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| Number | Title | Issue Date |
| 7832924 | Timepiece A timepiece having a mainspring, an output wheel that is rotated by torque output from the mainspring, a lever that pivots synchronously to the output wheel, and a pressure member that pushes the lever. The pressure member pushed the lever so that the output torque ... | 11/16/2010 |
| 7780342 | Spring device and timepiece A spring device having an inside-end wheel that moves in conjunction with the inside end of a mainspring; an outside-end wheel that moves in conjunction with the outside end of the mainspring; a torque return unit that transfers part of the output torque of the main... | 08/24/2010 |
| 7753581 | Spiral spring made of athermal glass for clockwork movement and method for making same The balance spring is made from a photostructurable glass plate by UV irradiation, thermal treatment and etching, said glass having a Young's modulus thermal coefficient CTE0. The value CTE0 of selected zones of the balance spring are altered t... | 07/13/2010 |
| 7452123 | Watch movement comprising several barrels A watch movement with a mechanical source of energy is provided. In one implementation, the watch movement comprises a frame intended to support moving parts and defining upper and lower faces. The distance between the upper and lower faces may define a movement thi... | 11/18/2008 |
| 7357568 | Running reserve indicator for a mechanical clockwork A running reserve indicator is provided for a mechanical clockwork provided with a main barrel for driving a gear-train and at least a second barrel for driving a gear-train allocated to an auxiliary function which is performed during a determined period. With the i... | 04/15/2008 |
| 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) ... | 04/01/2008 |
| 7322742 | Timepiece with a striking mechanism comprising a single barrel The invention proposes a timepiece including a motion work (12) which drives analogue display means (14) and a strike train (16) which drives a striking mechanism (18), wherein the motion work (12) is driven in rotation by a barrel... | 01/29/2008 |
| 7318669 | Spring-barrel arrangement for a timepiece A spring-barrel arrangement for a timepiece includes a fixed plate-like component with a circular cutout. A spring barrel is rotatably mounted in said circular cutout by its corresponding circular outer contour. A barrel core is coaxially rotatably mounted relative ... | 01/15/2008 |
| 7316504 | Mechanically regulated timepiece The invention concerns a timepiece with mainspring of the so-called fly tourbillon type, the tourbillon having a balance bridge (2) forming a cage with a collet (1) and a single protruding ball bearing (5) supporting said so-called fly tourbillo... | 01/08/2008 |
| 7307922 | Stopwatch and watch A timepiece having basic timepiece pointers, chronograph information pointers, a mechanical energy storage section, a train wheel, a power generator, and a control section. The basic timepiece pointers are rotated to indicate the standard time. The chronograph infor... | 12/11/2007 |
| 7274624 | Timepiece with power-reserve indication The invention concerns a timepiece including a mechanical power source (1) coupled, on the one hand, to first means (5) displaying time related information and, on the other hand, to a generator (2), a regulator circuit (6) for enslaving ... | 09/25/2007 |
| 7192181 | Timepiece including a mechanism for triggering a time-related function and simultaneous winding of a barrel spring The invention concerns a timepiece component comprising a watch movement provided with a main barrel acting as power source for a timekeeping device of the watch movement and an auxiliary barrel designed to supply mechanical power to an additional device, and mechan... | 03/20/2007 |
| 7170825 | Power reserve display mechanism and mechanical timepiece having the same To provide a power reserve display mechanism having a mainspring remaining amount display showing a novel behavior and a mechanical timepiece having the same. A power reserve display mechanism of a mechanical timepiece includes a displacement conversion mechanism ha... | 01/30/2007 |
| 7170827 | Timepiece, having bearing portion formed of resin and wheel train The invention relates to a timepiece which has a resin bearing section. Moreover, the invention relates to a wheel train apparatus which has a resin bearing section. The invention is constituted by the timepiece provided with a gear wheel and supporting members whic... | 01/30/2007 |
