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:
Oct. 30, 2018
Filed:
Oct. 22, 2013
Applicant:
Nivarox-far S.a., Le Locle, CH;
Inventors:
Assignee:
Nivarox-FAR S.A., Le Locle, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04D 7/08 (2006.01); G04B 17/06 (2006.01);
U.S. Cl.
CPC ...
G04D 7/087 (2013.01); G04B 17/06 (2013.01); Y10T 29/49581 (2015.01);
Abstract
A method of setting inertia of and/or poizing a timepiece sprung balance assembly including: manufacturing a balance and a balance spring irreversibly assembled to each other; fixing an outer coil of the balance spring in position in a tamperproof manner to a balance spring stud which is immobilized in a tamperproof manner by irreversible attachment to a balance cock; determining a peripheral surface of the balance, every point of which is remote from the balance spring by a first predefined distance; performing a re-machining operation only on the peripheral area.