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. 24, 2016
Filed:
Apr. 21, 2014
Applicant:
Eta SA Manufacture Horlogere Suisse, Grenchen, CH;
Inventors:
Laurent Klinger, Bienne, CH;
Thierry Conus, Lengnua, CH;
Assignee:
ETA SA Manufacture Horlogére Suisse, Grenchen, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 15/14 (2006.01); G04B 17/06 (2006.01); G04B 29/02 (2006.01);
U.S. Cl.
CPC ...
G04B 15/14 (2013.01); G04B 17/066 (2013.01); G04B 29/025 (2013.01);
Abstract
The invention relates to a timepiece movement including a resonator formed by the cooperation of a balance with a balance spring, said resonator being pivotally mounted between a bar and another part such as a bar or a main plate. According to the invention, the timepiece movement further includes a device preventing adhesion of said balance spring against said bar including a surface decreasing means formed on the bar for limiting the contact surface when the faces of said balance spring and of said bar touch each other.