Drive device

Details Drive device Drive device

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.

REFERENCES:
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patent: 2833383 (1958-05-01), Christensen
patent: 2922220 (1960-01-01), Sacchini
patent: 3125889 (1964-03-01), Perryman
patent: 3306133 (1967-02-01), Rhein et al.
patent: 3893554 (1975-07-01), Wason
patent: 4560050 (1985-12-01), DeMay
patent: 4630722 (1986-12-01), Figueira et al.
patent: 4926991 (1990-05-01), Stone et al.
patent: 5010983 (1991-04-01), Kitamura
patent: 5064137 (1991-11-01), Komatsu et al.
patent: 5090538 (1992-02-01), Osawa
patent: 5273229 (1993-12-01), Komatsu
patent: 5482221 (1996-01-01), Peterson et al.
JP 07174160A Nov. 1995, Japanese Abstract.
JP 06249257 Dec. 1994, Japanese Abstract.

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