Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Telescopic
Patent
1988-05-26
1989-12-19
Raduazo, Henry E.
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Telescopic
403109, 403104, 135 77, A45B 900
Patent
active
048876259
ABSTRACT:
A collapsible cae or the like is disclosed as having a series of interfitting telescoping sections which are interlocked together when collapsed and interlocked against collapse when extended. The collapsible cane includes first interlocking elements for externally interlocking the interfitting telescoping sections together as a unit when collapsed, and also capable of being released, by hand pressure, to permit elongated extension of the interfitting telescoping sections. When extended, second interlocking elements are provided for internally interlocking adjacent telescoping sections together against collapse. The second interlocking elements may also be deactivated to permit collapse and telescoping of adjacent interfitting telescoping sections relative to one another for compact storage, when collapsed, and for subsequent re-engagement with the first interlocking elements to hold the telescoped interfitting sections together as a unit.
REFERENCES:
patent: 2456205 (1948-12-01), Magder
patent: 2587511 (1952-02-01), Nerman
patent: 2599222 (1952-06-01), Bergquist
patent: 3153252 (1964-10-01), Ricciardi
patent: 3456662 (1969-07-01), Weber
patent: 3515418 (1970-06-01), Nielsen
patent: 3987807 (1976-10-01), Varnell
patent: 4073456 (1978-02-01), Karapita
patent: 4238164 (1980-12-01), Mazzolla
patent: 4448442 (1984-05-01), Weber-Henning
patent: 4508467 (1985-04-01), Coffin
Americane, Inc.
Raduazo Henry E.
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