Patent · US Expired

Umbrella-type folding frame particularly for push-chairs

US6811178B2 · kind B2 · utility

21Cited by
9References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 2002
Grant dateNov 2, 2004
Priority date
Expiry dateFeb 20, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB62B2205/26
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An umbrella-type folding frame particularly for push-chairs having a pair of front upper and lower struts, a pair of rear struts, at least one lock-release mechanism between each upper strut and its respective lower strut, an articulated connection structure between said rear struts and a lifting handle, connected to the articulated structure, which is designed, upon being actuated, to cause the frame to set from an open or extended position to a closed or collapsed position and a driving device located on said frame at the said lifting handle for the remote control of said lock-release mechanism.

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