One-way clutch and brake control device using the one-way clutch

Details One-way clutch and brake control device using the one-way clutch One-way clutch and brake control device using the one-way clutch

1998-06-03

2000-09-05

Walsh, Donald P.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

With particular drive

2423551, 2424151, 2425451, 192 26, G03B 1904

Patent

active

061130214

ABSTRACT:
A one way clutch includes a shaft, a rotation-transmitting member, and a rotating member. The rotating shaft is rotatable about its rotational axis in a first direction and in a second direction opposite to the first direction. The rotating shaft extends through the rotation-transmitting member which is in the form of a coil spring. When the shaft rotates in the second direction, the spring tightly engages the shaft and rotates together with the shaft to transmit rotation of the shaft to the rotating member. When the shaft rotates in the first direction, the spring loosely engages the shaft not to transmit the rotation of the shaft to the rotating member. The rotating member fits over and engages the spring such that the rotating member is axially movable along, but not rotatable relative to the spring. The rotating member is yieldably biased in a third direction parallel to the rotational axis such that the rotating member is allowed to yieldably move in a fourth direction opposite to the third direction when an external rotational load is applied to the rotating member in the fourth direction. Thus, the rotating member is prevented from being locked.

REFERENCES:
patent: 4492994 (1985-01-01), Suda et al.
patent: 4747564 (1988-05-01), Tsubota
patent: 5273229 (1993-12-01), Komatsu
patent: 5358195 (1994-10-01), Kang
patent: 5472151 (1995-12-01), Choi et al.
patent: 5620372 (1997-04-01), Takada et al.
patent: 5884860 (1999-03-01), Ishikawa et al.

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