Pivotal device for a playpen
US5611634A · kind A · utility
Inventor
Key dates
| Filing date | Jan 11, 1996 |
| Grant date | Mar 18, 1997 |
| Priority date | — |
| Expiry date | Jan 11, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32409
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A pivotal device for a playpen which has at least two siderails pivotally connected to the pivotal device comprising a connector with two open ends for the corresponding siderail to be pivotally engaged therein by a first pin extending therethrough, a resilient element received in each of the siderails and having a first protrusion extending through a fifth hole defined in the siderail, the connector having a first elongated slot, a second hole below the first elongated slot and two third holes respectively defined therein, a locking member slidably mounted to a top of the connector and having a sixth hole and a second elongated slot defined therein, a second pin extending through the first elongated slot and the sixth hole, a third pin extending through the second hole and the second elongated slot, when folding the playpen, the first protrusions are pushed inwardly by being pressed, each of the siderails can be rotated about the corresponding first pin and the second pin is moved downwardly by the siderail when rotating so as to pull the locking member downwardly but when extending the playpen, the second pin is remained and the oval hole is therefore in misalignment with the thi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.