# US 11,029,649 B2 · Device for timepiece, clockwork movement and timepiece comprising such a device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,029,649 B2 - Document ID: US11029649B2 - Status: Granted - Kind: B2 - Application number: 16/084,140 - Filed: 2017-03-13 - Published: 2020-10-22 - Granted: 2021-06-08 - Earliest claimed: 2016-03-14 - Assignees: LVHM Swiss Manufactures SA - Applicants: LVMH Swiss Manufactures SA - Inventors: Guy Semon; Wout Johannes Benjamin Ypma; Sybren Lennard Weeke; Nima Tolou - Web page: https://patentgrep.com/patent/US11029649B2 ## CPC - G04B 17/32: Component parts or constructional details, e.g. collet, stud {, virole or piton} - G04B 18/02: Regulator {or adjustment} devices; Indexing devices {, e.g. raquettes} - G04B 15/06: Free escapements - G04B 17/045: {with oscillating blade springs (mechanical oscillations maintained by electro-magnetic means, e.g. tuning forks G04C3/10)} - G04B: MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS (spring- or weight-driven mechanisms in general F03G; electromechanical clocks or watches G04C; electromechanical clocks with attached or built-in means operating any device at pre-selected times or after predetermined time intervals G04C23/00; clocks or watches with stop devices G04F7/08) ## Abstract Device for timepiece comprising a monolithic mechanism which comprises a support and an inertial regulating member connected to the support by an elastic suspension. The elastic suspension comprises an elastic adjustment link having a first end adjustable relative to the support, so as to change the overall stiffness of the elastic suspension and therefore the oscillation frequency of the inertial regulating member. ## Claims ### Claim 1 A device for timepieces comprising a monolithic mechanism which comprises: a support; at least one inertial regulating member; an elastic suspension linking said at least one inertial regulating member to the support and having a specific overall stiffness; where said at least one inertial regulating member is suited to oscillate at a frequency f relative to the support; wherein the elastic suspension comprises an elastic adjustment link having a first end linked to said at least one inertial regulating member and a second end which is directly connected to the support by a frequency adjustment device suited to modify the position of the second end of said elastic adjustment link relative to the support, so as to change the overall stiffness of the elastic suspension and therefore said frequency f. ### Claim 2 (depends on 1) The device according to claim 1, wherein the frequency adjustment device includes a frequency adjustment member which is linked to the second end of said elastic adjustment link, where said frequency adjustment member is adjustable in position relative to the support so as to be able to deform said elastic adjustment link. ### Claim 3 (depends on 2) The device according to claim 2, wherein said frequency adjustment member is mounted movably relative to the support and comprises a blocking device suited to block the frequency adjustment member relative to the support. ### Claim 4 (depends on 2) The device according to claim 2, wherein the adjustment member and the support comprise facing indexes suited for visually assessing the position of the adjustment member relative to the support. ### Claim 5 (depends on 1) A clockwork movement comprising a device according to claim 1 and an energy distribution member. ### Claim 6 (depends on 5) A timepiece comprising a clockwork movement according to claim 5. ### Claim 7 A device for timepieces comprising a monolithic mechanism which comprises: a support; at least one inertial regulating member; an elastic suspension linking said at least one inertial regulating member to the support and having a specific overall stiffness; where said at least one inertial regulating member is suited to oscillate at a frequency f relative to the support; wherein the elastic suspension comprises an elastic adjustment link having a first end linked to said at least one inertial regulating member and a second end which is connected to the support by a frequency adjustment device suited to modify the position of the second end of said elastic adjustment link relative to the support, so as to change the overall stiffness of the elastic suspension and therefore said frequency f, wherein the frequency adjustment device includes a frequency adjustment member which is linked to the second end of said elastic adjustment link, where said frequency adjustment member is adjustable in position relative to the support so as to be able to deform said elastic adjustment link, wherein said frequency adjustment member is mounted movably relative to the support and comprises a blocking device suited to block the frequency adjustment member relative to the support, and wherein said blocking device comprises a screw. ### Claim 8 (depends on 7) The device according to claim 7, wherein said frequency adjustment member is connected to the support by an eccentric link suited to be blocked by said screw. ### Claim 9 A device for timepieces comprising a monolithic mechanism which comprises: a support; at least one inertial regulating member; an elastic suspension linking said at least one inertial regulating member to the support and having a specific overall stiffness; where said at least one inertial regulating member is suited to oscillate at a frequency f relative to the support, wherein the elastic suspension comprises an elastic adjustment link having a first end linked to said at least one inertial regulating member and a second end which is connected to the support by a frequency adjustment device suited to modify the position of the second end of said elastic adjustment link relative to the support, so as to change the overall stiffness of the elastic suspension and therefore said frequency f, and wherein