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:
Jun. 09, 2015
Filed:
Jun. 07, 2012
Applicant:
Xuan Mai Tu, Ecublens, CH;
Inventor:
Xuan Mai Tu, Ecublens, CH;
Assignee:
DETRA SA, Préverenges, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G04B 15/02 (2006.01); G04B 15/14 (2006.01); G04B 15/04 (2006.01);
U.S. Cl.
CPC ...
G04B 15/14 (2013.01); G04B 15/04 (2013.01);
Abstract
Escapement device of a timepiece movement includes an escapement wheel, a first mobile having means of locking with the escapement wheel and of mechanical transmission with the escapement wheel, a second mobile and the balance roller. The second mobile has means of locking with the escapement wheel and means of mechanical transmission with the escapement wheel and the first mobile. The mobiles are driven by the escapement wheel tangentially.