Adjustable cane and associated method

Details Adjustable cane and associated method Adjustable cane and associated method

2007-04-09

2009-10-13

Dunn, David (Department: 3636)

Tent, canopy, umbrella, or cane

Canes, sticks, crutches, and walking aids

C135S075000, C135S082000

Reexamination Certificate

active

07600523

ABSTRACT:
An adjustable cane includes a shaft with proximal and distal ends. The shaft has a hollow cavity formed therein and extending along a major length of the shaft and terminating subjacent to the proximal end. A stop member is threadably attached to the distal end of the shaft and extends about an entire circumference thereof. A handle has upper and lower portions, and the lower portion is removably attached to the proximal end of the shaft. A rectilinear core member with top and bottom ends is telescopically interfitted within the distal end of the shaft and penetrates the cavity, and a cap is removably fitted over the bottom end. A mechanism telescopically adjusts the core member within the shaft in such a manner that the shaft remains statically affixed to the handle while the core member linearly displaces along the distal end of the shaft.

REFERENCES:
patent: 1817829 (1931-08-01), Lanning
patent: 2183975 (1939-12-01), Savage
patent: 3335735 (1967-08-01), Colegrove et al.
patent: 3947140 (1976-03-01), Thomas
patent: 4044784 (1977-08-01), Smith
patent: 5806548 (1998-09-01), Goldstein et al.
patent: 6286529 (2001-09-01), Olivera
patent: 6595226 (2003-07-01), Uemura
patent: 6782903 (2004-08-01), Jarman et al.
patent: 7104271 (2006-09-01), Larson et al.

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