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. 10, 1992
Filed:
Oct. 25, 1991
Lothar Huber, Buhl/Altschweier, DE;
Luk Lamellen und Kupplungsbau GmbH, Buhl, DE;
Abstract
A clutch plate wherein the input member carries friction linings and the output member includes a flange which is connected to a hub by a first damper. A second or main damper has a set of weaker and a set of stronger coil springs which are received in windows of the carrier and flange. The carrier is provided with projections which are receivable in circumferentially extending recesses of the flange to limit the extent of movability of the carrier and flange relative to each other from a neutral position to either of two end positions which can be reached by turning the carrier and the flange in opposite directions or by turning the carrier or the flange relative to the flange or carrier in a clockwise or counterclockwise direction. The recesses are provided in weakened sections of the flange between neighboring windows for stronger and weaker springs. In order to avoid excessive stressing of such sections in the two end positions of the flange and carrier relative to each other, one group of projections engages abutments in the respective recesses in the first end positions and another group of projections engages different abutments in the respective recesses in the second end positions of the flange and carrier. In addition, a weakened section which is engaged by a projection and by a stressed relatively weak spring is not engaged by a stressed stronger spring, and a weakened section which is engaged by a stressed stronger spring is not engaged by a projection and/or by a stressed relatively weak spring.