Wheeled chassis having independently pivotable drivewheels for o

Details Wheeled chassis having independently pivotable drivewheels for o Wheeled chassis having independently pivotable drivewheels for o

1993-09-02

1996-08-20

Boehler, Anne Marie

Motor vehicles

Having at least one wheel both driven and steerable

Steerable wheel has exclusive axis of pivot

180 655, 180907, 280 98, B60K 102

Patent

active

055470386

ABSTRACT:
A wheeled chassis having separately and independently pivotable drivewheels for omnidirectional motion, including a frame preferably defining at least three comers; first and second drivewheels, each of which is connected by a kingpin to the frame and preferably to a respective one of two of the corners of the frame; at least one free-spinning wheel rotatably attached to a third corner of the frame; first and second pivoting devices for separate and independent and substantially unrestricted 360.degree. pivoting of each respective drivewheel about a substantially vertical axis, the first and second pivoting devices cooperatively determining a direction of travel of the chassis; first and second drive devices each operatively connected to a respective one of the drivewheels for moving the chassis in the determined direction of travel; and a control system operatively connected to the pivoting devices and to the drive devices for controlling and changing the direction of travel and setting a speed of travel of the chassis on and along a ground surface.

REFERENCES:
patent: 3067839 (1962-12-01), Gibson
patent: 3572458 (1971-03-01), Tax
patent: 3912037 (1975-10-01), Krieg
patent: 3972379 (1976-08-01), Norris
patent: 4044853 (1977-08-01), Melke
patent: 4444287 (1984-04-01), Voelz
patent: 4483405 (1984-11-01), Noda et al.
patent: 4599030 (1986-07-01), Skaalen et al.
patent: 5058016 (1991-10-01), Davidovitch
patent: 5065320 (1991-11-01), Hayashi
patent: 5259721 (1993-11-01), Sato et al.

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