Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1978-12-15
1980-09-23
Blix, Trygve M.
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
135 6, B63B 1702
Patent
active
042234140
ABSTRACT:
A boat hull of the type including an upwardly opening interior bounded by generally horizontal deck surfaces is provided together with a cover structure for the boat of predetermined shape including downwardly facing marginal edges. Support structure is provided and supports the cover structure relative to the boat hull for shifting between a closed position with the downwardly facing marginal edges of the cover at least closely overlying the horizontal deck surfaces and closing the interior from above and an open position affording access to the interior of the boat hull from above. A first form of cover includes a forward portion pivotally supported from the bow stop of a trailer upon which the boat hull is supported with the cover oscillatable about a horizontal transverse axis. In a second form of the invention, the cover comprises a pair of opposite side cover sections supported from corresponding front and rear opposite side uprights of the associated trailer and the cover sections are mounted from the uprights for vertical shifting therealong and swinging relative thereto about horizontal longitudinal axes extending between the corresponding uprights. Finally, a third form of the invention includes a forward portion pivotally supported from the bow of the associated boat with the cover being angularly displaceable about a horizontal transverse axis relative to the boat and removable therefrom.
REFERENCES:
patent: 3107369 (1963-10-01), Zijlstra
patent: 3831208 (1974-08-01), Smith
Blix Trygve M.
Jacobson Harvey B.
O#Brien Clarence A.
Sotelo Jesus D.
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