High ratio planetary transmission

Details High ratio planetary transmission High ratio planetary transmission

1993-08-11

1995-01-31

Marmor, Charles A.

Planetary gear transmission systems or components

Planetary gearing or element

Axis of planet pinion at angle intersecting rotational axis...

475338, 475340, 475341, 475346, F16H 132

Patent

active

053855140

ABSTRACT:
In a high ratio planetary transmission which includes in a housing coaxial input and output shafts and wherein a first sun roller structure is part of one of the shafts and disposed within the housing, a first traction ring is disposed within the housing around the first sun roller structure in spaced relationship therefrom, and a number of planetary traction rollers are supported in the space between the sun roller structure and the first traction ring, each traction roller has two sections of different diameters, one in engagement with the first traction ring and with the sun roller structure and the other being in engagement with a second traction ring which is operatively connected for rotation with the other of the input and output shafts.

REFERENCES:
patent: 3596538 (1971-08-01), Braun
patent: 3686978 (1972-08-01), Knoblach et al.
patent: 4106366 (1978-08-01), Altenbokum et al.
patent: 5240462 (1993-08-01), Mochizuki et al.
patent: 5242336 (1993-09-01), Hori

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