Motor vehicles – Steering by driving – Independently operable drive motors
Patent
1996-10-22
1999-04-20
Oberleitner, Robert J.
Motor vehicles
Steering by driving
Independently operable drive motors
180307, 180308, B62D 1100
Patent
active
058948996
ABSTRACT:
A skid steer loader having a main frame supported on four wheels, and a cab with upwardly extending side walls mounted on the main frame for providing an area in which an operator can control the loader. The loader is propelled by an engine operatively coupled to the wheels by a first assembly of suitable control components. A boom structure comprising a pair of arms and a mounting assembly is also mounted on the frame. A second assembly of suitable components is also coupled to the engine to provide appropriate control of the boom structure for raising and lowering the pair of arms. The first assembly of control components includes a pair of hydraulic motors for driving the wheels, and a system associated with the motors for selectively changing the speed ranges of the motors to change the speed at which the wheels propel the loader.
REFERENCES:
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patent: 3246715 (1966-04-01), Pool et al.
patent: 3351147 (1967-11-01), Williamson
patent: 3443656 (1969-05-01), Stolz
patent: 3461669 (1969-08-01), Kanengieter
patent: 3817341 (1974-06-01), Greene
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Sperry New Holland Service Parts Catalog for Model L-781, L-784, and L-785 Skid Steer Loaders.
Ashcroft Dale A.
Banks, Jr. Clayton E.
Cuff Michael
Miller Larry W.
New Holland North America Inc.
Oberleitner Robert J.
Seemar Frank A.
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