Collapsible folding baby cart collapse control mechanism
US5205577A · kind A · utility
Inventor
Key dates
| Filing date | Jul 21, 1992 |
| Grant date | Apr 27, 1993 |
| Priority date | — |
| Expiry date | Jul 21, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B2205/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A collapsible folding baby cart collapse control mechanism which includes two upper frames connected between respective hand rails and the handle of a baby cart to hold a cross bar of the back rest, two pull rods movably and respectively attached to the upper frames, two positioning plates respectively connected between the pull rods and the cross bar, two stop plates respectively connected to the positioning plates; and two torsional springs respectively connected between the positioning plates and the stop plates, wherein pulling the pull rods upwards from the upper frames causes the positioning plates to be respectively rotated on the upper frames in disconnecting the stop plates from the respective locating rods on a sub-frame of the baby cart's rear wheel frame, permitting the baby cart to be collapsed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.