Earth working – With ground support engageable with ground for transport only
Patent
1978-03-03
1980-09-23
Stouffer, Richard T.
Earth working
With ground support engageable with ground for transport only
172134, 172625, 172679, 280415R, A01B 6322, A01B 3700, A01B 7300
Patent
active
042237416
ABSTRACT:
A vehicle to be moved in either of two mutually perpendicular directions, and including a first plurality of caster wheels, a second plurality of wheels rotatable on parallel axes to follow a common track aligned with one of the directions, apparatus for moving said second plurality of wheels into and out of contact with the ground, and coupling members for applying tractive force to the vehicle in either of said directions.
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Blumhardt Mfg., Inc.
Stouffer Richard T.
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