Roll display device

Card – picture – or sign exhibiting – Changing exhibitor – Double reel and web

Patent

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Details

40155, 40603, G09F 718

Patent

active

041715853

ABSTRACT:
A roll display device having a pair of roll mounting cylinders, an expandable frame rotatably mounting the cylinders at the ends of the frame and a base support for the frame. Each mounting cylinder has means for quickly clamping a roll end on it. Means are provided for rotating each mounting cylinder to wind or unwind a roll on or off it thus moving the roll, in either direction across the frame.

REFERENCES:
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patent: 1396553 (1921-11-01), Bovy
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patent: 1699176 (1929-01-01), Zaremba
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patent: 2479812 (1949-08-01), Cechmanek
patent: 2588803 (1952-03-01), Coffey
patent: 2720718 (1955-10-01), Vaniman
patent: 2832172 (1958-04-01), Shelp
patent: 3228455 (1966-01-01), Jacobson
patent: 3367050 (1968-02-01), Doyle
patent: 3543425 (1970-12-01), Mulvey

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