Band brake and actuator therefor

Details Band brake and actuator therefor Band brake and actuator therefor

1978-04-03

1980-04-15

Halvosa, George E. A.

Brakes

Wheel

Transversely movable

188365, 192 80, 192 99B, F16D 4912

Patent

active

041979273

ABSTRACT:
A band brake assembly includes a band which carries a friction lining for engagement with a rotatable member. A casing surrounds the band and a hydraulic actuator cooperates with a pair of links which are engaged with respective ends of the band. When the hydraulic actuator is operated, the hydraulic actuator is moved toward the rotatable member such that the pair of links are pivoted oppositely about the moving hydraulic actuator. The pivoting links are coupled to the band such that movement of the hydraulic actuator causes the band to contract the friction lining into engagement with the rotatable member. The pair of links are optionally provided with rollers which roll on the casing and the hydraulic actuator when the latter is operated. It is also possible to eliminate the casing so that the rollers roll on the band when the hydraulic actuator is operated.

REFERENCES:
patent: 2014903 (1935-09-01), Logan, Jr.
patent: 2098125 (1937-11-01), Yoxall
patent: 2167171 (1939-07-01), Dodge
patent: 2641338 (1953-06-01), Findley
patent: 3116817 (1964-01-01), Quick et al.
patent: 3245499 (1966-04-01), Kershner

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