Security mechanism for telephone paystations

Details Security mechanism for telephone paystations Security mechanism for telephone paystations

1989-06-09

1990-07-24

Wolfe, Robert L.

Locks

Operating mechanism

Key

70DIG72, 70134, 379445, 379155, 379451, 312222, E05B 1100

Patent

active

049427482

ABSTRACT:
A security mechanism for use in a telephone paystation upper housing consisting of a specialized latching mechanism which operates when a non-legal key combination is utilized to gain access to a paystation upper housing to inhibit unlocking of the upper housing and to inhibit the removal of key utilized to gain access to the upper housing. The mechanism is available in kit form and may be added to existing paystations without major modification thereto.

REFERENCES:
patent: 3142522 (1964-07-01), Hall et al.
patent: 3213210 (1965-10-01), Samples
patent: 3258535 (1966-06-01), Nawman
patent: 3317674 (1967-05-01), Nawman
patent: 3391256 (1968-07-01), Nawman
patent: 3393273 (1968-07-01), Bustos
patent: 3846594 (1974-11-01), Morrell et al.
patent: 3868483 (1975-02-01), Trimmer et al.
patent: 4416413 (1983-11-01), Chester
patent: 4691543 (1987-09-01), Watts
patent: 4753092 (1988-06-01), Mercer

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