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:
Jan. 26, 2021
Filed:
Jun. 20, 2018
Applicant:
The Swatch Group Research and Development Ltd, Marin, CH;
Inventors:
Assignee:
The Swatch Group Research and Development Ltd, Marin, CH;
Primary Examiner:
Int. Cl.
CPC ...
G04B 37/10 (2006.01); G04B 37/02 (2006.01);
U.S. Cl.
CPC ...
G04B 37/10 (2013.01); G04B 37/02 (2013.01); G04B 37/103 (2013.01); G04B 37/106 (2013.01);
Abstract
A safety valve for a watch including a head that is movably mounted on a tube and able to move between an open position and a closed position, the tube including in its internal volume a first spring and wherein the tube is provided on an external face with a cam surface allowing a manual movement and an automatic movement of the head into its open position, after the first spring, the tube includes a second spring having a higher stiffness than that of the first spring.