Bi-directional back stopping clutch

Details Bi-directional back stopping clutch Bi-directional back stopping clutch

1989-11-02

1991-04-16

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 7, F16D 5112

Patent

active

050075110

ABSTRACT:
A bi-directional back stopping clutch having improved output pins connecting between brake shoes and an output member. During driving, the output pins transfer torque to the output member. When a sufficient back driving force is applied to the output member, the output pins skew to move the brake shoes into contact with a brake drum. The contact surfaces between the pins and the output member and between the pins and the brake shoes are rounded and the spacings between the contact surfaces are adjusted to provide a desired braking action. In one embodiment, the contact surface between each pin and the output member is of a smaller diameter than the contact surfaces between the pin and the brake shoes.

REFERENCES:
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patent: 4091900 (1978-05-01), Murteza
patent: 4245728 (1981-01-01), Murteza
patent: 4591029 (1986-05-01), DaFoe
patent: 4712550 (1987-12-01), Sinnett

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