Actuated spring clutch assembly

Details Actuated spring clutch assembly Actuated spring clutch assembly

1988-12-21

1990-05-22

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Automatic

192 75, F16D 1106, F16D 1306

Patent

active

049269917

ABSTRACT:
A spring clutch assembly has an input clutch member (2), an output clutch member (3), and a spring (12) disposed over a coaxial arbor (9). The spring clutch assembly further includes an independently rotatable shaft (16) disposed in a passage extending through the arbor. The shaft includes a splined surface (19) engaged by an axially movable collar (23) having a mating splined surface. The collar is mounted a chamber (20) in the input member, and has extending ears (25) and (26) located in slots (21) and (22) in the chamber sidewall. A cap (30) is fitted to an output end of the shaft and has an arm (38) extending into engagement with an end coil (41). The arm includes a projection which engages a recess in the coil. Axial movement of the collar causes the shaft to turn, relative to the arbor, with the arm forcing the coil spring to compress, disengaging the teaser coils from the output drive surface. Utilizing a shaft assembly for manual clutch disengagement allows the input member to be rotated without rotating the output member.

REFERENCES:
patent: 2030333 (1936-02-01), Starkey
patent: 2548747 (1951-04-01), Starkey
patent: 2571232 (1951-10-01), Gorske
patent: 2595454 (1952-05-01), Greenlee
patent: 2598993 (1952-06-01), Gorske
patent: 2700442 (1955-01-01), Gorske
patent: 3298486 (1967-01-01), Perryman
patent: 4570318 (1986-02-01), Kish
patent: 4583628 (1986-04-01), McCormick

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