Rotary device for storing and accessing correlated information

Details Rotary device for storing and accessing correlated information Rotary device for storing and accessing correlated information

1993-03-03

1995-06-06

Fridie, Willmon

Printed matter

With sliding leaf

B42D 1500

Patent

active

054216176

ABSTRACT:
A cylindrical drum has correlated information stored thereon in circumferentially extending longitudinally spaced rows. The drum is rotatably disposed within an open cylinder and the cylinder has windows longitudinally spaced therealong so as to correspond to the longitudinal spacing of the rows. The drum is attached to knobs which are integral with end caps for closing the cylinder, and when the drum is rotated via the knobs the information on the drum is accessed and is visible through the windows in the cylinder.

REFERENCES:
patent: 1209878 (1916-12-01), Oliver
patent: 2293175 (1942-08-01), Ruhl et al.
patent: 4369358 (1983-01-01), Adams

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