Air brake diaphragms which resist pull-out
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United States of America Patent
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-
Jan 24, 2006
Grant Date -
Jun 26, 2003
app pub date -
Dec 19, 2002
filing date -
Dec 20, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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