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:
Feb. 28, 1984
Filed:
Nov. 25, 1981
Applicant:
Inventors:
Pierre Loizeau, Ville D'Avray, FR;
Roger Carmillet, Paris, FR;
Assignee:
Valeo, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
1921062 ; 1921061 ; 192 7017 ; 464 81 ; 464 68 ;
Abstract
A torsional damper suitable for use in a friction clutch plate for an automotive vehicle comprises a hub and a disk mounted so as to rotate relative to one another against the action of springs. An intermediate member responsive to centrifugal force moves reversibly between a standby position and an operative position, in order to modify the operating characteristics of the damper. The intermediate member modifies these characteristics in its standby position, and can occupy either of two operative positions, in one of which it has no effect on and in the other of which it also modifies the aforementioned operating characteristics.