Adjustable display device

Details Adjustable display device Adjustable display device

1980-12-02

1982-05-18

Mancene, Gene

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403104, 403107, 40 10R, 40607, G09F 1500

Patent

active

043298001

ABSTRACT:
A lightweight display device capable of vertical adjustment to desired height having a display frame attached to one end of a rod whose other end is formed with a pair of resilient arms having a plurality of teeth for the outer surface. The rod is positioned for ratchet-like vertical movement within a hollow tube having a threaded inner surface which engages with the teeth. The frame can be raised or lowered, along the length of the rod, by extending a vertical force thereto sufficient to deflect the arms of the rod away from the threads of the tube. When the vertical force is removed, the teeth re-engage with the threads to support the display frame at the desired height.

REFERENCES:
patent: 294493 (1884-03-01), Miner
patent: 2785487 (1957-03-01), Hopp
patent: 2882629 (1959-04-01), Moebius
patent: 3421473 (1969-01-01), Weichendrieder

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