Planetary gear unit

Details Planetary gear unit Planetary gear unit

1991-02-08

1992-04-21

Braun, Leslie A.

Planetary gear transmission systems or components

Planetary gearing or element

Particular gear tooth feature

74435, 74439, F16H 5512

Patent

active

051063557

ABSTRACT:
In an planetary gear unit comprising a sum gear, an internal gear, and planetary gears which are supported through a carrier and engaged with the sun gear and the internal gear, at least a cut is formed in the internal gear in such a manner that the position of the cut is not coincident with the angular intervals of the planetary gears in the direction of revolution, and the teeth are partially removed by the cut. Hence, the part of the internal gear where the cut is formed may be curved inwardly or flattened to provide a space for accommodating anything which otherwise obstructs the installation of the planetary gear unit.

REFERENCES:
patent: 1217427 (1917-02-01), Fast
patent: 1609076 (1926-11-01), Evans
patent: 3888357 (1975-06-01), Bauer et al.
patent: 4449425 (1984-05-01), Carden
patent: 4498351 (1985-02-01), Ahoor
patent: 4881416 (1989-11-01), Isozumi
patent: 4932613 (1990-06-01), Tiedman et al.
patent: 4942781 (1990-07-01), Hori
patent: 4986802 (1991-01-01), Scoville et al.

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