Expansible chamber devices – With removal conduit for liquid seepage from expansible chamber
Patent
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.
Clayton Dewandre & Company Limited
Halvosa George E. A.
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