Patent · US Expired

Omnidirectional vehicle base

US4715460A · kind A · utility

64Cited by
5References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 20, 1984
Grant dateDec 29, 1987
Priority date
Expiry dateNov 20, 2004

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60Y2200/84
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An omnidirectional wheelchair base 7 includes upper 10 and lower 20 flexible base plates held in spaced-apart alignment by a pair of front supports 14 and 16 and a rear support 18. A pair of front wheels 22 and 26 are provided, each mounted on the front supports 14 and 16, respectively, and each having an axis of rotation wherein the angle between the axes of rotations of each of the front wheels is less than 180.degree.. A rear wheel is mounted on the rear support and has an axis of rotation less than 180.degree. from each of the front wheels.

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