Spring brake actuator having two-ply pressure plate assembly

Details Spring brake actuator having two-ply pressure plate assembly Spring brake actuator having two-ply pressure plate assembly

1996-03-28

1998-09-01

Denion, Thomas E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 63, 92129, F01B 1900

Patent

active

057995648

ABSTRACT:
A two-ply pressure plate (36) for use in an air brake system (10) for a vehicle, such as a bus, truck or the like, is shown. The two-ply pressure plate (36) includes a diaphragm plate (92) which abuts a diaphragm (32) of an air brake system (10) and a support plate (98) which abuts the rear surface of the diaphragm plate (92). A control rod (18) is welded to the support plate (98) and diaphragm plate (92). Some form of mechanical or metallurgical interconnection between the support plate (98) and diaphragm plate (92) is formed in between the mounting point of the rod (18) and the outer perimeter of the smaller of the two plates.

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International Search Report.

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