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.

Date of Patent:
Jun. 01, 2021

Filed:

Aug. 17, 2018
Applicant:

The Swatch Group Research and Development Ltd, Marin, CH;

Inventors:

Gianni Di Domenico, Neuchatel, CH;

Dominique Lechot, Les Reussilles, CH;

Jerome Favre, Neuchatel, CH;

Baptiste Hinaux, Lausanne, CH;

Jean-Jacques Born, Morges, CH;

Jean-Luc Helfer, Le Landeron, CH;

Pascal Winkler, St-Blaise, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 31/00 (2006.01); G04B 17/04 (2006.01); G04B 17/28 (2006.01);
U.S. Cl.
CPC ...
G04B 31/00 (2013.01); G04B 17/045 (2013.01); G04B 17/28 (2013.01);
Abstract

Isochronous pivot for a resonator including two flexible strips joining attachment points of a first and a second element, defining two strip directions, and a pivot axis, at the intersection of their projections or at their intersection, each strip having a free length between its attachment points, and an axial distance between the pivot axis and the attachment point thereof farthest from the axis, the attachment point ratio X=D/L being greater than one for each strip, the strip directions defining with the axis a first apex angle whose value in degrees is comprised between f1(X)=108+67/(10X−6), and f2(X)=113+67/(10X−6).


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