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:
Feb. 17, 2015
Filed:
Aug. 22, 2013
Applicant:
Audemars Piguet (Renaud ET Papi) SA, Le Locle, CH;
Inventors:
Sylvain Cornibé, Les Combes, FR;
Eddy Valladon, Paris, FR;
Assignee:
Audemars Piguet (Renaud et Papi) SA, Le Locle, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 1/16 (2006.01); G04B 1/22 (2006.01); G04B 9/00 (2006.01);
U.S. Cl.
CPC ...
G04B 1/16 (2013.01); G04B 1/22 (2013.01); G04B 9/00 (2013.01);
Abstract
A mechanical timepiece movement, including a spiral spring, a barrel, the spiral spring accommodated in the barrel as an energy storage, the barrel transmitting energy of the spiral spring by a gear train to an oscillator, the oscillator including a balance as a regulating device, and a mechanism configured to reduce a torque generated by the barrel to reduce loss of energy stored in the spiral spring.