Magnetic torque limiting clutch having overload disconnection me

Details Magnetic torque limiting clutch having overload disconnection me Magnetic torque limiting clutch having overload disconnection me

1987-12-21

1989-05-02

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Torque responsive

192 84PM, 464 29, 464 30, F16D 700, F16D 2701

Patent

active

048259926

ABSTRACT:
This torque limiting clutch has a motor driven hub carrying two concentric cup-shaped rings with a cylindrical permanent magnet therebetween. Keeper plates are pivotally secured to the hub and overlay coplanar edges of the rings to which the keepers are magnetically attracted. The hub has an extension on which freely rotates a power output disk provided with projecting fingers that engage the keepers when they are in radial positions with respect to the hub. When an overload is applied to the output disk, the fingers turn the keepers until they are disengaged from the disk. The power output disk and hub are thus released to turn freely independently of each other, without generating frictional heat therebetween.

REFERENCES:
patent: 447413 (1891-03-01), Perry
patent: 1914795 (1933-06-01), Andres
patent: 2253466 (1941-08-01), Grohn
patent: 2796160 (1957-06-01), Harmes
patent: 3194371 (1965-07-01), Rabinow
patent: 3240304 (1966-03-01), Wickershom
patent: 4271944 (1981-06-01), Hanson
patent: 4651856 (1987-03-01), Skrobisch

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