Patent · US Expired

Multi-directional motorized wheelchair

US5445233A · kind A · utility

65Cited by
12References
5Claims
0Family size

Inventors

Key dates

Filing dateAug 4, 1994
Grant dateAug 29, 1995
Priority date
Expiry dateAug 4, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S180/907
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A multi-directional motorized wheelchair having a seat portion and, a back portion, and having two drive wheels, each having a separate motor for driving one drive wheel forwardly or backwardly, independently of the other wheel, a drive wheel mounting beneath the seat, and controls for operating the wheels either simultaneously in the same direction, or one of them in one direction, or simultaneously in opposite directions, and, stabilizer wheels mounted beneath the seat, and extending outwardly from and around the drive wheels, to stabilize the chair.

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