Hydrostatic transmission gear drive disconnect

Details Hydrostatic transmission gear drive disconnect Hydrostatic transmission gear drive disconnect

1996-07-24

1998-04-28

Herrmann, Allan D.

Machine element or mechanism

Gearing

Disconnecting means

192 699, 192 96, 475198, F16H 3708, F16D 1102

Patent

active

057431442

ABSTRACT:
A device for mechanically disengaging and re-engaging a driven axle from a hydraulic transmission allows the driven axle to "free wheel" independently. In normal operation, a set of internal splines on an end of a rotor is engaged with splining on an end of a hollow coaxial drive train shaft, the rotor and drive train shaft held in rotational engagement by the biasing force of a spring. A pin, positioned coaxially within the hollow center of the drive train shaft and having one end bearing upon the rotor, can be externally moved to overcome the biasing force and disengage the rotor from the drive train shaft. Once the external force moving the spring is removed, the set of internal splines and splines are re-engaged.

REFERENCES:
patent: 1108936 (1914-09-01), Sintz
patent: 1831955 (1931-11-01), Harney
patent: 3104850 (1963-09-01), Wood
patent: 3231057 (1966-01-01), Wolf
patent: 3301366 (1967-01-01), Steinberg
patent: 3687249 (1972-08-01), Priest et al.
patent: 3921774 (1975-11-01), Hagen
patent: 5261801 (1993-11-01), Stone

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