| 7167420 | Timepiece including base plate formed of resin and wheel train The invention relates to a timepiece which has a resin substrate, rotors, and wheel trains, and relates to a wheel train apparatus which has a resin substrate, bearing members, gear wheel, and the like. The invention is constituted by a timepiece comprising; a gear ... | 01/23/2007 |
| 7085199 | Watch movement Watch movement comprising a housing (26, 28, 30, 32, 34) and a gear train, formed from a series of spindles (36, 38, 40, 42), pivotably mounted on the housing, of which a first of said spindles (42) is provided with a shank (42a), ... | 08/01/2006 |
| 7077562 | Watch hairspring and method for making same The invention relates mainly to a hairspring intended to equip the balance wheel of a mechanical timepiece. It is in the form of a spiraled rod (10) cut from an {001} single-crystal silicon plate. Its structure and its dimensions are calculated so as to minim... | 07/18/2006 |
| 7018092 | Spiral spring for time measuring device A spiral spring for use in connection with horology instruments is disclosed which includes a spiral spring and a collet which are produced in one piece without molecular discontinuity. ... | 03/28/2006 |
| 7016265 | Timepiece having a mechanical movement associated with an electronic regulator There is disclosed a timepiece having a mechanical clockwork-movement (10) driven by a barrel spring (14) and provided with a mechanical regulator, with a balance and a balance spring, which is associated, via electromagnetic coupling, with an electron... | 03/21/2006 |
| 6863435 | Spring, mainspring, hairspring, and driving mechanism and timepiece based thereon A mainspring used as a power source for a driving mechanism is made of an amorphous metal sheet, and has an S-shaped free-exploded shape. The curvature changing point, where the curving direction of the free-exploded shape changes is formed on the inner end side of ... | 03/08/2005 |
| 6843594 | Spring, power spring, hair spring, driving mechanism utilizing them, and timepiece A mainspring used as a power source for a driving mechanism is made of an amorphous metal sheet, and has an S-shaped free-exploded shape. The curvature changing point where the curving direction of the free-exploded shape changes is formed on the inner end side of a... | 01/18/2005 |
| 6826124 | Timepiece with power reserve indication The present invention concerns a timepiece including a barrel, a spring housed in the barrel, time display members mechanically coupled to said barrel, an electric energy generator also coupled to said barrel, and a regulator circuit for enslaving the frequency of s... | 11/30/2004 |
| 6612734 | Mechanical timepiece with stud adjustment mechanism A mechanical timepiece movement has a mainspring serving as a power source, a wheel train rotated by a rotational force produced by the mainspring for driving a display, and an escapement and speed control apparatus for controlling rotation of the wheel t... | 09/02/2003 |
| 6587401 | Anti-shock transmission device for driving a generator by an oscillating weight in particular in a watch The transmission device disclosed is inserted between a rotating oscillating weight and an electric micro-generator in order to drive the generator rotor from the oscillating weight by multiplying the rotational speed. Its intermediate wheel and pinion in... | 07/01/2003 |
| 6554468 | Mechanical timepiece with timed annular balance rotating angle control mechanism A mechanical time piece has a mainspring for generating a rotational force and a front train wheel for undergoing rotation in accordance with a rotational force generated by the mainspring. An escapement and speed control apparatus controls rotation of th... | 04/29/2003 |
| 6520674 | Mechanical timepiece with posture detector A mechanical timepiece has a mainspring for generating a rotational force and a front train wheel for undergoing rotation in accordance with a rotational force generated by the mainspring. An escapement/speed-control device for controlling rotation of the... | 02/18/2003 |
| 6367966 | Timepiece A fourth wheel 8 disposed in a torque transmission path and to which a second hand is mounted includes a pinion 8a and a gear 8b. Therefore, when the gear 8b engages a fifth-wheel first intermediate wheel 9, the diametrical dimension from a center of rota... | 04/09/2002 |
