Chair assembly, in particular a chair assembly for use in virtua

Details Chair assembly, in particular a chair assembly for use in virtua Chair assembly, in particular a chair assembly for use in virtua

1999-05-13

2000-05-02

Brown, Peter R.

Chairs and seats

Movable bottom

Tiltable

297325, 297327, 297329, 248394, A47C 100

Patent

active

060563621

ABSTRACT:
Chair assembly, in particular a chair assembly for use in virtual reality devices, comprising a substructure which comprises a stationary bottom frame and situated above it a top frame bearing a chair, movement means being present between the bottom frame and the top frame, in order to make the top frame move relative to the bottom frame, which movement means comprise drive means and a connecting arm of fixed length which interacts hingedly by way of a top hinge axis with the top frame and hingedly by way of a bottom hinge axis with the bottom frame, wherein the top hinge axis and the bottom hinge axis extend substantially parallel to each other.

REFERENCES:
patent: 3628829 (1971-12-01), Hellig
patent: 4083599 (1978-04-01), Gaffney
patent: 4164080 (1979-08-01), Kosydar et al.
patent: 4254990 (1981-03-01), Kelley
patent: 4536029 (1985-08-01), Rogers, Jr.
patent: 4700921 (1987-10-01), Holbrook
patent: 5155873 (1992-10-01), Bridges
patent: 5485763 (1996-01-01), Pincus
patent: 5628546 (1997-05-01), Boetzkes
patent: 5678889 (1997-10-01), Purcell, Jr.

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