Self-adjusting collapsible crutch

Details Self-adjusting collapsible crutch Self-adjusting collapsible crutch

1990-10-15

1991-06-25

Scherbel, David A.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Crutches

135 72, 135 75, 272 70, 2481885, 2482973, A61H 302

Patent

active

050258206

ABSTRACT:
A self-adjusting crutch containing a central portion having both a fixed and a moveable central post, one of which nests within the other. A prepositionable height fastener cooperates with a coupling collar, both of which are disposed on the central portion to predetermine the amount of extension. When the fastener and coupler are in cooperation, the leg can be extended and retracted repeatedly the exact same distance.
An improved hand grip is also disclosed.

REFERENCES:
patent: 2172047 (1939-09-01), Jacobucci
patent: 2264015 (1941-11-01), Bennett
patent: 2426074 (1947-08-01), Watters
patent: 2544957 (1951-03-01), Henry
patent: 2554653 (1951-05-01), Wisecarver
patent: 3730198 (1973-05-01), Johnston et al.

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