Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 21, 2010
Patent Application Number
11538138
Date Filed
October 3, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A wheel mechanism having two or more rows of three or more wheels wherein the lower-most points of the wheels in a row an arc. The wheels may be disposed on runners affixed to a cart or be attached directly to a frame or floor component of the cart. An arced shape can be implemented by varying the diameter of the wheels or the attachment components. The wheel mechanism can be incorporated into various types of carts.
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