Step-up or reduction gear series using internally meshing planet

Details Step-up or reduction gear series using internally meshing planet Step-up or reduction gear series using internally meshing planet

1993-04-19

1994-10-04

Wright, Dirk

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

Circumferentially spaced connector pins

F16H 132

Patent

active

053521633

ABSTRACT:
A series of transmission gears use an internally meshing planetary gear structure. The structure has a first shaft, eccentric bodies provided on the first shaft, and external gears mounted on the eccentric bodies through bearings. An internal gear internally meshes with the external gears, and a second shaft is connected to the external gears through means for transmitting only the rotational component of the external gears. The series includes a group of sub-series of the transmission gears, including transmission gears which are different from each other in a speed change ratio within a range from a low speed change ratio to a high speed change ratio, and which are the same in the mating dimension for installation to a mating machine. The transmission gears in the same sub-series include a type of transmission gears of a low angular backlash type which do not reduce the angular backlash. Each type of transmission gear has a same speed change ratio, a same mating dimension, and a same transmission capacity.

REFERENCES:
patent: 2508121 (1950-05-01), McIver
patent: 3160032 (1964-12-01), Black
patent: 3192799 (1965-07-01), Pamplin
patent: 3430523 (1969-03-01), Meritt
patent: 5222922 (1993-06-01), Takahashi et al.

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