Single lever control unit for hydrostatic transmission

Details Single lever control unit for hydrostatic transmission Single lever control unit for hydrostatic transmission

1975-10-01

1977-05-17

Peters, Jr., Joseph F.

Motor vehicles

Steering by driving

Independently operable drive motors

74471XY, 188 18A, 188163, 180 77H, B62D 1102

Patent

active

040236366

ABSTRACT:
A single lever control unit for operating a vehicle that is driven by first and second variable displacement, reversible hydraulic motors is disclosed herein. The single handle control lever is capable of simultaneously moving a pair of control arms the same amount in either direction to control the forward and reverse speed of movement of the vehicle and also to vary the amount of movement of the control arms by moving the lever about a second pivot axis to control the direction of movement of the vehicle. The control unit also incorporates a releasable lock member that is capable of holding the control arms in an adjusted position so that the vehicle may be driven at a given forward or reverse speed without any forces being applied to the control lever.

REFERENCES:
patent: 3322240 (1967-05-01), Dotto
patent: 3431993 (1969-03-01), Case
patent: 3541877 (1970-11-01), Houk
patent: 3613817 (1971-10-01), Glass
patent: 3757597 (1973-09-01), Vogel
patent: 3792744 (1974-02-01), Gray
patent: 3831633 (1974-08-01), Comer
patent: 3880251 (1975-04-01), Clevanger

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