Main clutch connecting system having a pilot clutch

Details Main clutch connecting system having a pilot clutch Main clutch connecting system having a pilot clutch

1994-02-25

1995-11-07

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Automatic

192 482, 192 93A, 475150, 475249, F16D 27115, F16H 4824

Patent

active

054640849

ABSTRACT:
A connecting system which includes a pilot clutch brought into an engaged state by an actuator, a cam member operated by an engaging force of the pilot clutch, an urging member driven and moved by the cam member, and a main clutch brought into an engaged state by a movement of the urging member. The cam member includes a first cam ring restrained by the pilot clutch, a second cam ring provided on the urging member, and rolling members interposed the first and second cam rings for converting the relative rotation of the cam rings into a thrust. The system further includes a biasing member for biasing the urging member and the first cam ring in a direction of abutment against each other in order to generate a frictional force between the urging member and the first cam ring. Thus, it is possible to prevent the engaging force of the main clutch from being influenced by a drag torque produced in the pilot clutch.

REFERENCES:
patent: 2933171 (1960-04-01), Kraeplin
patent: 2937729 (1960-05-01), Sperr
patent: 4068747 (1978-01-01), Snoy
patent: 4645049 (1987-02-01), Matsuda et al.
patent: 4836351 (1989-06-01), Janiszewski
patent: 5269730 (1993-12-01), Hirota
patent: 5326333 (1994-07-01), Niizawa et al.
patent: 5366421 (1994-11-01), Hirota

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