the monolithic mechanism additionally comprises a pallet suited for engaging with an energy distribution member provided with teeth and intended to be urged by an energy storage device, where said pallet is controlled by said at least one inertial regulating member for uniformly and alternately blocking and releasing the energy distribution member, such that said energy distribution member moves stepwise under the urging of said energy storage device according to a repetitive movement cycle, and where said pallet is suited for transferring mechanical energy to at least one inertial regulating member during this repetitive movement cycle. ### Claim 10 (depends on 9) The device according to claim 9, comprising first and second inertial regulating members connected to each other so as to always have symmetrical and opposed movements, wherein: the first inertial regulating member controls the pallet, the second inertial regulating member controls a balancing member for moving said balancing member according to movements symmetrical and opposed to the pallet, and said elastic adjustment link comprises at least one of the first and second elastic parts, with the first elastic part connecting the second inertial regulating member to the balancing member and with the second elastic part connecting said balancing member to the frequency adjustment device. ### Claim 11 (depends on 10) The device according to claim 10, wherein the first and second inertial regulating members are mounted on the support in order to oscillate in translation in a first translation direction, the pallet and the balancing member are elastically mounted on the support in order to oscillate in translation in a second translation direction substantially perpendicular to the first translation direction, and the frequency adjustment device is suited for adjusting the position of the second end of the elastic adjustment link relative to the support at least parallel to the second translation direction. ### Claim 12 (depends on 11) The device according to claim 11, wherein each of the first and second inertial regulating members is mounted on the support by two elastic suspension branches substantially perpendicular to the first translation direction, where the pallet and the balancing member are respectively mounted on the support by two elastic suspension branches substantially perpendicular to the second translation direction. ### Claim 13 (depends on 11) The device according to claim 11, wherein said second elastic part of the elastic adjustment link comprises at least one U-shaped part, comprising two branches substantially parallel to the first translation direction, having free ends which are connected respectively to the frequency adjustment member and the balancing member. ### Claim 14 (depends on 10) The device according to claim 10, wherein the first and second inertial regulating members are connected to each other by a pivoting balancing lever. ### Claim 15 (depends on 10) The device according to claim 10, wherein the pallet and the balancing member are respectively linked to the first and second regulating members by first and second elastic drive branches. ### Claim 16 A device for timepieces comprising a monolithic mechanism which comprises: a support; at least one inertial regulating member; an elastic suspension linking said at least one inertial regulating member to the support and having a specific overall stiffness; where said at least one inertial regulating member is suited to oscillate at a frequency f relative to the support; wherein the elastic suspension comprises an elastic adjustment link having a first end linked to said at least one inertial regulating member and a second end which is connected to the support by a frequency adjustment device suited to modify the position of the second end of said elastic adjustment link relative to the support, so as to change the overall stiffness of the elastic suspension and therefore said frequency f, and wherein the mechanism extends along a median plane and the inertial regulating member substantially has an axial symmetry of order n about a central axis orthogonal to said median plane and fixed relative to the support, where n is an integer at least equal to 2, where said inertial regulating member comprises a number n of stiff portions connected to each other pairwise by n elastic coupling links, and where the elastic suspension comprises n elastic suspension links respectively connecting each stiff portion of the support. ### Claim 17 A device for timepieces comprising a monolithic mechanism which comprises: a support; at least one inertial regulating member; an elastic suspension linking said at least one inertial regulating member to the support and having a specific overall stiffness; where said at least one inertial regulating member is suited to oscillate at a frequency f relative to the support; wherein the elastic suspension comprises an elastic adjustment link having a first end linked to said at least one inertial regulating member and a second end which is connected to the support by a frequency adjustment device suited to modify the position of the second end of said elastic adjustment link relative to the support, so as to change the overall stiffness of the elastic suspension and therefore said frequency f, and wherein the frequency adjustment device comprises a frequency adjustment member mounted substantially adjustably by pivoting around a pivoting axis and having a main body extending between a first extremity located near the pivoting axis and a second extremity adjustable in position, where the frequency adjustment member additionally comprises a lever arm which extends from the first end to opposite from the second end, where the lever arm is linked to the second end of said elastic adjustment link, and where said lever arm is shorter than the main body of the frequency adjustment member.