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.
Patent No.:
Date of Patent:
Nov. 02, 2021
Filed:
Nov. 01, 2018
Applicant:
Montres Breguet S.a., L'Abbaye, CH;
Inventors:
Assignee:
Montres Breguet S.A., L'Abbaye, CH;
Primary Examiner:
Int. Cl.
CPC ...
G04F 7/08 (2006.01); G04B 27/00 (2006.01);
U.S. Cl.
CPC ...
G04F 7/0804 (2013.01); G04B 27/001 (2013.01); G04F 7/08 (2013.01); G04F 7/0809 (2013.01);
Abstract
A timepiece mechanism for returning the seconds hand to zero, which includes a seconds arbor; a seconds hand; a cam forming a snail cam path which extends in a spiral around the seconds arbor from an inner end to an outer end connected to each other by a radial stop surface; a hammer carrying a cam follower, rotatably mounted about a hammer axis between a disengaged position wherein the cam follower is removed from the cam path and an engaged position wherein the cam follower presses on the cam path; a retaining ratchet system including a toothed wheel and a click which engages with the toothed wheel.