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:
Nov. 27, 1990
Filed:
Nov. 23, 1988
Applicant:
Inventors:
Jacky Naudin, Ermont, FR;
Christian Gay, Paris, FR;
Assignee:
Valeo, Paris, FR;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
192 / ; 192 7027 ; 267161 ;
Abstract
The present invention relates to annular diaphragm springs for use in clutches and speed changers for automobile vehicles, of the kind having radial fingers separated by orifices alternating with the fingers. According to the invention at least two fingers are each equipped with a fold delimiting a lateral part of the orifice. This stiffens the fingers without increasing the thickness of the diaphragm.