Torque limiting coupling

Details Torque limiting coupling Torque limiting coupling

1997-03-24

1999-02-09

Marmor, Charles A.

192 clutches and power-stop control

Clutches

Torque responsive

192 5662, 464 38, F16D 708

Patent

active

058682317

ABSTRACT:
A torque limiting coupling, in drive lines or driving agricultural machinery has a first coupling part (1) and a second coupling part (14), as well as a switching ring (19) loaded by a spring (28). Balls (30) transmit torque between the first coupling part (1) and the second coupling part (14). The balls are axially adjustable in apertures (6) of the first coupling part (1). The apertures (6) are uniformly circumferentially distributed around the axis of rotation (2). In the torque transmitting position, the apertures (6) are positioned opposite torque transmitting recesses (16) in the second coupling part (14). The balls (30) are held in recesses (16) in the engaged condition by the switching ring (19). When the torque is exceeded, the balls (30) escape out of the torque transmitting recesses (16). In the course of this process, the switching ring (19) is first displaced against the force of the loading spring (28). To ensure that the coupling is transferred only when the first coupling part (1) is associated in a certain way with the second coupling part (14), a control ball (31) is provided which cooperates with a first control recess (21) of the second coupling part (14).

REFERENCES:
patent: 3080029 (1963-03-01), Stober
patent: 4142616 (1979-03-01), Dekoninck
patent: 4294340 (1981-10-01), Kunze
patent: 4538715 (1985-09-01), Konrad et al.
patent: 5092441 (1992-03-01), Fujii

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