Torque limiter for paper feeding device of office machine and th

Details Torque limiter for paper feeding device of office machine and th Torque limiter for paper feeding device of office machine and th

1987-03-27

1988-11-22

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74714, 192 84PM, F16H 144, F16H 142

Patent

active

047856882

ABSTRACT:
A torque limiter for an office machine includes a planetary differential. Its sun and ring gear are limited in their degree of rotational speed difference by a hysterisis magnetic coupling. The hysterisis coupling is formed as two concentric cylinders with space between them. Selected portions of the hysterisis coupling may be magnetized to alter the coupling's characteristics.

REFERENCES:
patent: 3974884 (1976-08-01), Gidlund
patent: 4115040 (1978-09-01), Knorr
patent: 4120618 (1978-10-01), Klaus
patent: 4152099 (1979-05-01), Bingler
patent: 4210229 (1980-01-01), Rees

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