) is a winding-mechanism shaft.