Lockable tilting apparatus for chair seats
US4555085A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Nov 16, 1982 |
| Grant date | Nov 26, 1985 |
| Priority date | — |
| Expiry date | Nov 16, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/443
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A lockable tilting apparatus for the seats of chairs and which can be used selectively either for chairs which tilt backward or for chairs which tilt forward, comprising a base plate securable to chair seat and a stationary body member adapted to be supported by the pedestal of the chair, spring means supported by said stationary body member, means supported by said stationary body member mounting said base plate for tilting pivotal movement relative to said stationary body member, link means engaging and movable with said base plate against the restoring force of said spring means whereby said base plate is tiltably movable relative to said body member against the restoring force of said spring means; and wherein a locking apparatus which is actuatable by displacement of an operating lever between two terminal positions is provided for selectively locking the base plate against tilting movement or for releasing the base plate for tilting movement, characterized by a slide member mounted in said body member for sliding movement relative to said base plate, said slide member being selectively movable between said two terminal positions, said slide member having receptacle means for …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.