Baby's walker with height adjustment apparatus
US4759541A · kind A · utility
Inventor
Key dates
| Filing date | Jun 15, 1987 |
| Grant date | Jul 26, 1988 |
| Priority date | — |
| Expiry date | Jun 15, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S482/908
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention relates to a baby's walker with height adjustment apparatus which includes a seat; a slidable base; two U-shaped tubes pivotally connected to each other in crosswise arrangement and disposed between said seat and said slidable base, said U-shaped tubes each having a central portion and ends opposite said central portion, said ends being pivotally connected to said slidable base, said central portion of one of said U-shaped tubes being pivotally connected to one side of said seat, said central portion of the other of said U-shaped tubes being movably engaged to the underside of the opposite side of said seat; two plates secured on said underside of the opposite side of said seat in a parallel arrangement, which each plate having an indented portion formed at its underside; two sliding members provided on said movable central portion with a rectangular opening, and slidably engaged with said plates respectively; a controlling member pivotally connected with said movable central portion with a rectangular opening and having an engaging portion with an opening on the top and an operating portion opposite to said engaging portion, and two protuberances extended upw…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.