Tent – canopy – umbrella – or cane – Portable shelter – Framework
Patent
1996-03-07
1997-06-17
Mai, Lanna
Tent, canopy, umbrella, or cane
Portable shelter
Framework
135151, 135155, 135909, E04H 1550
Patent
active
056388535
ABSTRACT:
A tent structure includes four poles interconnected by four scissors-type linkages forming a square structure and four intermediate pivot connecting members. Each pole comprises a fixed connector and a sliding connector. Each of the fixed connector and the sliding connector has three connecting seats with two connecting seats at respective outer sides adapted to receive and end of the scissors-type linkage and with one connecting seat positioned inbetween the two outer seats adapted to receive an end of a rod member. Each intermediate pivot connecting member has a board and a pair of pivoting member integrally formed on top portion of the board and are adapted as an interconnecting member between the poles and a head connector. Each intermediate pivot connecting member confines the rod members to rotate upwardly only thus the tent is erected when the intermediate pivot connecting members are lifted to the upmost position and the tent is collapsed when the intermediate pivot connecting members are urged downwardly.
REFERENCES:
patent: 3826270 (1974-07-01), Hentges
patent: 3874398 (1975-04-01), Hendrickson
patent: 4066089 (1978-01-01), Rainwater
patent: 4077418 (1978-03-01), Cohen
patent: 4365908 (1982-12-01), Thiboutot
patent: 4779635 (1988-10-01), Lynch
patent: 5133378 (1992-07-01), Tanasychuk
patent: 5511572 (1996-04-01), Carter
Klein David I.
Mai Lanna
Rosenberg Morton J.
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