Beds – Sofa bed – Reverting back
Patent
1980-04-03
1982-12-07
Grosz, Alexander
Beds
Sofa bed
Reverting back
5 69, A61G 700, A61G 706
Patent
active
043619177
ABSTRACT:
A portable orthopedic bed which is formed as a super structure for conventional existing beds and may be switched from one such bed to another. The portable orthopedic bed is comprised of a flat semi-rigid planar base which supports an adjustable frame which may be raised and lowered in the fashion of an adjustable hospital bed. The frame is provided with wheeled supports for adjusting the tilt or inclination of a back rest portion and a leg portion by means of separate motors and worm gears. Appropriate controls are provided to activate the motors for raising and lowering the back and leg portions of the frame. The portable orthopedic bed through its rigid planar support may be lifted and placed upon a box spring or other frame of a conventional bed with the mattress being removed. After the portable bed frame is placed on the conventional bed the mattress may be placed over the orthopedic bed frame. The patient or other user may then use the bed in a conventional fashion for adjusting the back or leg portions as desired.
Through the rigid planar support the portable orthopedic bed may be placed upon the bed frame or its super structure such as a coiled box spring without obtrusion, snagging or the like and may be moved from one conventional bed to another, or even as desired placed upon the floor or any other flat support base.
REFERENCES:
patent: 2500742 (1950-03-01), Taylor
patent: 2517466 (1950-08-01), Cox
patent: 2631300 (1953-03-01), Murray
patent: 2996732 (1961-08-01), Drafer
patent: 3127619 (1964-04-01), Bronstien
patent: 3245092 (1966-04-01), Kreuz
patent: 3447170 (1969-06-01), Spitz
patent: 3503082 (1970-03-01), Kerwit
patent: 3593350 (1971-07-01), Knight
patent: 3636573 (1972-01-01), Bartz
patent: 3644946 (1972-02-01), Swatt
Grosz Alexander
Robbins Glenn K.
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