Class 368/175 - By hairspring

Subclass of Class 368 - Horology: time measuring systems or devices
Definition: Subject matter comprising a coiled spring which is used
No. of patents: 26
Last issue date: 08/23/2011

Number	Title	Issue Date
8002460	Hairspring for a balance wheel/hairspring resonator Hairspring for a balance wheel/hairspring resonator, comprising n blades, where n≧2, which are fastened via at least one of their respective homologous ends and wound in spirals with an angular offset capable of neutralizing the lateral forces liable to be exerted...	08/23/2011
7950847	Breguet overcoil balance spring made of micro-machinable material The invention relates to a Breguet overcoil balance spring (1) that includes a hairspring (3) mounted in a single part, made of micro-machinable material, and coaxially with a collet (5). According to the invention, the balance spring has a term...	05/31/2011
7726872	Balance wheel, balance spring and other components and assemblies for a mechanical oscillator system and methods of manufacture The application discloses a method of making a balance spring (100) from continuous fibers or ceramic by winding them around a cylindrical former (90), interspaced with a releasing agent (110). Also disclosed is a method of making a balance spri...	06/01/2010
7350967	Speed control mechanism and mechanical timepiece having the same A speed control mechanism has a balance with hairspring mounted to undergo oscillation movement and a regulator structure for adjusting a position of the balance with hairspring. The regulator structure is formed of a nonmagnetic material to prevent reduction of an ...	04/01/2008
7344302	Control member with a balance wheel and a planar spiral for a watch or clock movement A regulating device including a balance (1) and a plane hairspring (2) for a time piece movement, the plane hairspring (2) including a stiffened portion (8) in its outer turn (7) that is arranged to cause the deformations of the tu...	03/18/2008
7293913	Balance-spring with altered outer curve The balance-spring (1) includes a plurality of coils (3) of which the end (6, 8) of the outer curve (2) is rigidified by deformation in order to define accurately the setting point (7) of said balance-spring, said deformation being...	11/13/2007
7237945	Oscillating system for mechanical timepiece An oscillating system for a mechanical timepiece includes an annular balance wheel arranged in a fixed manner coaxially in relation to a rotatably mounted balance staff. A helical spring encloses the balance staff and has its inner end fastened on the balance staff ...	07/03/2007
7229208	Bi-material self-compensating balance-spring The balance-spring is formed by a first assembly, comprising the coils (3) and the outer curve (2), made in a first material such as Elinvar having an elastic torque that is insensitive or almost insensitive to elongation, temperature and magnetic fiel...	06/12/2007
7213966	Collet without deformation of the fixation radius of the balance-spring and manufacturing method of the same The collet is formed by a metal band (10) whose inner contour (11) delimits the recesses (11a, 11b, 11c) for driving the collet onto a balance staff (2) and whose outer contour (12) includes a fun...	05/08/2007
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
7070321	Antitripping device for watch-escapement The anti-trip device is for a detent escapement mounted on a wristwatch. It includes a finger fixed to the arm of the balance, two columns between which the finger can pass, said columns being secured to the balance bridge, and a locking arm fixed to the outer coil ...	07/04/2006
7059764	Device for the fine adjustment of a balance wheel/hairspring In order particularly to put a watch into beat and adjust the isochronism, in addition to the poising screws (2a, 2b) of the balance (1) and the fine adjusting screw (7) pressing on the index tail 20a to alter ...	06/13/2006
7036977	Precision regulating device A precision regulating device for the regulator pointer of a timepiece includes a balance cock and an index regulator mounted on the balance cock such that the index regulator is pivotable about a regulator axis. A hairspring key arranged on the index regulator at a...	05/02/2006
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
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
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
6609822	Rate adjusting method of mechanical timepieces According to a rate adjusting method, the movement of a mechanical timepiece is first assembled. The assembled movement is then disposed in a vertical position, and the rate is measured with respect to a plurality of vertical positions. On the basis of th...	08/26/2003
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
6431746	Mechanical timepiece with timed annular balance rotating angle control mechanism A mechanical timepiece has a power source comprised of a mainspring for undergoing rewinding movement to generate a rotational force. A front train wheel undergoes rotation in accordance with a rotational force generated during rewinding movement of the m...	08/13/2002
5907524	Method for manufacturing a balance-spring obtained according to said method A method for manufacturing a balance-spring for a clockwork movement wherein a spring is formed by winding, from a wire or metal strip, said spring including an inner end intended to be fixed to a balance and a outer end zone intended to be fixed to the b...	05/25/1999
3958410	Termination device from hairspring-hub to drive coil on two conductor hairspring The termination arrangement comprises a two conductor hairspring and/or hub arrangement in an electric watch for coupling drive pulses to a balance wheel drive coil. A metallic hairspring, which is fastened to the hub, has a conductor which is insulated f...	05/25/1976
3950938	Two conductor hairspring-hub arrangement for electric watches The two conductor hairspring-hub arrangement comprises a metallic and substantially conventional hairspring which is fastened to a unitary hub, i.e. a metallic washer-like hub, to form a core or inner conductor. This inner conductor is sheathed with an in...	04/20/1976
3943701	Regulator and balance bridge arrangement for a horological device A horological device with a conventional balance wheel assembly, supporting bridge and hairspring with an adjustable regulator for the hairspring. The improvement comprises means for pinning the end of the hairspring to the bridge and a special bridge ext...	03/16/1976
3934403	Fixation of double conducting hairspring The invention comprises an improved hairspring arrangement having a hairspring fixed in a groove of the hub in such a way that the hairspring protrudes from the groove, and furthermore, the protruding part of the hairspring should carry the electric condu...	01/27/1976

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Class 368/175 - By hairspring