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:
Aug. 22, 2017
Filed:
Oct. 23, 2012
Rolex S.a., Geneva, CH;
Jean-Louis Bertrand, Feigeres, FR;
Benoit Boulenguiez, Viuz-en-Sallaz, FR;
Thomas Cimprich, Renens, CH;
Raoul Behrend, Nyon, CH;
ROLEX SA, Geneva, CH;
Abstract
An oscillator () includes a spiral spring () made from a paramagnetic or diamagnetic material and an assembled balance wheel () having a shaft () on which the following elements are fitted: a balance wheel (), a plate () and a collet () rigidly connected with the spiral spring (). The maximum diameter (Dmax) of the shaft is less than 3.5, or even 2.5, or even 2 times the minimum diameter (D) of the shaft on which one of the elements is fitted, or the maximum diameter (Dmax) of the shaft is less than 1.6, or even 1.3 times the maximum diameter (D) of the shaft on which one of the elements is fitted.