Spring brake actuator for a rail vehicle brake unit

Details Spring brake actuator for a rail vehicle brake unit Spring brake actuator for a rail vehicle brake unit

1986-11-24

1988-05-24

Look, Edward K.

Expansible chamber devices

Relatively movable working members

First working member moves second coaxial working member...

92 65, 92108, 92130A, F01B 700, F01B 3100

Patent

active

047458496

ABSTRACT:
A spring brake actuator for a rail vehicle brake unit, comprising a cylinder and a rod shaped member. The actuator includes a cylinder-shaped housing, a piston with a piston rod and a spring intended to act in a brake applying direction.
In order to obtain a truly modular system the actuator, as an integrated and self-contained unit, is arranged on the rod-shaped member of the brake unit. Its housing is attached to the brake unit cylinder. The actuator piston rod is tubular and slidable on the rod-shaped member.

REFERENCES:
patent: 2809723 (1957-10-01), Howze
patent: 3065997 (1962-11-01), Frankhouser et al.
patent: 3372623 (1968-03-01), Wearden et al.
patent: 3563139 (1971-02-01), Page et al.
patent: 3576152 (1971-04-01), Chevreux
patent: 3842716 (1974-10-01), Swander, Jr.
patent: 4280398 (1981-07-01), Kerscher et al.
patent: 4478319 (1984-10-01), Casalone et al.
patent: 4601457 (1986-07-01), Austin et al.

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