Spring brake units and drainage means therefor

Details Spring brake units and drainage means therefor Spring brake units and drainage means therefor

1974-12-05

1976-03-16

Halvosa, George E. A.

Expansible chamber devices

With removal conduit for liquid seepage from expansible chamber

92 63, 92130A, 188170, F01B 3118

Patent

active

039438317

ABSTRACT:
A spring brake unit for use in a vehicle braking system comprises a housing, a piston movable therein and connected to a brake or brake linkage, a spring interposed between the piston and a detachable end wall on the housing and urging the piston in a direction to apply the brakes fluid under pressure being introduced to the housing in a controlled manner to hold the piston in brake-off position, and the housing and/or detachable end wall being formed to define one or more drainage channels opening into a gaiter which bridges the joint between them and which includes a drain outlet.

REFERENCES:
patent: 3181433 (1965-05-01), Cruse
patent: 3495503 (1970-02-01), Gummer et al.
patent: 3630093 (1971-12-01), Morse et al
patent: R25669 (1964-10-01), Leighton et al.

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