Tent – canopy – umbrella – or cane – Portable shelter – Cone-shaped type
Patent
1987-08-13
1989-05-23
Raduazo, Henry E.
Tent, canopy, umbrella, or cane
Portable shelter
Cone-shaped type
135113, E04B 134, A45F 114
Patent
active
048320676
ABSTRACT:
A weather protective roofing structure for small aircraft comprising a plurality of hemispherical bars which are supported in a rotatable manner around a common axis, which bars are attached to and covered with a plurality of covering material segments forming a hemispherical cover. The hemispherical bars are rotatable around the common axis by means of a tackle apparatus and an electrical winch during assembly of the roofing structure to form an enclosure, and during disassembly and folding of the hemispherical cover. Assembly and disassembly are facilitated by means of two torsion springs provided at the hinge assemblies and attached to the outermost bar.
REFERENCES:
patent: 823372 (1906-06-01), Stevens et al.
patent: 2266853 (1941-12-01), Dabney
patent: 3190300 (1965-06-01), Wearn
patent: 3202159 (1965-08-01), Reed
patent: 3540458 (1970-11-01), Osterhoudt
patent: 3712316 (1973-01-01), Leonard
Raduazo Henry E.
Speckman Thomas W.
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