Beds – With means for relocating an invalid – With a hoisting – lifting – elevating – or raising device
Patent
1998-10-02
2000-04-18
Melius, Terry Lee
Beds
With means for relocating an invalid
With a hoisting, lifting, elevating, or raising device
5 831, 5 841, 5 851, 5 861, A61G 710
Patent
active
060499230
ABSTRACT:
The present invention provides a lift which can stop at any height upon lifting and lowering a body. The lift of the present invention for lifting and lowering the body is provided with a rotating portion including a winding reel for winding a string, a friction reel for generating friction on the string and a sliding reel for holding the string slidable, these reels being unified; a common rotating shaft penetrating the center of the rotating portion for supporting the rotating portion; a rotating device for rotating the rotating portion; a string whose one end is fixed on a circumference of the winding reel and wound for plural times thereon, then reaching and rounding a first assist reel, then reaching and rounding the friction reel and then reaching and rounding the second assist reel, then the other end thereof being looped on the sliding reel to be terminated; a common center shaft penetrating the center axes of the first assist reel and the second assist reel; and a first suspending portion coupled to the common center shaft for suspending the body and making the common center shaft parallel to the common rotating shaft of the rotating portion.
REFERENCES:
patent: 33545 (1861-10-01), Roth
patent: 197992 (1877-12-01), Brown
patent: 669450 (1901-03-01), Stephens
patent: 1122825 (1914-12-01), Wasley
patent: 1270136 (1918-06-01), Finley
patent: 1511477 (1924-10-01), Jepson
patent: 2203204 (1940-06-01), Nicolai
patent: 3882554 (1975-05-01), Glass
patent: 4058860 (1977-11-01), Daidone
patent: 4397051 (1983-08-01), Wheeler
patent: 5539941 (1996-07-01), Fuller
patent: 5544371 (1996-08-01), Fuller
Melius Terry Lee
Santos Robert G.
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