Patent · US Expired

Chassis

US6161233A · kind A · utility

4Cited by
1References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 1999
Grant dateDec 19, 2000
Priority date
Expiry dateOct 5, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61G2200/34
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A chassis comprises two legs extending in parallel spaced apart relationship and a cross member connecting the two legs together. The cross member comprises first, second and third tubular members. The second member is telescopically extendible and retractable in the first member and the third member is telescopically extendible and retractable in the second member. A linear actuator is provided for extending and retracting the second and third members in opposite directions relative to the first member.

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