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. 12, 2026
Filed:
May. 12, 2022
Applicant:
Rolex SA, Geneva, CH;
Inventor:
Xuan Mai Tu, Ecublens, CH;
Assignee:
ROLEX SA, Geneva, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 15/10 (2006.01); G04B 15/08 (2006.01); G04B 15/14 (2006.01);
U.S. Cl.
CPC ...
G04B 15/10 (2013.01); G04B 15/08 (2013.01); G04B 15/14 (2013.01);
Abstract
An escapement device for a mechanical timepiece having an escapement wheel cooperating with a rocker and a mobile element, the rocker cooperates with the escapement wheel by blocking arms and with the balance plate by a release fork, the mobile element having a spring cooperating with the teeth of the escapement wheel by a winding arm and with the balance wheel plate by an impulse arm. This space-saving escapement device is able to supply the balance wheel with an almost constant quantity of energy within a variable barrel torque range.