Planetary gearing system

Details Planetary gearing system Planetary gearing system

1982-05-25

1984-09-04

Herrmann, Allan D.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74798, 74788, 74785, F16H 128

Patent

active

044689853

ABSTRACT:
A planetary gearing system comprising a planet carrier and planet gear wheels and planet friction wheels supported on planet wheel shafts on said planet carrier, said planet gear wheels cooperating with a gear ring encircling them and a sun gear wheel, said planet friction wheel cooperating with a friction ring circumscribing them and with a sun friction wheel, a housing enclosing the planet gearing system, said friction ring or ring gear being radially movable relative to said housing and means for mounting said gear ring and/or friction ring 20 in said housing by means providing an adjustable friction force so that they rotate in the housing when subjected to a torque exceeding a torque determined by said friction force.

REFERENCES:
patent: 751588 (1904-02-01), Westinghouse
patent: 1015477 (1912-01-01), Conant
patent: 1060865 (1913-05-01), Sundh
patent: 1820061 (1931-08-01), Flagg
patent: 2591967 (1952-04-01), Ridgely et al.
patent: 2932992 (1960-04-01), Larsh
patent: 3267771 (1966-08-01), Bugg
patent: 3481222 (1969-12-01), Baron
patent: 3548673 (1970-12-01), Suchocki
patent: 4095488 (1978-06-01), Nilsson

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