Umbrella type collapsible shelter

Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing

Patent

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Details

135 3E, 135 4R, A45F 104

Patent

active

042023637

ABSTRACT:
A collapsible shelter of the umbrella-tent type including a foldable frame and a cover of sheet material affixed to the frame. The frame comprises a plurality of support members having mutually respective ends pivotally connected to a central hub. The central hub is mounted on elongate erecting guide means located at the apex of the frame. A second hub is mounted on the guide means below the central hub, and a plurality of rib members are pivotally connected at mutually respective ends to the second hub, with the other ends of the rib members being pivotally connected to corresponding, respective support members, so that when the shelter is in its erected form, the support members extend outwardly and downwardly from the central hub, the second hub is positioned adjacent or proximate to the central hub, the rib members extend substantially radially outwardly from the erecting guide, and the cover is held tautly affixed to the frame. Means are provided for releasably connecting and holding the second hub and the central hub together as a rigid unit to avoid untimely collapse of the shelter by inadvertent, undesired, downward movement of the second hub away from the central hub. The shelter can be collapsed, when desired, by disengaging the second hub from the central hub and moving the second hub downwardly away from the first hub. When the shelter is collapsed, the support members extend downwardly as a bundle from the central hub, the ribs are folded to positions substantially within the bundle of collapsed support members, and the cover is loosely affixed to the frame. In a preferred embodiment, the support members are segmented and can be folded upon themselves to greatly shorten the length of the collapsed bundle thereof.

REFERENCES:
patent: 2864389 (1958-12-01), Smith
patent: 3455310 (1969-07-01), Peterson
patent: 3794054 (1974-02-01), Watts
patent: 3874397 (1975-04-01), Oberhaus
patent: 3929146 (1975-12-01), Maiken

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