Chairs and seats – Bottom or back – Framework
Patent
1981-06-22
1984-06-19
McCall, James T.
Chairs and seats
Bottom or back
Framework
297DIG4, 297427, 297464, A47C 750
Patent
active
044550502
ABSTRACT:
A clot preventing invalid chair and attachments is disclosed in which a box-like single, open top foot enclosure is utilized to support both feet of a seated person. The enclosure attaches to the front and back chair legs in such a manner that it may be adjustable in both the horizontal and vertical planes and also pivot at the ankle to provide maximum comfort and adaptability. The box shoe structure prevents the patient's body from sliding forward and out of the chair, and also enables the patient's legs to be raised to prevent blood clots from forming, a condition prevalent in immobilized geriatric patients.
One embodiment contemplates telescoping braces to allow retraction of the foot rest and a second embodiment combines both the telescoping brace with a pivoting brace to permit the foot enclosure to be retracted and stored under the chair seat.
An auxiliary embodiment contemplates a knee support attachable to the arm rest of the chair to aid in keeping the legs aligned and to relieve pressure points where the knee of a patient could encounter the arm rest.
REFERENCES:
patent: 2572149 (1951-10-01), Hind et al.
patent: 2591911 (1952-04-01), Block
patent: 2762422 (1956-09-01), Stratton
patent: 3083053 (1963-03-01), Dorsey
patent: 3163468 (1964-12-01), Koch
patent: 3249388 (1966-05-01), Jennings
patent: 3325215 (1967-06-01), Murcott
patent: 3672722 (1972-06-01), Murcott
patent: 3863984 (1975-02-01), Sickles
patent: 4065180 (1977-12-01), Karay
McCall James T.
Moyerman Ruth
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