Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1979-03-21
1981-02-17
Basinger, Sherman D.
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
135 4R, 9 2F, B63B 706
Patent
active
042505836
ABSTRACT:
A collapsible boat includes a skeleton and an impervious skin tensioned about the skeleton. The skeleton includes a plurality of longitudinal and transverse frame members forming stringers and formers, the frame members being attached to the gunwale frame of the boat and the transverse members being turnable relative to the gunwale frame. The flexible skin is permanently attached to the gunwale frame and the longitudinal frame members are hinge connected to the gunwale frame at front and rear portions thereof. The longitudinal members are turnable relative to the gunwale frame in a direction transversely of the boat, and the longitudinal frame members along their horizontal portion each being provided with one or more hinge members turnable through an angle of 180.degree..
REFERENCES:
patent: 2545084 (1951-03-01), Harasty
patent: 4077418 (1978-03-01), Cohen
patent: 4124910 (1978-11-01), Raymond
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