Security mechanism for telephone paystations
AssigneePalco Telecom Inc.
InventorGerald B. McGough
Life of this patent
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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.
Claims8
A security arrangement for a telephone paystation upper housing, including a cylinder lock, a locking bar engageable by said lock, a torsion bar, and latch means secured to said locking bar and to said torsion bar, said latch means comprising:
- a latch plate, including a first opening;
- said latch plate further including a second opening, including at least two communicating areas angularly related to each other;
- a bearing plate;
- a first projection extending from said bearing plate through said first opening facilitating rotational motion of said latch plate around said first projection from said bearing plate;
- and a projection from said locking bar normally extending through a first one of said communicating areas in said latch plate and in response to vertical movement of said locking bar resulting from engagement by said cylinder lock, said locking bar projection moved into a second one of said communicating areas whereby said locking bar is inhibited from further vertical embodiment.
Dependencies are inferred from the claim text.