Flexible backrest assembly for a chair

Details Flexible backrest assembly for a chair Flexible backrest assembly for a chair

A - Human Necessities

47

C

155/50, 155/61.2

A47C 3/00 (2006.01) A47C 7/44 (2006.01)

Patent

CA 1301624

ABSTRACT A chair which includes a seat frame having depending leg members and a pair of upstanding, spaced apart members arranged to provide a lower backrest part for the chair and an upper backrest frame part having a pair of spaced apart depending members in registry with the upstanding members, said members being hollow with open extremities, and flexi- ble spring means secured between each pair of members to provide an articulated, flexible spring backrest for the chair. Each flexible spring means includes an elongated, flat or blade spring member having its opposite ends secured within a holder member which is closed at one end and open at its opposite end for inserting the spring into the holder. The open ends of each holder have stop flange formations protruding outwardly thereon which, when the holders are spaced apart at their open ends with a slight gap therebetween, effect limitation of the angle of flexure of the spring by engagement of the flanges one with the other.

603940

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