Planar drive device

Details Planar drive device Planar drive device

1981-02-05

1983-11-22

Jillions, John M.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Overload release coupling

Torque transmitted via resiliently biased positive drive...

192107M, 464 41, 464 82, E21C 2734, E21C 2916

Patent

active

044166435

ABSTRACT:
A planar drive mechanism comprises a sprocket wheel for a planar chain and a drive shaft for rotating the sprocket wheel. The sprocket wheel has a secondary rim portion for driving the chain and the drive shaft has a primary rim. A clutch mechanism is connected between the primary and secondary rims which comprises a circular groove of trapazoidal cross section formed in the secondary rim which receives a plurality of friction segments connected to the primary rim. Each friction segment is carried by a coupling bolt which is slidably mounted in radially extending bores in the primary rim aligned with the circular groove. The coupling bolts and friction heads while functioning as a unit can be made of two separate materials, the coupling bolt made of material to give it strength and the friction segments made of material to give it wear resistance.

REFERENCES:
patent: 1942512 (1934-01-01), Lee
patent: 2747713 (1956-05-01), Light
patent: 2763141 (1956-09-01), Dodge
patent: 3503478 (1970-03-01), Neumann
patent: 3762183 (1973-10-01), Bolliger
patent: 3927537 (1975-12-01), Anderson et al.
patent: 3984999 (1976-10-01), Kopp
patent: 4067425 (1978-01-01), Soter
patent: 4091904 (1978-05-01), Beyer

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