Multi adjustable chair

Details Multi adjustable chair Multi adjustable chair

2007-03-06

2007-03-06

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Extensible

C297S284300, C297S311000, C297S337000, C297S452230, C297S452330

Reexamination Certificate

active

10725555

ABSTRACT:
A multi adjustable chair is comprised of a support frame to which is secured an adjustable seat assembly and an adjustable backrest assembly. The backrest assembly has displaceable back support plates that are adjustable to a desired position. A back cushion is secured over back support elements and is displaceable in unison therewith as the backrest is extended or retracted. The seat assembly has a pair of laterally displaceable seat panels as well as a front guide frame and the seat cushion is also extendable both laterally and forwardly as the seat panels and front guide frame are displaced to adjust the size of the seat assembly. The adjustable chair is preferably, but not exclusively, a wheelchair and it is provided with an adjustable support base assembly and a chair tilting mechanism.

REFERENCES:
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patent: 5020816 (1991-06-01), Mulholland
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patent: 5634688 (1997-06-01), Ellis
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patent: 6352307 (2002-03-01), Engman
patent: 6378947 (2002-04-01), Barber et al.
patent: 6454353 (2002-09-01), Knaus
patent: 2001/0004164 (2001-06-01), Mattsson

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