Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1978-01-23
1979-06-05
Wyche, Benjamin W.
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
135 15PE, 135 15PQ, 135DIG1, A45F 116
Patent
active
041570987
ABSTRACT:
A portable shelter including a plurality of sidewall framing sections, a plurality of connectors joining adjacent sidewall sections to form spaced parallel vertical sidewalls, a plurality of arched crossmembers joining the top portions and the end portions of the spaced vertical sidewalls, crossbrace members extending between adjacent end portions of the spaced sidewalls, and a covering of a flexible sheet material disposed over the assembled sidewall sections and arched crossmembers; the sidewall framing sections being formed of four straight lengths of tubing affixed perpendicular to each other with the ends of each length of tubing extending a significant distance beyond the crossing point thereof with lengths of tubing perpendicular thereto, certain of the sidewall framing sections being of a square configuration of equal height and width and having a length of tubing disposed intermediate and parallel to the lengths of tubing forming opposite sides of the sidewall sections, and other of the sidewall sections being of a rectangular configuration with a height equal to the sidewall sections of square configuration and a width approximately one-half the height and having diagonal brace members connecting opposite crossing points of the lengths of tubing; and said sidewall framing sections being reversible and investable and capable of accommodating the ends of said arched crossmembers in any orientation.
REFERENCES:
patent: 462077 (1891-10-01), Goss
patent: 1315097 (1919-09-01), Denney
patent: 2711180 (1955-06-01), Sims et al.
patent: 3957069 (1976-05-01), Denaro
Berman Conrad L.
Urban Arthur L.
Wyche Benjamin W.
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