Speed differential planetary gear train

Details Speed differential planetary gear train Speed differential planetary gear train

1975-05-12

1977-03-29

Scott, Samuel

Machine element or mechanism

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

Preselected indexed position

F16H 128

Patent

active

040142248

ABSTRACT:
A planetary gear train having four gears that are arranged as two external-internal pairs, in which the two external gears are connected to form a cluster which rotates around a rotatable eccentric, and within the respective internal gears. Certain relations between parameters of the four gears provide high efficiency.

REFERENCES:
patent: 575880 (1897-01-01), Eichemeyer
patent: 627382 (1899-01-01), Birrell
patent: 1320460 (1919-11-01), Ellett
patent: 2049696 (1936-08-01), Fliesberg
patent: 2250259 (1941-07-01), Foote, Jr.
patent: 2256055 (1941-09-01), Probst
patent: 2354386 (1944-07-01), Lawler
patent: 2991665 (1961-07-01), Sundt
patent: 3369672 (1968-02-01), Lorence
patent: 3429393 (1969-02-01), Lorence
patent: 3627087 (1971-12-01), Eskridge

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