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US 5,634,650 AGranted
Recreational wheelchair
AssigneeSurf Chair, Inc.
InventorsMike Hensler, Sr., Roger Shulzinsky
Life of this patent
Estimating the term…
Abstract
A recreational wheelchair having four oversized low pressure tires for use on beaches, lakeshores or other soft or rough terrain environments. The structural members of the chair are made of rugged and corrosion resistant materials such as polyvinyl chloride, stainless steel or aluminum and the chair is designed to be submerged into water of limited depths. The chair includes a high strength box chassis, removable armrest and accessories for recreation such as an umbrella bracket, fishing rod holder, and oxygen tank mounting.
Claims8
A recreational wheelchair adapted to be used in marine environments comprising:
- a chair frame for supporting an occupant comprising a plurality of tubular members joined together so as to define said chair frame, said plurality of tubular members formed from predominantly synthetic materials suitable for exposure to marine environments;
- a handle for providing a motive force to said wheelchair through the assistance of an attendant, said handle secured to an upper portion of said chair frame;
- a seat for supporting an occupant;
- at least four wheels;
- front and rear axles mounted to and supporting said wheels in a rolling arrangement wherein said front and rear axles are made predominantly of materials suitable for exposure to marine environments;
- a chassis for supporting said chair frame over said front and rear axles comprising a plurality of tubular members joined together so as to define said chassis, said plurality of tubular members formed from predominantly synthetic materials suitable for exposure to marine environments;
- at least four tires disposed about said wheels for distributing the weight of said wheelchair and occupant over a large surface area, two of said tires disposed on wheels fixed to said front axle, and two of said tires disposed on wheels fixed to said rear axle, each of said tires having a width of at least four inches.
4 more elements
Dependencies are inferred from the claim text.