Timepiece barrel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9471036
APP PUB NO 20150220059A1
SERIAL NO

14419573

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A timepiece barrel for pivotal assembly between a plate and a bar and including at least one spring housed between a pivoting drum and a cover and hooked between, at the outer end thereof, the drum and at the inner end thereof, an arbor which pivots integrally with a ratchet about a pivot axis. The barrel includes a one-piece sub-assembly coaxial to the arbor and including the arbor and a boss including a collar for limiting axial shake of the drum, the collar carrying pivotal drive mechanisms for driving pivoting of the ratchet which is axially free in a direction of the pivot axis.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
ETA SA MANUFACTURE HORLOGERE SUISSESCHILD-RUST-STRASSE 17 GRENCHEN 2540

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kaelin, Laurent Sonvilier, CH 54 249
Queval, Arthur Lutry, CH 22 56
Vautherot, Martin Publier, FR 4 4

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