Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Crutches
Patent
1991-02-01
1993-03-30
Raduazo, Henry E.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Crutches
135 68, A61H 302
Patent
active
051975025
ABSTRACT:
A walking stick is aimed to resolve conventional problems provided with durable structure, which generally has a circular cross-sectional pipe frame formed of two semi-circular pipe members connected with ribs in between. The pipe frame is cut to separate to a suitable position, such that cut portion of pipe frame may be extended outwardly to form U-shaped bifurcated pipe, and secured with supporting cushions on the top to partially support body weight of the user. The other end of pipe frame is connected with a hollow shaft, so made that it is adjustable by means of resilient clamping means.
REFERENCES:
patent: 1157314 (1915-10-01), Compte
patent: 3032048 (1962-05-01), Hoffmann
patent: 4721125 (1988-01-01), Wang-Lee
patent: 5050692 (1991-09-01), Beimgraben
Klein David I.
Raduazo Henry E.
Rosenberg Morton J.
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