Portable projection screen

Details Portable projection screen Portable projection screen

1975-05-14

1977-04-12

Wintercorn, Richard A.

Supports

Pipe or cable

Extending through plate

248165, G03B 2156

Patent

active

040171523

ABSTRACT:
A portable projection screen including a sheet of flexible material and a collapsible support for the sheet. The support includes a central hub member having a plurality of sockets therein. Multiple extensible-contractible rods fit at one set of their ends in the hub member and radiate outwardly therefrom. The outer ends of the rods are received in connectors secured to edge margins of the sheet, and when the rods are extended they tense the sheet into a substantially planar surface. A collapsible mast is provided for supporting the screen above a horizontal surface, or for hanging it on a wall.

REFERENCES:
patent: 2968033 (1961-01-01), Kreitzberg
patent: 3255988 (1966-06-01), Albee, Jr.

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