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:
Jul. 02, 1996
Filed:
Apr. 27, 1995
Applicant:
Inventors:
Jean-Luc Beguin, Cormondreche, CH;
Pierre Haefeli, Saules, CH;
Assignee:
Eta SA Fabriques d'Ebauches, Grenchen, CH;
Primary Examiner:
Int. Cl.
CPC ...
G04B / ; H01M / ;
U.S. Cl.
CPC ...
368 64 ; 368204 ; 320 21 ;
Abstract
A coupling device (1) between a source of mechanical energy (2) and a generator of electrical energy (3) comprises an arbor (4) driven by said source of mechanical energy, a cylindrical element (5) fixedly and coaxially mounted on the arbor, a tube (6) surmounting said cylindrical element arranged to rotate freely about said arbor and drive said generator. A helical spring (7) is friction-fitted on the cylindrical element and on the tube by its first turns (8) and last turns (9) respectively. A space (10) is provided between said tube and cylindrical element and the central turns (11) of the spring (7).