Adjustable connecting device for interconnecting seat and backrest members of a chair
US6264276A · kind A · utility
Inventor
Key dates
| Filing date | Jul 21, 2000 |
| Grant date | Jul 24, 2001 |
| Priority date | — |
| Expiry date | Jul 21, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/402
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An adjustable connecting device includes an elongated sliding member secured to a backrest member, and a mounting frame having one end secured to a seat member of a chair and an opposite end connected to a mounting portion disposed rearwardly of a multilevel engaged member that is mounted to the sliding member such that the sliding member is slidable linearly relative to the mounting portion. A pawl portion is disposed in the mounting portion and is provided with an engaging key capable of sliding along a keyway in the multilevel engaged member and engaging one of a plurality of notches communicated with the keyway. An arrest member is disposed to move with the multilevel engaged member so as to grip or release the engaging key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.