Sprag clutches

Details Sprag clutches Sprag clutches

1974-09-23

1976-02-10

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Automatic

192 451, F16D 4107

Patent

active

039373100

ABSTRACT:
In a sprag clutch having individual energising springs, one for each sprag, in which the forces on the sprags during outer race overrunning give rise to only a small rubbing load between the sprags and the clutch inner race at all outer race overrunning speeds within a designed limit, without nevertheless lifting off the clutch inner race, thereby limiting wear on overrun of the clutch, the sprags and the springs are staggered whereby each pair of adjacent sprags of said ring of sprags are offset relative to one another axially of the assemblage, and likewise the pair of springs associated with them, the sprags being shaped and arranged to interengage with one another between the springs to limit the tilt of the sprags in the driving phase of the clutch.

REFERENCES:
patent: 3651908 (1972-03-01), Oldfield
patent: 3743066 (1973-07-01), DeLavalette

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