Ground pressure reducing undercarriage unit

Details Ground pressure reducing undercarriage unit Ground pressure reducing undercarriage unit

1980-01-21

1982-11-16

Peters, Jr., Joseph F.

Motor vehicles

Steering by driving

Independently operable drive motors

180 654, 180 22, 180 2405, 180 2408, 180 2412, B62D 6110, B62D 6112

Patent

active

043591167

ABSTRACT:
A wheeled undercarriage unit (10) for supporting and propelling a mechanism without causing excessive ground pressure comprises elongate hollow side frames (12, 14) rigidly interconnected by cross frames (16, 18). Ten wheels (20, 22, 24, 26, 28, 30) are rotatably supported on the side frames (12, 14) with four wheels being disposed inboard at the ends of the side frames. The wheels on each side of the unit (10) are drivingly interconnected by transmissions located within the side frames (12, 14). A second embodiment (110) includes twelve wheels with six wheels being mounted inboard of the side frames (12', 14'). A third embodiment (120) includes twelve wheels with eight wheels outboard and four wheels inboard. The middle wheels in each embodiment extend below a plane lying tangent to the endmost wheels to facilitate skid steering.

REFERENCES:
patent: 2821949 (1958-02-01), Uyehara
patent: 3166141 (1965-01-01), Shields et al.
patent: 3198551 (1965-08-01), Garner
patent: 3444837 (1969-05-01), Donofrio
patent: 3785449 (1974-01-01), Ries
patent: 3799362 (1974-03-01), Oswald et al.

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