Key storage and monitoring system

Details Key storage and monitoring system Key storage and monitoring system

1985-12-12

1987-06-16

Yusko, Donald J.

Communications: electrical

Systems

In and out indicators

116325, G08B 500, G08B 522

Patent

active

046739157

ABSTRACT:
A storage board for keys and other articles which keeps track of missing keys by assigning user codes to authorized users and making provision for the entry of a code when a key is removed. In one embodiment, the keys are stored on pegs mounted to rotate with dials which are turned to enter the user codes. Each key is stored on its peg in a spiral groove which retains the key against removal unless the dial is first rotated. In another embodiment, the pegs and dials are removed from one another, and an electric circuit energized an LED on the proper peg when the corresponding dial is turned. This provides an indication of the location of the key which is sought.

REFERENCES:
patent: 2554223 (1951-05-01), Szabo
patent: 3477404 (1969-11-01), Robinson
patent: 3641321 (1972-02-01), Tonne
patent: 3645227 (1972-02-01), Lahmer
patent: 4595922 (1986-06-01), Cobb et al.

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