Conformable seat with pivotal belt support

Details Conformable seat with pivotal belt support Conformable seat with pivotal belt support

1990-11-29

1991-10-22

Cranmer, Laurie K.

Chairs and seats

Bottom or back with means to alter contour

297459, 5215, 5216, A47C 702

Patent

active

050589520

ABSTRACT:
A seat includes a plurality of flexible belts, each extending in a loop about a fixed tubular member and an opposed rotatable tubular member, the tubular members being mounted in a seat frame. A pair of spaced extensible outer support arms are associated with each belt. Each pair of outer support arms is pivotally mounted on one end to rotatable support shafts on the seat frame and have upper ends slidably disposed in a belt loop to engage the points of contact between the top and bottom surfaces of a belt loop on opposite sides of a user of the seat. The belts and outer pivotal support arms are releasably latchable in the conformed position about a user. Pivotal inner leg support arms are coupled to an endmost pair of outer support arms to conform the inner portions of an endmost belt about a user.

REFERENCES:
patent: 1135877 (1915-04-01), Chalker
patent: 3545808 (1970-12-01), Gescheidle
patent: 3697133 (1972-10-01), Wolofski
patent: 4153293 (1979-05-01), Sheldon
patent: 4155592 (1979-05-01), Tsuda et al.
patent: 4309058 (1982-01-01), Barley
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patent: 4354709 (1982-10-01), Schuster
patent: 4452485 (1984-06-01), Schuster
patent: 4462635 (1984-07-01), Lance
patent: 4545614 (1985-10-01), Abu-Isa et al.
patent: 4712834 (1987-12-01), Warrick
patent: 4858992 (1989-08-01), LaSota

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