Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1980-03-03
1982-01-19
Bell, J. Karl
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
135 4R, 52108, A45F 100
Patent
active
043111599
ABSTRACT:
The shelter is supported by three flexible support members, two of which extend around opposite peripheral edges of the shelter and the third of which provides vertical support to the shelter center. Each of the flexible support members is formed from a plurality of segments which are connected on one side by a reinforcing tape and on the other side by elastic material in order that the supports can flex in one direction. The ends of the three flexible supports are attached to brackets disposed on opposite sides of the shelter and held to the ground by stakes or pins. By removing one of the brackets, the flexible supports are allowed to extend from the shelter material and the entire shelter can be rolled up into a compact form for storage or transportation.
REFERENCES:
patent: 2167219 (1939-07-01), Sankey
patent: 2475515 (1949-07-01), Potter
patent: 3082780 (1963-03-01), Macy
patent: 3190300 (1965-06-01), Wear'n
patent: 3353547 (1967-11-01), Albright
patent: 3925943 (1975-12-01), Petrie
Bell J. Karl
Jacobson Harvey B.
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