Air brake diaphragms which resist pull-out

Details Air brake diaphragms which resist pull-out Air brake diaphragms which resist pull-out

2006-01-24

2006-01-24

Lopez, F. Daniel (Department: 3745)

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

Reexamination Certificate

active

06988442

ABSTRACT:
A brake actuator includes a flange case having a radially outwardly extending annular flange, a head having a radially outwardly extending annular flange, and a diaphragm having a widened outer periphery sandwiched between the annular flange of the flange case and the annular flange of the head. The diaphragm includes a reinforcing member embedded in or attached to an outer surface of the widened outer periphery thereof. The reinforcing member is formed of a material which is more resistant to deformation than a material of which the diaphragm is formed so as to inhibit the widened outer periphery of the diaphragm from pulling out from between the annular flange of the flange case and the annular flange of the head.

REFERENCES:
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patent: 6131501 (2000-10-01), Smith
patent: 6212996 (2001-04-01), Savel et al.

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