|8550701||Mechanical watch having constant spring force|
A mechanical watch comprises a motive spring in a first spring barrel and a mechanical and/or automatic winding device. A second spring barrel and a differential having three drive trains are provided, wherein the train connected to the winding device acts on the fi...
|8506157||Uncoupling device for a timepiece mechanism and a watch movement comprising the same|
A vertical type uncoupling device, in particular in an automatic watch winding mechanism that includes an oscillating mass and a gear train connecting the oscillating mass to a barrel (9), wherein a gear train includes a direction reverser device (11, 12
|8342740||Oscillating weight for an automatic winding watch, including a power reserve indicator device integrated in said oscillating weight|
The invention concerns an oscillating weight (1) for an automatic winding watch, including a power reserve indicator device (100) integrated in said oscillating weight (1) and including means (20) for displaying the power reserve by compa...
|7350966||Watch including at least two regulating systems|
The invention concerns a watch with a mechanical movement of the type comprising at least two regulating systems (SR1, SR2) each including a mechanical oscillator and an escapement. The movement includes as many sub-assemblies (SE1, SE2) ...
|7347618||Automatic pawl winding mechanism|
An automatic pawl winding mechanism for a watch movement has a rotor solidly attached to a rotor wheel and oscillating about the axis of a rotor pivot, a pawl wheel to which an oscillating motion of rotor is transmitted by the rotor wheel being pivoted about the axi...
|7287901||Reverser mechanism for uni-directional rotational driving of a wheel set|
The mechanism includes, mounted to rotate freely on an arbour 6, a driving wheel (5) driven by an oscillating drive pinion (3) and a driven wheel (7) meshed with the first wheel set (1) of a kinematic chain and comprising a dome (
An oscillating weight for an automatic watch is arranged to carry a bearing defining an axis of rotation (A—A) and is intended to be mounted on the frame of the watch. The mass member of the weight has a center of gravity (G) shifted with respect to the axis of ro...
|7011322||Automatic transmission with stepless, continuously variable speed and torque ratio|
An automatically and smoothly continuously variable transmission, particularly for a bicycle, for transmitting input mechanical energy from a crank to the drive wheel. A ratchet, having an oscillatory, alternating motion member and a continuous rotary motion member,...
|6939034||Mechanism for the transmission of axial and rotative movements between two offset axles|
The mechanism for transmission of axial and rotative movements between two portions of a stem with offset axes, includes a movable assembly movable axially. The section portion of the stem carries a second pinion and is pivoted on said movable assembly but it is axi...
A movement 100 of a self-winding watch has a main plate 102, a train wheel bridge 104, a center wheel bridge 106, a third wheel bridge 107 and a transmission bridge 108. An oscillating weight 160 is rotatably attached to a third bridge 107. A first transm...
|6441516||Shockproof device for a power generator with an oscillating weight|
The device includes a barrel (2) inserted in the kinematic chain between the rotor (11) of the generator (1) and the oscillating weight (3). The barrel includes a spiral coiled spring (4) and a sliding strip (6), wound in the same direction as the spiral ...
|6023446||Timepiece comprising a generator driven by the main spring of a barrel|
A timepiece comprising a generator (1) for generating a supply voltage of a first predetermined value U1, a barrel with a spring (5, 6), a winding mechanism (5') and a set of hands (7 to 9). The electronic circuit (11, 12) of the timepiece requ...
|6021098||Device for limiting the acceleration of an oscillating weight driving a mechanism of small volume|
A device for limiting the acceleration which an oscillating weight (1) used to drive or wind a power generator powering an instrument of small volume, can undergo, includes a bearing raceway (2) against which such weight abuts when it undergoes an acceler...
An automatic watch, a complete barrel 30 is disposed on the side opposite from the dial of a main plate 22, i.e. on the front side, and has the center of rotation thereof within a first domain 310 or a fourth domain 340 of the main plate 22. An escape whe...
|4809250||Reverser mechanism for an automatic winding arrangement|
In this reverser mechanism the winding wheel is assembled on a common axis with two ratchet wheels each assigned to one of the pivoting direction of the oscillating mass. The winding wheel is pierced by rivets which bear respectively a pawl and a spring. ...
|4500213||Ultra-flat self-winding watch|
The watch has a winding weight comprising an arm 10a and an oscillating mass 10b. The arm is mounted for pivotal movement about the axis of a toothed ring 12 by way of which the spring barrel 20 is kept wound and which axis is offset with respect to the w...
|4213293||Receiving unit for timepieces|
A receiving unit for timepieces, especially an improved receiving unit for a self-winding mechanism of self-winding timepieces. The receiving unit comprises guide portions and springs which are formed together as a unitary structure using resin....
|3999371||Automatic winding device for a watch movement|
An automatic winding device for a watch movement includes two frame elements secured to one another to form a unit. The elements support between them a gear train, a pinion, a winding weight integral with the pinion, a lever, a wheel borne by the lever an...
|3952498||Automatic barrel winding mechanism|
An automatic barrel winding mechanism of the unidirectional type in which the main feature resides in a substantially reduced torque ratio : 0.5 - 1.1 in combination with a substantially reduced reduction ratio : 1/60 - 1/126 of the barrel winding gear tr...
|3942317||Component parts for watch movements|
Component parts for watch movements which consist of a plastic body shaped by molding with heavy metal particles dispersed throughout to produce a component part having a specific gravity of more than 7....