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:
Sep. 26, 2023

Filed:

Mar. 02, 2020
Applicant:

Eta SA Manufacture Horlogere Suisse, Grenchen, CH;

Inventor:

Julien Christan, Bienne, CH;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 3/10 (2006.01); G04B 13/02 (2006.01);
U.S. Cl.
CPC ...
G04B 3/10 (2013.01); G04B 13/023 (2013.01);
Abstract

A horological torque limiting mechanism, including a first wheel with a first elastic arm projecting from a first felloe, a second wheel including a second surface to engage in frictional pressure with the first wheel for the relative actuation thereof, a travel limiter fastened to a structure to hold the first and second wheels in frictional pressure in certain angular positions, the second wheel and/or the travel limiter and/or the structure including a relief forming a ramp, to, in certain angular positions relative to the first wheel, engage in frictional pressure with the first elastic arm, and, in further positions, allow a frictionless travel between the first wheel and the component bearing the relief, the second wheel includes a second arm forming a ramp projecting from a second felloe.


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