Adjustable standard for swivel chair

Details Adjustable standard for swivel chair Adjustable standard for swivel chair

A - Human Necessities

47

C

155/38

A47C 3/18 (2006.01) A47C 3/24 (2006.01)

Patent

CA 1061697

ADJUSTABLE STANDARD FOR SWIVEL CHAIR ABSTRACT OF THE DISCLOSURE A supporting spindle for a chair is disclosed which can be shifted from a mode in which the height of the seat is adjusted by rotating the seat while the seat is unoccupied to a mode in which the seat can be rotated in either direction with- out effecting any change in vertical position when the seat is occupied. The change in mode is effected by the release of a lock when the spindle is downwardly telescoped against the bias of a spring by the weight of the seat's occupant. - 1 -

261884

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