Directional clutch

Details Directional clutch Directional clutch

2005-12-13

2005-12-13

Lorence, Richard M. (Department: 3681)

192 clutches and power-stop control

Clutches

Automatic

C192S044000, C192S085060

Reexamination Certificate

active

06974011

ABSTRACT:
A bi-directional clutch permits the unidirectional transfer of torque between inner and outer races in either direction of rotation, depending on how the clutch is set. The outer race has a cylindrical raceway presented inwardly toward the inner race, whereas the inner race has recesses presented outwardly toward the raceway in the outer race. Each recess has ramps which converge and each contains a cylindrical roller. The rollers fit into pockets in a cage, with the fit being quite close so that the circumferential position of the cage relative to the inner race controls the position of the rollers in the recesses of the inner race. The inner race carries actuators which operate against the rollers in two different pockets, one to prevent the rollers from moving up the ramps presented in one circumferential direction and the other to prevent the rollers from moving up the ramps presented in the other circumferential direction.

REFERENCES:
patent: 1807035 (1931-05-01), Herman
patent: 2172653 (1939-09-01), Flogaus
patent: 3054488 (1962-09-01), General et al.
patent: 4114478 (1978-09-01), Clauss
patent: 5131285 (1992-07-01), Weismann et al.
patent: 5638929 (1997-06-01), Park
patent: 6132332 (2000-10-01), Yasui
patent: 6206164 (2001-03-01), Kurita
patent: 6244965 (2001-06-01), Klecker et al.
patent: 10181376 (1998-07-01), None
patent: 01112272 (2001-02-01), None
patent: 0171215 (2001-09-01), None

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