Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Tips
Patent
1996-12-09
1997-12-23
Mai, Lanna
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Tips
135 77, A45B 904
Patent
active
056998198
ABSTRACT:
A new Reduced Impact Cane for absorbing the impact of a cane striking against an unyielding surface. The inventive device includes a cane having a end, a spring connector, a connecting sleeve disposed around the cane end and spring connector, a collar disposed around the lower end of the spring connector, a rubber tip disposed around the collar, and a spring interposed between the lower end of the spring connector and the rubber tip.
REFERENCES:
patent: 1406453 (1922-02-01), Fanning
patent: 1568423 (1926-01-01), Sifferlen
patent: 1753065 (1930-04-01), Payne
patent: 1761502 (1930-06-01), Sullivan
patent: 2397499 (1946-04-01), McGowan
patent: 2398534 (1946-04-01), Klausnitzer et al.
patent: 2414758 (1947-01-01), Moss
patent: 2802479 (1957-08-01), Hickman
patent: 2888022 (1959-05-01), Fanning
patent: 4630626 (1986-12-01), Urban
patent: 4958651 (1990-09-01), Najm
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