Seat having movable supporting surfaces

Details Seat having movable supporting surfaces Seat having movable supporting surfaces

1983-05-16

1985-06-25

Apley, Richard J.

Surgery

Truss

Perineal

128 64, 5 60, 297284, A61H 100

Patent

active

045247625

ABSTRACT:
A seat is described which includes provision for two support surfaces comprising a matrix having openings through which a multiplicity of support plugs extend. The support plugs are raised and lowered through the openings by the provision of a fluid inflatable bag provided within the seat below a support plate to which the plugs are connected.

REFERENCES:
patent: 2445158 (1948-07-01), Sparhawk
patent: 2684672 (1954-07-01), Summerville
patent: 2773498 (1973-11-01), Himmelman
patent: 2906259 (1959-09-01), Adair
patent: 3298363 (1967-01-01), Parkin
patent: 3483862 (1969-12-01), Takeuchi
patent: 3656190 (1972-04-01), Regan
patent: 3919730 (1975-11-01), Regan
patent: 3945063 (1976-03-01), Matsuura
patent: 3970077 (1976-07-01), Dahl

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