Supports: cabinet structure – Show-case type
Patent
1978-04-13
1979-02-27
Sakran, Victor N.
Supports: cabinet structure
Show-case type
312304, 292144, 361171, 292DIG46, A47F 300, H01H 4700
Patent
active
041416104
ABSTRACT:
A show case for displacing articles of commerce having an electronic lock and partially open in the front side for slidably receiving a pair of sliding doors which are adapted to overlap at their inner edges when the doors are in the closed position, said doors having holes at their inner edges adapted to align with each other when the doors are the closed position and said electronic lock including a solenoid in a position corresponding to the position of said inner edges of the doors in the closed position, a lock pin movable between the retracted position in which the lock pin is received in the solenoid and the extended position in which the lock pin is received in the holes in the doors in the closed position, a receiver adapted to receive radio waves from an external source, door closing detection means and a solenoid drive circuit electronically connected to said receiver though a timer for driving said lock pin to the retracted position upon receipt of the output signal from said receiver and also connected to said door closing detection means through a timer for driving the lock pin to the extended position in response to the detection of the closing of said doors by door closing detection means.
REFERENCES:
patent: 1907625 (1933-05-01), Vogt
patent: 2735739 (1956-02-01), Patriarca
patent: 3094861 (1963-06-01), Sayles
patent: 3765709 (1973-10-01), Van Wyck
patent: 3795417 (1974-03-01), Cohen
patent: 4053939 (1977-10-01), Makauchi et al.
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