Chair

Details Chair Chair

A - Human Necessities

61

G

155/14

A61G 5/14 (2006.01)

Patent

CA 1285860

ABSTRACT An invalid chair has a seat which rises (under spring or other power) at the front as well as at the back to assist the occupant to stand. The seat is mounted by means of a mechanism comprising two pairs of tracks on the frame and seat respectively, two pairs of levers forming a scissor-like linkage with lever ends carrying respective rollers running in the tracks , and torsion springs to provide the force urging the seat upwardly. A latch mechanism is provided to latch the seat down. It can be released by a sitting occupant operating a manual device under one arm When the seat rises, the back rises further than the front .

572943

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