Security device for foldable chair
US5964500A · kind A · utility
Inventor
Key dates
| Filing date | Jan 12, 1999 |
| Grant date | Oct 12, 1999 |
| Priority date | — |
| Expiry date | Jan 12, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C4/20
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A foldable chair includes a U-shaped seat support frame including two seat support rods, a U-shaped front support frame including two front legs each pivotally mounted to the respective seat support rod, a U-shaped rear support frame including two rear legs each pivotally mounted to the respective seat support rod, an inverted U-shaped backrest support frame including two backrest support rods each pivotally mounted to the respective rear leg, two armrests each pivotally mounted between the front leg and the backrest support rod, and two linking rods each pivotally mounted between the front leg and the backrest support rod. A security device includes two locking strips each slidably mounted between the backrest support rod and the seat support rod, and each having an upper end portion containing an L-shaped passage having a slide slot and a stop recess, a mediate portion containing a limit slot, and a lower end portion containing a locking opening, two slide pins each extending through the slide slot, the linking rod, and through the backrest support rod, two limit pins each extending through the limit slot, the backrest support rod, and through the rear leg, and two locking pins e…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.