192 clutches and power-stop control – Clutches – Operators
Patent
1991-10-25
1992-11-10
Braun, Leslie A.
192 clutches and power-stop control
Clutches
Operators
192 7017, F16D 314
Patent
active
051616602
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.
REFERENCES:
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patent: 4564097 (1986-01-01), Kabayama
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patent: 5009301 (1991-04-01), Spitler
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patent: 5038906 (1991-08-01), Minbu
Braun Leslie A.
Kontler Peter K.
LuK Lamellen und Kupplungsbau GmbH
Whitelaw Nicholas
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