Class 368/144 - With attachment means for spring

Subclass of Class 368 - Horology: time measuring systems or devices
Definition: Subject matter including means connecting the mainspring
No. of patents: 4
Last issue date: 04/03/2012

Number	Title	Issue Date
8147127	Fixation of a spiral spring in a watch movement A method is disclosed for making an isochronous balance-wheel-and-spring assembly for a horological movement in which one spring out of a series of springs is paired with a balance wheel. The spring has characteristics that vary by comparison with other springs of t...	04/03/2012
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
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
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 ...	08/27/2002

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