Body support chair with automatic modification of the back...

Details Body support chair with automatic modification of the back... Body support chair with automatic modification of the back...

2007-06-26

2007-06-26

Brown, Peter R. (Department: 3636)

Chairs and seats

Movable bottom

Tiltable

C297S330000, C297S334000, C297SDIG010, C297S321000

Reexamination Certificate

active

10870431

ABSTRACT:
The body support chair for physically challenged and disabled persons comprises a frame supporting an articulated structure comprising a seat, a foot rest, a back and two symmetrical lateral systems. Each articulated system comprises a first deformable quadrilateral (17), a second deformable polygon, a back assembly and a maneuvering assembly.The chair comprises, in addition, means (60) for automatic modification of the inclination (β) of the back of the chair with respect to the vertical direction in the sagittal plane between the lowered and verticalized positions. Figure to be published: FIG.4)

REFERENCES:
patent: 3640566 (1972-02-01), Hodge
patent: 3851917 (1974-12-01), Horstmann et al.
patent: 4569556 (1986-02-01), Pillot
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patent: 5108202 (1992-04-01), Smith
patent: 5346280 (1994-09-01), Deumite
patent: 5556121 (1996-09-01), Pillot
patent: 6244662 (2001-06-01), Porcheron
patent: 6250717 (2001-06-01), Porcheron
patent: 6568762 (2003-05-01), Porcheron
patent: 7077416 (2006-07-01), Duarte
patent: 2515508 (1983-05-01), None
patent: 2724299 (1996-03-01), None
Agrawal et al., “Optimisation of a Chair Mechanism for Partially Disabled People for Sitting-Standing and Sitting-Lying Motions”, 2200 Medical & Biological Engineering & Computing, Sep. 1979, pp. 671-682.

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