Motor vehicles – Special driving device – Spiral type element
Patent
1979-01-02
1980-12-09
Pekar, John A.
Motor vehicles
Special driving device
Spiral type element
180 21, 180212, B60B 1900, B62D 5700
Patent
active
042379903
ABSTRACT:
A wheeled vehicle provided with three individually driven wheels rotatable on horizontal axes. The wheels are disposed at the corners of a triangle. The periphery of each wheel is defined by a plurality of rollers rotatable on respective axes which are each at an angle to the axis of the respective wheel. The axes of three rollers, one for each wheel, when each such roller is in its lowermost position, form a triangle. Each roller axis may be at right angles or perpendicular to, or at 45 degrees to, or at some other acute angle to the respective wheel axis, and the triangle may be an equilateral triangle in a typical embodiment of the invention.
According to a preferred embodiment of the invention, no two of the wheel axes are aligned or parallel to each other. In a typical construction, the wheels are at the corners of an equilateral triangle and the wheel axes intersect at the center of this triangle. The vehicle may be driven over a surface, or it may be inverted and an object with a surface engaged on the wheel rollers may be moved with respect to the stationary "vehicle". Controls for motors driving the wheels of the vehicle are provided to produce rectilinear movement, rotational movement or curvilinear movement of the vehicle over the surface.
REFERENCES:
patent: 3016966 (1962-01-01), Hansen
patent: 3295700 (1967-06-01), Ziegler
patent: 3570615 (1971-03-01), Guilbaud
patent: 3746112 (1973-07-01), Ilon
patent: 3876255 (1975-04-01), Ilon
Pekar John A.
Yeager Arthur G.
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