Patent · US Active

Wheel mechanism

US7854435B2 · kind B2 · utility

31Cited by
48References
23Claims
0Family size

Inventor

Key dates

Filing dateOct 3, 2006
Grant dateDec 21, 2010
Priority date—
Expiry dateMar 20, 2028

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB62B2301/08
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.