Invalid walker

Details Invalid walker Invalid walker

1981-12-30

1983-10-25

Pinkham, Richard C.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Walker type

297 5, F16M 1308

Patent

active

044112831

ABSTRACT:
An invalid walker suitable for use on level or unlevel surfaces or for going up and down stairs having a telescoping front leg assembly for positioning the front legs at various levels. Suitable locking means are provided to maintain the front legs at the preselected position.

REFERENCES:
patent: 2708473 (1955-05-01), Gable et al.
patent: 3387617 (1968-06-01), Reiber
patent: 3421529 (1969-01-01), Vestal
patent: 3455313 (1969-07-01), King
patent: 3800815 (1974-04-01), Birk
patent: 3968810 (1976-07-01), Thomas
patent: 4018439 (1977-04-01), Kauk
patent: 4094330 (1978-06-01), Jong
patent: 4135535 (1979-01-01), Thomas

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