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:
Apr. 26, 2016
Filed:
Nov. 14, 2013
Applicant:
Detra SA, Préverenges, CH;
Inventor:
Xuan Mai Tu, Ecublens, CH;
Assignee:
DETRA SA, Preverenges, CH;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 15/00 (2006.01); G04B 15/08 (2006.01); G04B 15/10 (2006.01); G04B 15/14 (2006.01);
U.S. Cl.
CPC ...
G04B 15/08 (2013.01); G04B 15/10 (2013.01); G04B 15/14 (2013.01);
Abstract
The invention relates to a timepiece fitted with a lever escapement wherein the end of contact angles βand βbetween the pallet stones and the escapement wheel are respectively higher than the locking-angles δand δof the two locking positions of the lever. This escapement requires neither adjustment nor final alteration of the position of the pallet stones.