Display case security apparatus

Details Display case security apparatus Display case security apparatus

1991-02-25

1992-11-24

Falk, Joseph

Supports: cabinet structure

Show-case type

109 54, 109 585, 312139, 312204, A47B 8800

Patent

active

051657686

ABSTRACT:
A display case security apparatus has a lower chamber having a top partition wall and a bottom wall. There is an upper chamber. A partition wall has a plurality of ports therethrough that provide access between the lower chamber and upper chamber. There is at least one trapdoor, hingingly connected to the partition wall. There is at least one trapdoor biasing device, that has one end attached to the trapdoor and that has another end attached to the bottom wall. At least one security door, slidably attached to the partition wall, slidingly closes the ports when the trapdoor has moved to the open position. There is at least one security door biasing device that has one end attached to the partition wall and that has another end attached to the security door. The security door is secured in an open position by at least one first lock device attached to the partition wall. A trapdoor releasing device, attached to the partition wall, comprises at least one release lug, at least one first release actuator and at least one release lug rod connecting the release lugs and the release actuator to rotate the lugs and allow the trapdoors to move from the closed position to the open position. There is a sensor circuit to electronically actuate the trapdoor releasing device and the first lock release device.

REFERENCES:
patent: 1787809 (1931-01-01), Allen et al.
patent: 3716281 (1973-02-01), Rudder

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