Reversible overrunning clutch with automatic shift control and f

Details Reversible overrunning clutch with automatic shift control and f Reversible overrunning clutch with automatic shift control and f

1974-06-13

1976-01-13

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Automatic

192 4891, 192 67A, 308 4R, 308 6B, F16D 4100, F16D 1104, F16C 1702

Patent

active

039318729

ABSTRACT:
An improved reversible overrunning clutch is disclosed of the type including a central driver member that is axially shiftable by helical spline means between clutch engaged positions relative to axially spaced forward and reverse clutch members, respectively, mounted on an output shaft. Automatic shift control means operable in accordance with the direction of rotation of the rotary input drive means are provided for shifting the central driver member toward a readiness position immediately adjacent the appropriate clutch member, thereby insuring the correct directional operation of the unit. In order to maintain the central driver member in position, friction drag spring means are provided which afford rotational resistance between the central drive member and the output shaft. In accordance with a characterizing feature of the invention, anti-friction means are provided for reducing the axial component of friction between the friction drag spring means and the output shaft, whereby the deleterious effect of the friction drag spring means on the central drive member is alleviated.

REFERENCES:
patent: 3353876 (1967-11-01), Moyer
patent: 3620133 (1971-11-01), Feucht
patent: 3651907 (1972-03-01), Myers, Sr.
patent: 3743067 (1973-07-01), Bokovoy

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