Nutating drive mechanisms having roller driving elements

Details Nutating drive mechanisms having roller driving elements Nutating drive mechanisms having roller driving elements

1982-10-18

1986-11-04

Staab, Lawrence

Machine element or mechanism

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

Preselected indexed position

F16H 128

Patent

active

046204571

ABSTRACT:
A torque transmitting gearing system of the nutating type is equipped with a nutating idler member which is in torque transmiting engagement with both a stator and an output gear. Torque transmission between the respective elements is achieved via respective series of rolling, torque transmitting elements in the form of tapered rollers. The rollers are maintained in substantially continuous contact with both their respective driving and driven raceway surfaces, which are formed with trochoidal curvature. Within a given pair of coacting gear surfaces, one surface will be formed with epitrochoidal curvature, and the other with hypotrochoidal curvature.

REFERENCES:
patent: Re17811 (1930-09-01), Braren
patent: 1277193 (1918-08-01), Cassel
patent: 2020123 (1935-11-01), Pollard
patent: 3085451 (1963-04-01), Morin
patent: 3590659 (1971-07-01), Maroth
patent: 3640154 (1972-02-01), Massie
patent: 4069718 (1978-01-01), F'Geppert

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