Helical planetary gear assembly

Details Helical planetary gear assembly Helical planetary gear assembly

1981-07-29

1984-04-03

Braun, Leslie A.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74769, F16H 344

Patent

active

044400420

ABSTRACT:
A helical planetary gear assembly which is particularly adapted for use in a vehicle drive mechanism such as a four-wheel drive transfer case. The reaction member (ring gear) is rigidly secured to the housing; the input member (sun gear) is axially and radially located by a bearing; and the output member (planet carrier) is axially restrained but radially free to float. In direct drive the input and output are connected directly and the gears are unloaded, thus avoiding vibration and wear commonly experienced when running in reduction drive. The assembly requires only one mesh point when shifting to either the direct or reduction drive mode.

REFERENCES:
patent: 311255 (1885-01-01), Pedersen
patent: 1430799 (1922-10-01), Davis
patent: 1611118 (1926-12-01), Lanquetin
patent: 2066952 (1937-01-01), Tornebohm
patent: 2959070 (1960-11-01), Flinn
patent: 3477314 (1969-11-01), Rutkowski
patent: 4063470 (1977-12-01), Kelbel
patent: 4083421 (1978-04-01), Van Horn et al.
patent: 4092878 (1978-06-01), Campbell
patent: 4189960 (1980-02-01), Holdeman
patent: 4286480 (1981-09-01), Dickie
patent: 4347762 (1982-09-01), Holdeman

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