Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1979-03-07
1981-01-13
Perham, Alfred C.
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
52 63, A45F 116, E04B 112
Patent
active
042443849
ABSTRACT:
A modular shelter system (10) used for the purpose of providing a substantial internal volume insulated from external environmental conditions. The modular shelter system (10) includes at least a pair of base members (12) having base rod support mechanisms (24) mounted in releasable fashion thereto. Support mechanisms (34) joined each to the other and to base members (12) provide for a generally hemispherical envelope. Support mechanisms (34) are coupled each to the other in releasable fashion and in a pivotal manner in order that they may be folded in contiguous mounting each to the other for compact storage and/or transportation. The support mechanisms (34) are secured to covering member (102) which is mounted on top of the generally hemispherical envelope provided by the mounted support mechanisms (34).
REFERENCES:
patent: 609553 (1898-08-01), Lloyd
patent: 1958296 (1934-05-01), Crow
patent: 2856942 (1958-10-01), Scott
patent: 2960993 (1960-11-01), Holmstrom
Perham Alfred C.
Rosenberg Morton J.
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