Clutch and brake components
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United States of America Patent
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Jan 7, 1992
Grant Date -
N/A
app pub date -
Jan 7, 1991
filing date -
Jan 7, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Clutch and brake components especially adapted for use in electromagnetic semblies (50) includes a first disc (56) or plate having a ground surface (58) comprising parallel surface features and a second disc or plate (64) having a turned surface (66) comprising circular or spiral features. Excellent static and dynamic frictional coefficients are achieved. Preferably, the ground (58) and turned (66) surfaces have roughness of between Ra 3 and 300. A wide variety of variously alloyed steels may be utilized to fabricate the clutch or brake components.
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