Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1981-06-11
1983-06-21
Pinkham, Richard C.
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
A45F 116
Patent
active
043889395
ABSTRACT:
An on-land-type portable knock-down duck-blind comprises a frame formed of a plurality of arch-shaped metal or plastic tubes adapted to support a removable water-proof fabric cover. The tubes are held in parallelism by short spacing tubes, and are interconnected and are braced by a transverse inverted-U-shaped member having spaced U-shaped bends therein to receive sleeves which detachably connect the ends of each arch-shaped tube where medially divided for portable compactness. A pair of two-panel doors are mounted on rectangular frames which are detachably mounted on the central pair of parallel tubes by depending pins received in holes in the tubes.
REFERENCES:
patent: 1777028 (1930-09-01), Berbeck
patent: 2827138 (1958-03-01), Roy, Jr.
patent: 4091584 (1978-05-01), Brown
patent: 4257132 (1981-03-01), Kerby
Brown T.
Pinkham Richard C.
Staubly Ralph F.
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