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:
Sep. 10, 2019
Filed:
May. 31, 2017
Rolex SA, Geneva, CH;
Olivier Balague, Fribourg, CH;
Dominique Gritti, Cortaillod, CH;
Thomas Gyger, Reconvilier, CH;
Ondrej Papes, Bâche, CH;
Antoine Rime, Nidau, CH;
ROLEX SA, Geneva, CH;
Abstract
An assembly () includes (i) a hairspring () made of a paramagnetic alloy including at least one of the following elements: Nb, V, Ta, Ti, Zr and Hf, notably an alloy including the elements Nb and Zr with between 5% and 25% by mass of Zr and an interstitial doping agent including oxygen, and (ii) at least one fastening part ('), notably two parts (′), in particular a stud () or a collet (′), for an end () of the hairspring (), the at least one part (′) having a first portion (′) that is designed to come into contact with the hairspring () and that is made of titanium or titanium alloy or of tantalum or tantalum alloy, notably grade 2 titanium or grade 5 titanium.