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US 5,730,241 AGranted
Caterpillar track shoe
AssigneeChorng Rong Shyr
InventorsChorng Rong Shyr, Ming Chon Cheng
Life of this patent
Estimating the term…
Abstract
A caterpillar track shoe including a shoe having a plurality of screw holes in the sole; a caterpillar track type driving mechanism fastened to the screw holes of the shoe and controlled to move the shoe on a piece of land through a toe-controlled switch in the shoe and a selector switch on the base frame of the driving mechanism, the driving mechanism including a DC motor, a battery power supply, a caterpillar track assembly, and a gear box coupled between the DC motor and the drive wheel of the caterpillar track assembly.
Claims1
A caterpillar track shoe comprising:
- a shoe having a plurality of screw holes in a sole thereof;
- a caterpillar track type driving mechanism fastened to the screw holes of said shoe and controlled to move said shoe across a piece of land, said caterpillar track type driving mechanism comprising a base frame fastened to the screw holes of said shoe, a battery box mounted within the base frame to hold a rechargeable battery, a motor mounted in said base frame and electrically connected to said rechargeable battery by an electric circuit, a gear box coupled to said motor, a drive wheel assembly transversely mounted on said base frame at one end and turned by said motor through said gear box, an idling wheel assembly transversely mounted on said base frame at an opposite end and turned by said drive wheel assembly through two symmetrical caterpillar tracks, two symmetrical rows of tracker rollers respectively mounted, along two opposite sides of said base frame between said drive wheel assembly and said idling wheel assembly, said two caterpillar tracks being mounted around said drive wheel assembly, said tracker rollers, and said idling wheel assembly;
- first switch means mounted on an outer surface of the base frame of said caterpillar track type driving mechanism, the first switch being movable between an on position, for maintaining said motor in a constant driving mode, and an off position;
- and
- second switch means mounted within said shoe, and adapted to be selectively actuated by a portion of a user's foot received within the shoe for controlling the flow of electric current to said motor when said first switch means is in the off position.
2 more elements
Dependencies are inferred from the claim text.