Balance wheel-spring assembly of timepiece

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10061269
APP PUB NO 20170269552A1
SERIAL NO

15505270

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A balance wheel-spring system including a balance wheel that oscillates about a balance wheel shaft and a spring, one inner spiral of which is fixed to the balance wheel shaft or to a collet mounted integrally with the shaft and one outer spiral of which is fixed to a stud integral with a bridge. The balance wheel includes a hub, a rim, an arm connecting the hub to the rim, a front face which includes a countersink and a rear face, the arm including a housing receiving and retaining a flyweight, and the spring being mounted opposite the front face of the balance wheel. The flyweight is mounted on the arm on the rear face of the balance wheel, the distance between the bottom of the countersink of the front face of the balance wheel and the spring is a predetermined interval between 0.05 mm and 1.50 mm.

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Patent Owner(s)

  • NIVAROX-FAR SA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Graf, Emmanuel Le Locle, CH 15 108
Stranczl, Marc Nyon, CH 88 229

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