Automotive vehicle running on brakeable ball-bearing casters

Details Automotive vehicle running on brakeable ball-bearing casters Automotive vehicle running on brakeable ball-bearing casters

1998-01-22

1999-09-14

Oberleitner, Robert J.

Motor vehicles

Special driving device

180907, B62D 5700

Patent

active

059507497

ABSTRACT:
A vehicle employing a drive source for both running and direction changing, a wheelchair 30 for running primarily on a floor surface 9 has a main body 31, a drive motor 32, three rotary bases 37, 38 and 39, and ball-bearing casters 1. The drive motor 32 is installed in the main body 31. Each of the rotary bases 37, 38 or 39 is driven by the drive motor 32 via drive axles. The ball-bearing casters 1 each include braking means, and are installed on the rotary bases 37, 38 and 39, wherein they ride on the floor surface 9.

REFERENCES:
patent: 2603301 (1952-07-01), Sipior et al.
patent: 4631971 (1986-12-01), Thornson
patent: 4715460 (1987-12-01), Smith
patent: 5249636 (1993-10-01), Kruse et al.
patent: 5374879 (1994-12-01), Pin et al.

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