Spring dampened damper disc having first and second stage torsion springs
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United States of America Patent
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Jun 21, 1994
Issued Date -
N/A
app pub date -
Dec 22, 1992
filing date -
Mar 9, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A damper disc having an output-side plate between a pair of side plates, containing two torsion springs in series in rectangular holes made on the both plates, and disposing a float body freely movable in circumferential direction between the springs. The output-side plate is divided into inside and outside pieces. Each float body is connected by an annular connecting body in such a manner as not to be protrudable. The float body is made of plastic-based resin light in weight and small in friction coefficient.
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