Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1980-09-10
1982-10-05
Bell, J. Karl
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
135 4R, A45F 116
Patent
active
043523625
ABSTRACT:
A novel tent apparatus and method, the tent apparatus including a first tent shell having sidewalls and a floor. The support structure for the tent shell includes a plurality of interconnectable pole structures and an external, umbrella-type rib structure for placing the tent poles in an outwardly directed tension. The tent pole structure is integrally joined to the tent shell so as to provide a unitary, man-portable and erectable tent structure.
REFERENCES:
patent: 1502898 (1924-07-01), Berg
patent: 2543684 (1951-02-01), Blanchard
patent: 3168101 (1965-02-01), Porter
patent: 3223098 (1965-12-01), Dole
patent: 3794054 (1974-02-01), Watts
patent: 3834410 (1974-09-01), Leibel
patent: 4192333 (1980-03-01), Sato
patent: 4193413 (1980-03-01), Watts et al.
Bell J. Karl
Jensen Allen R.
Workman H. Ross
Young J. Winslow
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