Apparatus for turning up an down seats for telescopic seating system
US5228246A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1991 |
| Grant date | Jul 20, 1993 |
| Priority date | — |
| Expiry date | Apr 18, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C1/126
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An apparatus for turning up and down seats for a telescopic seating system includes as essential components a foot on which a single seat is fixedly mounted, a base frame having a support shaft inserted therethrough in the transverse direction so as to allow the foot to be turned up and down about the support shaft, a center shaft extending through the base frame in parallel with the support shaft and including an extension outside of the housing, a guide arm turnably mounted on the extension of the center shaft, a pair of first coil springs mounted on the support shaft within the interior of the base frame so as to allow the foot to be normally biased in the turning-up direction, a second coil spring mounted on the extension of the center shaft so as to allow the guide arm to be normally turnably biased in the forward direction, and a pair of tongue-shaped projections fixedly mounted on the center shaft within the interior of the base frame, a link plate bridged between a front shaft on the foot and a rear shaft on the tongue-shaped projections. When the telescopic seating system is in use, turning movement of the guide arm induced by forward movement of a movable platform at the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.