Posture support with multi-planar adjustment

Details Posture support with multi-planar adjustment Posture support with multi-planar adjustment

1988-08-25

1991-01-01

Cranmer, Laurie K.

Chairs and seats

Bottom or back with means to alter contour

297231, 297296, 297353, A47C 300

Patent

active

049813250

ABSTRACT:
A seating support for independent, multi-planar adjustable thoracic and pelvic-sacral cushions for supporting the spine and permitting support adjustment by the seated occupant. The thoracic support cushion is inflatably adjustable in a horizontal plane and vertically adjustable relative to apertured slide rails of a support framework. The pelvic-sacral support cushion vertically slide adjusts along the framework and is horizontally adjustable via a screw follower mounted scissors assembly having a laterally and tiltably rotatable cushion mounting plate. In an accessory embodiment, an adjustable clamp retainer and strap secure the support to an available rigid-backed chair.

REFERENCES:
patent: 3880463 (1975-04-01), Shepard
patent: 4313637 (1982-02-01), Barley

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