G04B13/021

Horological display mechanism with elastic hand
11841685 · 2023-12-12 · ·

A horological display mechanism (10) with elastic hand (1), including means for driving barrels (2; 4) coaxial at the ends of a flexible blade (3), including a differential mechanism with an input frame (180) including an input toothing (182), free to rotate and carrying an intermediate wheel (103) and a satellite (101) meshing with each other, this satellite (101) including an eccentric finger (1010) traveling the track (105) of a fixed cam (104), and returned against it by the elasticity of the elastic hand (1), the input frame (180) including a shaft (185) carrying, coaxially, a first cannon-pinion (1020) including the first barrel (2) and a second cannon-pinion (1040) including the second barrel (4), the toothing (1049) of one of which meshes with the toothing (1039) of the intermediate wheel (103), and the toothing (1029) of the other one of which meshes with the toothing (1019) of the satellite (101).

TIMEPIECE RESILIENT HAND

A timepiece resilient hand with drive pipes at the ends thereof, including a display index which is at a variable distance from the pipes, and including flexible segments between each pipe and the index each with a web having a substantially constant section, at least one flexible segment thereof includes discontinuous elements projecting from the web thereof in a plane perpendicular to the axis of the pipes and defining, along this web, an alternation of sections, the stiffnesses thereof per unit of length are different from one another, and/or at least one web includes a succession of areas of opposite concavities, projecting on a plane perpendicular to the axis of the pipes

ORGAN FOR ELASTICALLY HOLDING A TIMEPIECE COMPONENT ON A SUPPORT ELEMENT
20210048781 · 2021-02-18 · ·

An elastic holding organ for fastening a timepiece component on a support element, including a rigid portion provided with an inner face including at least three deformable arms provided with free ends defining an opening into which the support element can be inserted, the arms being configured to perform a coupling with the support element by an elastic clamping in compression of this support element in the opening.

HOROLOGICAL COMPONENT INTENDED TO RECEIVE A MEMBER DRIVEN IN IT
20210063967 · 2021-03-04 · ·

Horological component (100) having a first opening (1) intended to receive a member (20) driven into the first opening, the component having an axis (A1; 1A1) centered in the first opening and at least two structures (10; 110) intended to receive the member, each comprising a receiving element (4b; 14b) intended to come into contact with the member and extending at least substantially orthoradially relative to the axis (A1; 1A1), a first connecting element (4c; 14c) extending at least substantially radially relative to the axis (A1; 1A1) from a first end of the receiving element, a second connecting element (4d; 14d) extending at least substantially radially relative to the axis (A1; 1A1) from a second end of the receiving element, a first elastically deformable element (4a; 14a) extending at least substantially orthoradially relative to the axis (A1; 1A1), and a second elastically deformable element (4a; 14a) extending at least substantially orthoradially relative to the axis (A1; 1A1), the first connecting element mechanically connecting the first end of the receiving element to the first elastically deformable element and the second connecting element mechanically connecting the second end of the receiving element to the second elastically deformable element.

HOROLOGY COMPONENT
20210088972 · 2021-03-25 · ·

A horology component based on a fragile material, wherein said component comprises at least one surface part of fragile material covered with a coating (10) comprising at least two layers CE of elastic material (11) separated by a layer CR of a material (12) stronger than the elastic material (11).

VARIABLE-GEOMETRY TIMEPIECE DISPLAY MECHANISM WITH RESILIENT HAND
20210026305 · 2021-01-28 · ·

A variable timepiece display mechanism includes a resilient hand with two drive pipes integral with a one-piece flexible strip includes a tip or an index, with a driver for driving the pivoting of the pipe, and a stressor for stressing the strip so as to vary the position of the tip relative to the axis of the pipes, which includes an accelerator or decelerator device arranged such that it accelerates, or stabilizes the speed of, or slows down the first pipe and/or the second pipe over at least part of the angular travel thereof, which includes a device with a first differential gear on the drive gear train of the first pipe and/or a second differential gear on the drive gear train of the second pipe, and at least one cam forming an input of a differential gear

Variable-geometry timepiece display mechanism with resilient hand
11860577 · 2024-01-02 · ·

A variable timepiece display mechanism includes a resilient hand with two drive pipes integral with a one-piece flexible strip includes a tip or an index, with a driver for driving the pivoting of the pipe, and a stressor for stressing the strip so as to vary the position of the tip relative to the axis of the pipes, which includes an accelerator or decelerator device arranged such that it accelerates, or stabilizes the speed of, or slows down the first pipe and/or the second pipe over at least part of the angular travel thereof, which includes a device with a first differential gear on the drive gear train of the first pipe and/or a second differential gear on the drive gear train of the second pipe, and at least one cam forming an input of a differential gear.

TIMEPIECE DISPLAY MECHANISM WITH A RESILIENT HAND

A timepiece display mechanism with a resilient hand including a first and second device for driving, about an output axis, a first and a second pipe mounted at the ends of a flexible strip, and including a display index distant from the pipes, these drive devices being arranged to deform the flexible strip, by varying the angular position of one pipe with respect to the other about the output axis, and to vary the radial position of the display index with respect to this axis, this mechanism includes a first differential on the drive train of the first pipe, one input of which is formed by a first cam, and a second differential on the drive train of the second pipe, one input of which is formed by a second cam.

Mechanical braking device for timepiece wheel set
10816933 · 2020-10-27 · ·

A timepiece mechanism includes a structure in which at least one arbor of a wheel set is pivoted about an axis of rotation and a braking device for the mechanical braking at constant torque of this arbor. The braking device includes a braking component which is removable with respect to the structure and includes, for attachment thereof to the structure, a solid felloe, which carries a plurality of resilient elements, regularly distributed around a common axis about which these resilient elements each have a contact area. The contact areas together defining an opening, arranged to engage, in a press fit with elastic gripping, with the arbor, to make the common axis coincide with the axis of rotation of the arbor, and to apply to the arbor a substantially constant tangential braking force.

MECHANICAL BRAKING DEVICE FOR A HOROLOGICAL MOBILE COMPONENT

A braking device (100), separate and remote from its guide members, having resilient strips (3; 31; 32) borne by a braking mobile component (10) trapped between a structure (1) and a bolt (6) and movable perpendicularly to the axis of a horological mobile component arbor (30), on which the strips bear, and either all of the bearing forces on the arbor (30) of the strips (3) are exerted within a single angular sector having a centre angle (a) of less than 180, or, opposite a first straight or convex strip (31) tangentially braking this arbor (30), a second strip (32) allows for relative mobility between the braking mobile component (10) and this arbor (30) in a direction of mobility (DM), the latter being: either parallel to the first resilient strip (31), or wavy and deformable perpendicularly to the direction of mobility (DM).