Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1976-11-08
1978-02-21
Schroeder, Werner H.
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
52 63, 135 15PQ, 135 20M, 403 85, 403100, A45F 116
Patent
active
040746828
ABSTRACT:
A collapsible tent frame has all of its parts permanently connected to one another to provide a complete single unit and is easily changeable between a fully deployed condition, a partially deployed condition and a compact collapsed condition by simple manual manipulations. In either its fully deployed condition or its partially deployed condition, the frame is adapted to receive and support a tent fabric or other covering to provide a shelter lending itself to a variety of uses.
REFERENCES:
patent: 33959 (1961-12-01), Pullan
patent: 1743043 (1930-01-01), McLean
patent: 2530765 (1950-11-01), Greenud
patent: 2720886 (1955-10-01), Byczek
patent: 3563592 (1971-02-01), Preston
Berman Conrad L.
Schroeder Werner H.
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