The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 1992
Filed:
Sep. 04, 1990
Dusan J Hvolka, Salt Lake City, UT (US);
Other;
Abstract
An articulated U-shaped multi-purpose vehicle particularly adapted for underground digging and hauling comprising: a U-shaped frame having opposing sides and front ends connected by a front piece, and rear ends defining an open interior space in communication with an open front end; a bucket load chamber mounted within the U-shaped frame, a liftable bucket loader hingedly attached to the frame to pivotally tilt the bucket loader bottom as it is rearwardly lifted and transported to empty its contents into the bucket load chamber, wheel mounts capable of pivoting attached to the opposing sides; a plurality of wheels independently suspended and rotatably attached to the wheel mounts; pivots associated with the wheel mounts to pivot and turn each wheel in a desired direction; a motor associated with each wheel to rotate the wheels forward and backward; a power source operably associated with the pivots and motors; and controls mounted to the frame and associated with the engine, pivots, and power source is selectively activate the engine and pivots to align and drive each wheel at the desired speed and direction.