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US 5,669,659 AGranted
Combination chair and hand truck
OwnerThomas E. Dittmerinventor
Life of this patent
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OwnerThomas E. Dittmerinventor
Estimating the term…
A platform assembly and wheel assembly for retrofitting a folding chair to form a combination chair and hand truck. The platform assembly is removably attached to the bottom section of the pair of leg members forming the front legs of the folding chair. Similarly, the wheel assembly is removably attached to the bottom section of the pair of load support members forming the back legs of the folding chair. The wheel assembly includes a plurality of brackets for removably attaching the wheel assembly to the pair of upright support members, an axle fixedly attached to the plurality of brackets, and a pair of wheels rotatably connected to opposite ends of the axle. The platform assembly includes a lift member, a transverse platform and a plurality of elongated right and left channels extending vertically from the lift member or clamps for removably attaching the platform assembly to the front legs of the folding chair. When the combination chair and hand truck is folded in an open position, it will function as a chair. When the combination chair and hand truck is folded in a closed position, it will function as a hand truck.
A method of retrofitting a folding chair to form a combination folding chair and hand truck, the method comprising the steps of:
A combination chair and hand truck, comprising:
A method for retrofitting a wheel assembly and platform assembly to a folding chair, the method comprising the steps of:
A combination chair and hand truck, comprising:
A method for retrofitting a wheel assembly and platform assembly to a folding chair, the method comprising the steps of:
Dependencies are inferred from the claim text.