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US 5,492,347 AGranted
Cart mobilizing apparatus
OwnerIgnazio Palmeri, Saverio Concainventors
Life of this patent
Estimating the term…
Abstract
A portable interchangeable device for mobilizing a chair including a first wheel, a second wheel, an axle, a plate, and attachment apparatus. The axle connects the first wheel to the second wheel. The plate is rotatably mounted on the axle and prevents the first wheel and the second wheel from sinking into sand when the first wheel and the second wheel are mobilized. The attachment apparatus interchangeably secures the first wheel, the second wheel, the axle, and the plate to a variety of different sized chairs.
Claims9
A portable interchangeable device for mobilizing a chair, comprising:
- a) a first wheel;
- b) a second wheel;
- c) an axle connecting the first wheel to the second wheel;
- and
- d) a plate, the plate has a top, a bottom, a front face, an open lip, a closed lip, and a back face, the open lip of the plate disposed at the bottom of the plate and facing the back face of the plate, the closed lip disposed at the top of the plate and facing the front face of the plate, the closed lip of the plate rotatably receiving the axle, the plate rotatably mounted on the axle and preventing the fast wheel and the second wheel from sinking into sand when the first wheel and the second wheel are mobilized, the plate open lip functioning to removably engage a chair cross member therein, the open lip and the closed lip arranged below and above one another, respectively.
2 more elements
Dependencies are inferred from the claim text.