Rotary shafts – gudgeons – housings – and flexible couplings for ro – Speed responsive device for adjusting relative rotational...
Patent
1996-10-11
1998-03-31
Dunn, Eileen A.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Speed responsive device for adjusting relative rotational...
192104B, F16D 310
Patent
active
057331960
ABSTRACT:
A torque limiting coupling (5) for a driveline driving agricultural implements has driving members (16) which, with reference to the rotational axis (15), are displaced inwardly from a torque transmitting position into a disconnected position. If overloading occurs, the driving members (16) are automatically moved to re-engage a groove (45) in the coupling sleeve (42) if the positions of the driving members (16) and the torque transmitting faces correspond to one another. Also, a switching ring (22) loads the driving members (16) with centrifugal segments (36') which, in the case of overloading, are released by the switching ring (22), thus preventing the latter and in consequence the driving members (16) from assuming the torque transmitting position as long as a predetermined limit speed is still exceeded. This measure ensures that the wear at the driving members and torque transmitting faces of the coupling sleeve is reduced.
REFERENCES:
patent: 3702649 (1972-11-01), Giese et al.
patent: 4744447 (1988-05-01), Kato et al.
patent: 5181486 (1993-01-01), Gyurovits
patent: 5273147 (1993-12-01), Beigang et al
patent: 5310382 (1994-05-01), Guimbretiere
patent: 5333711 (1994-08-01), Beigang
Dunn Eileen A.
GKN Walterscheid GmbH
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