Transport device for invalids

Details Transport device for invalids Transport device for invalids

1977-10-07

1979-01-30

Peters, Jr., Joseph F.

Land vehicles

Step or abutment ascending type vehicle

With endless track

280 4725, B62B 502

Patent

active

041368886

ABSTRACT:
A tubular metal chair frame covered with canvas with a two-wheeled pivoted upwardly foldable front end and a pivoted rear support stand with two swivelled additional wheels, the support stand being lockable in a normal rearward position with the swivelled wheels engaging the floor and spaced rearwardly from the two front wheels. The support stand is foldable upwardly and can be locked in an elevated position, substantially coplanar with the upper portion of the frame. The lower portion of the frame is provided with a pair of parallel tread belts mounted on supports having rollers underlying the belts, the belts being located behind the front wheels and being usable to engage the edges of steps when the chair and its occupant are moved down stairs. Foldable handles are provided on the front end of the frame.

REFERENCES:
patent: 2301341 (1942-11-01), Stevens
patent: 2726875 (1955-12-01), Murcott
patent: 2775463 (1956-12-01), Chenette
patent: 3111331 (1963-11-01), Locke
patent: 3640571 (1972-02-01), Keropian
patent: 3655212 (1972-04-01), Krass

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