Manually shiftable planetary gearset

Details Manually shiftable planetary gearset Manually shiftable planetary gearset

1977-01-25

1978-08-01

Silverstrim, John P.

Motor vehicles

Steam traction engines

Spring mounted on axle

74750R, 74785, 180 70R, F16H 344, B60K 1734

Patent

active

041037537

ABSTRACT:
A power transfer mechanism incorporating a planetary or epicyclic gearset which may be shifted manually between high and low range conditions for direct drive and reduction ratio drive modes. The ring and planet gears are unloaded in the direct drive mode, thus avoiding vibration and wear commonly experienced when running locked-up. The mechanism may be incorporated in a multiple path drive system comprising a transfer case disposed between a source of input torque and a pair of drive axles, wherein torque is transferred directly to one drive axle and automatically to the other drive axle, when required, through a double-acting overrunning clutch.

REFERENCES:
patent: 1413943 (1922-04-01), Snyder
patent: 1792484 (1931-02-01), Fawick
patent: 2180527 (1939-11-01), Jones
patent: 2331684 (1943-10-01), Henningsen
patent: 2399201 (1946-04-01), Buckendale
patent: 2592910 (1952-04-01), Keller
patent: 2601151 (1952-06-01), Keller
patent: 2734400 (1956-02-01), Andershock
patent: 2787919 (1957-04-01), Senkowski
patent: 2947200 (1960-08-01), Stump
patent: 3107763 (1963-10-01), Hill
patent: 3477314 (1969-11-01), Rutkowski
patent: 3872742 (1975-03-01), States
patent: 3895546 (1975-07-01), Yamaguchi

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