Spring actuated brake cylinder device with fluid pressure operab

Details Spring actuated brake cylinder device with fluid pressure operab Spring actuated brake cylinder device with fluid pressure operab

1977-07-11

1978-09-26

Halvosa, George E. A.

Expansible chamber devices

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

Means includes element interfitting between working member...

91 42, 91 44, 92 27, 188170, 188265, 303 6M, 303 89, F15B 1526

Patent

active

041161130

ABSTRACT:
A brake cylinder device including a brake piston operable by a spring force to an application position and to a release position in response to an opposing fluid pressure force, and a fluid pressure operable locking device operable responsively to release pressure for locking the piston in the release position and for delaying such locking of the piston in the release position during normal operations to prevent untimely locking-up of the piston.

REFERENCES:
patent: 1085964 (1914-02-01), Briggs
patent: 3176590 (1965-04-01), Uhtenwoldt et al.
patent: 3508794 (1970-04-01), Engle
patent: 3597016 (1969-05-01), Gachot et al.
patent: 4014579 (1977-03-01), DuBois

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