The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 14, 2016

Filed:

Oct. 21, 2013
Applicant:

Eta SA Manufacture Horlogere Suisse, Grenchen, CH;

Inventors:

Laurent Kaelin, Sonvilier, CH;

Arthur Queval, Lutry, CH;

Martin Vautherot, Publier, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 1/16 (2006.01); G04B 1/14 (2006.01); G04B 1/18 (2006.01);
U.S. Cl.
CPC ...
G04B 1/16 (2013.01); G04B 1/145 (2013.01); G04B 1/18 (2013.01);
Abstract

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 the drum at an outer end thereof and an arbor at an inner end thereof, the arbor pivoting integrally with a ratchet about a pivot axis. The barrel includes a one-piece sub-assembly coaxial to the arbor and including, about a boss, at least the ratchet and/or the arbor, and the guide arbor in the plate is fitted into the boss which is integral with the ratchet, the boss forming the guide member in the bar, making it possible to assemble the bar and plate with subsequent attachment of the arbor.


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