Invalid cart and lift

Details Invalid cart and lift Invalid cart and lift

1974-08-21

1976-02-17

Betts, Kenneth H.

Land vehicles

Wheeled

Wheel steering by attendant

200 00R, 297339, 297392, 108147, 5 86, B62B 312, A61G 710

Patent

active

039388204

ABSTRACT:
An invalid cart and lift, designed primarily for use in hospitals and the like, is comprised of a horizontally disposed frame movable on two back wheels and a front steering wheel. A steering shaft, extending vertically from the front steering wheel, has at its upper end a drop down handle by which this cart it pulled and steered. A housing extending vertically from the frame supports a vertically movable seat. A manual crank operates through a mitre gear and a ball nut-screw combination to raise and lower the seat. A friction brake when engaged holds the seat at a desired level. A sanitary chin and chest rest adjustable to the invalid's height raises and lowers with the seat. A safety belt with a positive lock prevents the invalid from falling from the seat.

REFERENCES:
patent: 1700088 (1929-01-01), Smith
patent: 2187283 (1940-01-01), Scheutz
patent: 2375907 (1945-05-01), Farmer
patent: 2439163 (1948-04-01), Farmer
patent: 2962730 (1960-12-01), Carnes
patent: 3493245 (1970-02-01), Nabinger
patent: 3643996 (1972-02-01), Carnahan

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