| 6194878 | Electronic speed control circuit The electronic circuit allows the control or regulation of the speed of rotation of a microgenerator (1) in a watch movement. The electronic circuit includes two inputs (G-, G+) connected to said microgenerator, a quartz oscillator (3, 4), an energy-dissi... | 02/27/2001 |
| 6169709 | Watch movement A timepiece movement proposed has a spring which drives, via gearing, a time display and a generator (1) supplying an a.c. voltage. The generator (1) powers, via a voltage-transformer circuit (2), a first capacitative component (10). The first capacitativ... | 01/02/2001 |
| 6113259 | Electronic timepiece supplied by a generator driven by a mechanical power source The timepiece (1) includes a mainspring (2) driving the rotor (3a) of an electromechanical converter (3) and time display hands (6). A circuit (7) for enslaving the real angular position of the rotor (3a) to its desired angular position is supplied with e... | 09/05/2000 |
| 5881027 | Timepiece movement The timepiece movement proposed has a spring which drives, via gearing, a time display and a generator (1) supplying an a.c. voltage. The generator (1) powers, via a voltage-transformer circuit (2), a first capacitative component (10). The first capacitat... | 03/09/1999 |
| 5828628 | Timepiece comprising a mechanism driven by mechanical driving means and a power reserve indicating device Timepiece comprising a mechanical movement which includes a barrel (8) driving a mechanism formed by a gear train, said timepiece comprising a device for indicating the power reserve comprising a resilient element (6) rotatively coupling in a mechanical m... | 10/27/1998 |
| 5751666 | Electronic timepiece comprising a generator driven by a spring barrel The integrated circuit (11) of this timepiece comprises means (16, 17, 18) for comparing the frequency of a time base (12, 13) to the frequency of the generator (1). The error signal thereby generated is examined by a wired logic (20) allowing verificatio... | 05/12/1998 |
| 5699322 | Timepiece having a power reserve indicator This timepiece comprises a barrel (1), a spring (1a), hands (5) and an electric energy generator (2) intended to provide, by way of a rectifier (4) a continuous voltage to a regulating circuit (6). This regulating circuit controls the speed of the generat... | 12/16/1997 |
| 5539708 | Spring-barrel supplying constant torque The mainspring (3) is coiled inside a barrel at an angle =n2π radians. The spring has a rectangular section of a constant width. At least one first portion of the spring extending from the wall (2) of the barrel towards the core (5) has an increas... | 07/23/1996 |
| 5517469 | Timepiece driven by a source of mechanical energy and regulated by an electric circuit The hands of the timepiece are connected to a barrel spring which also drives the rotor of a generator at a speed greater than a desired speed Vc. The electric energy supplied by the generator energizes a slaving circuit that includes a transistor which s... | 05/14/1996 |
| 5377171 | Timepiece movement including two opposed analog displays The movement, of the conventional type with barrel (10) and spring balance, includes two time displays with hands, the hands (3m, 3h, 3s) of one of the displays, arranged opposite one of the principal faces (1) of the movement, being driven in rotation in... | 12/27/1994 |
| 5278807 | Extra-thin watch movement A manually or automatically wound extra-thin watch movement, comprising at least one barrel (3) and in which all the wheel sets are assembled in cantilever on one sole base plate (1) with the help of one ball bearing only (15 to 21). The ratchet (25) is i... | 01/11/1994 |
| 4776574 | Seat belt retractor rewind spring assembly This invention relates to an improved seat belt retractor rewind spring assembly. In accordance with this invention, a rewind spring assembly is provided having the "bridling" effect wherein the coiled flat strip spring is retained by a spring cap which e... | 10/11/1988 |
| 4664531 | Downhole clock spring A downhole clock spring in the form of an elongate ribbon comprising means connecting one end to a mandrel for driving an escapement, means connecting the other end to a case, the ribbon spring being characterized in that the ribbon is split substantially... | 05/12/1987 |
