Planetary gear having non-circular gears

Details Planetary gear having non-circular gears Planetary gear having non-circular gears

Filed on

1986-12-05

Date issued

1988-12-06

Examiner

Staab, Lawrence J.

Patent Class

Machine element or mechanism

SubClass

Gearing

SubSubClass

Plural power paths to and/or from gearing

Other Related Categories

74793, 74802, 74803, F16H 354, F16H 356

Type

Patent

Status

active

Patent number

047888911

Description

ABSTRACT:
A planetary gear device using non-circular gears comprising a casing, an input shaft rotatably supported in the casing and driven for rotation by a drive source, a carrier fixed on the input shaft, an output shaft rotatably supported in the casing, a rotary body concentric with the input shaft and rotatably supported in the casing, and a planetary gear unit rotatably supported on the planetary shaft. The planetary gear unit integrally comprises a main driving gear and a driven gear. The planetary shaft is connected at one end thereof to the carrier and at the other end to the rotary body. Fixed on the output shaft is an output gear meshing with the driven gear. Fixed to the casing is a fixed gear meshing with the main driving gear. At least either the combination of the main driving gear and fixed gear or the combination of the driven gear and output gear forms a pair of non-circular gears.

REFERENCES:
patent: 2231784 (1941-02-01), Von Thungen
patent: 2329604 (1943-09-01), Ginter
patent: 2722851 (1955-11-01), Steiner
patent: 2830473 (1958-04-01), Brown
patent: 3143899 (1964-08-01), York
patent: 3301171 (1967-07-01), Nasvytis
patent: 3705522 (1972-12-01), Ogawa
patent: 4317389 (1982-03-01), Falzoni
patent: 4329888 (1982-05-01), Falzoni

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