Bottom bracket of playpen
US7552487B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Dec 28, 2005 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Aug 1, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47D13/063
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A bottom bracket of a playpen includes a support seat, and a rotation seat. The support seat includes two covers, a slide, a locking rod, a drive rod, an elastic member, a pull handle, and a pull strap. The rotation seat includes two pivot members and a limit plate. Thus, the user only needs to pull the pull strap upward so to fold the bottom bracket, so that the bottom bracket is folded easily and rapidly, thereby facilitating the user folding the bottom bracket. In addition, each of the two pivot members is locked by the locking rod exactly when the bottom bracket is expanded, thereby preventing the pivot members from being pivoted unintentionally, so that the bottom bracket is positioned rigidly and stably without detachment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.