192 clutches and power-stop control – Clutches – Torque responsive
Patent
1999-03-09
2000-05-09
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Torque responsive
464 40, F16D 4321, F16D 702
Patent
active
060590866
ABSTRACT:
A drive device for a control member which is driven by a motor in two directions has a freewheel clutch which is in the form of a wrap spring wound around a shaft. An end region of the wrap spring has at least one winding whose diameter is larger than the diameter of the shaft which is disposed in an end region of the wrap spring, so that the wrap spring does not bear against the shaft in the end region. The wrap spring effectively suppresses noise generation which would occur upon loading or blocking of the drive device, in particular in a transmission, due to oscillation of the motor.
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JP 07174160A Nov. 1995, Japanese Abstract.
JP 06249257 Dec. 1994, Japanese Abstract.
Bonck Rodney H.
Electrowatt Technology Innovation AG
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