Clutch and brake assembly for implement drive

Details Clutch and brake assembly for implement drive Clutch and brake assembly for implement drive

1978-04-03

1980-09-09

Krizmanich, George H.

192 clutches and power-stop control

Clutch and brake

192 26, 192 17D, F16D 4102

Patent

active

042212847

ABSTRACT:
A coil spring clutch connects a driving hub to a driven sleeve rotatable on the hub and the sleeve drives an output or second driven member through a torque limiting clutch. The spring is readily declutched by arresting rotation of its leading end, as by interposing a stop in the path of an out-turned tang on that end, and is re-engaged by releasing the leading end. Re-engagement is characteristically abrupt and harsh, and the torque-limiting clutch in series with the spring clutch limits torque stress on the spring so that the series assembly is usable in applications which would destroy the spring clutch alone. The torque-limiting clutch may be a spring-biased friction clutch. The driven members are desirably mounted on the driving hub in a compact unitary assembly.

REFERENCES:
patent: 2659220 (1949-11-01), Cherry
patent: 2857750 (1958-10-01), Fox
patent: 3004646 (1961-10-01), Seiden
patent: 3092983 (1963-06-01), Huber
patent: 3201953 (1965-08-01), Firth
patent: 3315773 (1967-04-01), Aschauer
patent: 3319751 (1967-05-01), Sacchini
patent: 3905458 (1975-09-01), Mehrbrodt
patent: 4055935 (1977-11-01), Malion
patent: 4076109 (1978-02-01), Bencini

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