Height adjustable crutch

Details Height adjustable crutch Height adjustable crutch

1986-12-22

1988-01-26

Hafer, Robert A.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Crutches

135 65, 135 68, 135 75, 403100, 403102, 403325, A61H 302

Patent

active

047211253

ABSTRACT:
A height adjustable crutch comprised of a one piece member which can serve as the combination of the bow and the carrier without any bolt and pins used in conventional types for securing them, so the structure of the height adjustable crutch is simpler and stronger than the conventional types that we can find today.

REFERENCES:
patent: 2474722 (1949-06-01), Blume
patent: 3730198 (1973-05-01), Johnston et al.
patent: 4509741 (1985-04-01), Smith

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