Brake cylinder piston spring
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United States of America Patent
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-
Jan 19, 1993
Grant Date -
N/A
app pub date -
Dec 5, 1991
filing date -
Dec 5, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A coil spring is provided for use in biasing opposing piston portions of a brake cylinder away from each other. The spring includes a body portion formed of a length of alloy wire and including adjacent coils spaced from each other defining a cylindrical helix. A pair of end portions are formed integrally with the body portion and include a plurality of coils positioned in contact with each other and defining a conical helix shape for engaging the opposing piston portions of the brake cylinder.
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