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:
May. 31, 2022
Filed:
Apr. 30, 2019
Applicant:
Rolex SA, Geneva, CH;
Inventor:
Denis Rudaz, Segny, FR;
Assignee:
ROLEX SA, Geneva, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 19/253 (2006.01);
U.S. Cl.
CPC ...
G04B 19/2536 (2013.01);
Abstract
A system () for a watch calendar includes: a first wheel (); a first finger () for driving the first wheel; a tooth () for driving the first wheel, the tooth being movably mounted on the first wheel () between a retracted position and a driving position; and a desmodromic system () having a cam () and a cam follower (), the desmodromic system being arranged in such a way that at least a first position of the cam defines a first position of the follower permitting the retraction of the tooth, and that at least a second position of the cam defines a second position of the follower preventing the retraction of the tooth.