초록 ▼

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

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.

대표청구항 ▼

[ What is claimed is:] [1.] A floor-and-ground running vehicle, comprising:a vehicle main body;an axle drive source installed in said vehicle main body;a plurality of at least three drive axles rotatably mounted into a bottom of said vehicle main body so as to extend floor-and-groundward, wherein sa

[ What is claimed is:] [1.] A floor-and-ground running vehicle, comprising:a vehicle main body;an axle drive source installed in said vehicle main body;a plurality of at least three drive axles rotatably mounted into a bottom of said vehicle main body so as to extend floor-and-groundward, wherein said drive axles are drivable by said axle drive source;a plurality of at least three rotary bases fixed to bottoms of said drive axles, wherein said rotary bases rotate with said drive axles; andat least one ball-bearing caster installed on each of said rotary bases and equipped with a braking means, wherein each of said ball-bearing casters is floor-and-ground ridable.