Convertible cane

Details Convertible cane Convertible cane

1989-09-06

1991-03-05

Scherbel, David A.

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

135 77, 135 68, A45B 904

Patent

active

049970011

ABSTRACT:
A cane assembly, which is easily convertible between a single-tipped cane and a multitipped cane by operation of a single screw or nut, also includes an adjustable height shaft and enlarged pads on the arms of the multitipped cane to provide greater stability and load distribution to the cane assembly.

REFERENCES:
patent: 90498 (1869-05-01), Chapman
patent: 1504902 (1924-08-01), Rosenhein, Jr.
patent: 2210493 (1940-08-01), Lisi
patent: 2409365 (1945-06-01), Lamb
patent: 3177884 (1965-04-01), Thro
patent: 3280831 (1966-10-01), Parker
patent: 3289685 (1966-12-01), Parker
patent: 4044784 (1977-08-01), Smith
patent: 4085763 (1978-04-01), Thomas
patent: 4091828 (1978-05-01), Jorgensen
patent: 4098283 (1978-07-01), Tritle, Jr.
patent: 4314576 (1982-02-01), McGee
patent: 4481964 (1984-11-01), Minneman
patent: 4562851 (1986-01-01), Frank
patent: 4601302 (1986-07-01), Breen et al.

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