Arm piece assembly for crutch

Details Arm piece assembly for crutch Arm piece assembly for crutch

1985-04-18

1987-01-20

Hafer, Robert A.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

Crutches

A61H 302

Patent

active

046374140

ABSTRACT:
An improved arm piece assembly for a crutch, comprising an inner molded plastic arm piece and an outer removable elastomeric cover. The arm piece is formed with a pair of opposed side surfaces, a pair of end surfaces and a top surface that connects the side surfaces and end surfaces. One of the side surfaces is concave in a direction between the end surfaces to conform to the configuration of the rib cage of the user. A pair of tubular members or sockets are disposed on the interior of the arm piece and receive the bows of the crutch. Each end surface is provided with an opening and a fastening member, such as a screw, interconnects the bow with the respective socket and is disposed in alignment with the opening in the end surface. The elastomeric cover fits snugly over the arm piece and is provided with cushioning ribs on the inner surface which are disposed in engagement with the concave side surface of the arm piece.

REFERENCES:
patent: 1241815 (1917-10-01), Blackard
patent: 2362642 (1944-11-01), Lamb
patent: 2417171 (1947-03-01), McGowan
patent: 2442896 (1948-06-01), Joseph
patent: 2856943 (1958-10-01), Sparlin
patent: 3150672 (1964-09-01), Johnson, Jr.
patent: 3304946 (1967-02-01), Lutes

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