Patent · US Expired

Invalid lifting and walking device

US3999228A · kind A · utility

25Cited by
5References
5Claims
0Family size

Inventor

Key dates

Filing dateOct 10, 1975
Grant dateDec 28, 1976
Priority date
Expiry dateOct 10, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S297/04
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A power operated invalid lifting and walking device which is operated by the invalid. The invalid lifts himself to a standing position with a power hoist attached to the device. While supported in the standing position by the hoist, the invalid can propel the device by holding onto a handle bar and pushing against the floor with his feet.

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