Lock actuator for a service brake actuator

Details Lock actuator for a service brake actuator Lock actuator for a service brake actuator

1976-12-02

1979-04-17

Schwadron, Martin P.

Expansible chamber devices

With releasable stop or latch means to prevent movement of...

Engages member coaxial with and rotatable relative to...

92 24, 92 27, 92151, F15B 1526

Patent

active

041494512

ABSTRACT:
A lock actuator attachment for a pneumatic service brake has a spindle follower for the service brake piston. A freely rotating nut is threaded on the spindle and a brake for preventing nut rotation is operated by a piston that may be pneumatically or hydraulically operated to hold the service brake in actuated position.

REFERENCES:
patent: 435139 (1890-08-01), Frolich
patent: 2632426 (1953-03-01), Geesink
patent: 2896413 (1959-07-01), Hussey
patent: 3288036 (1966-11-01), Fisher
patent: 3359862 (1967-12-01), Modrich
patent: 3481252 (1969-12-01), Williams
patent: 3603212 (1971-09-01), Geyer
patent: 3684063 (1972-08-01), Crabtree
patent: 3983792 (1976-10-01), Furtner
patent: 3999634 (1976-12-01), Howell
patent: 4019426 (1977-04-01), Wosejien

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