Jail cell security systems

Details Jail cell security systems Jail cell security systems

1986-10-27

1988-02-09

Kannan, Philip C.

Movable or removable closures

Jail-type closure with remote control station

Motor operated control

49 20, E05B 4700

Patent

active

047233737

ABSTRACT:
A security system for a jail cell block is described. The individual cells are each provided by drop bar means which are shiftable between a position in which the cell door is locked and a position in which the door is released for opening movement. Deadlock means are provided to prevent movement of the drop bar means to the release position. A master control has a "Deadlock", a "Release" and an "Individual Cell" mode. In the "Deadlock" mode, additional means are provided to prevent movement of the drop bar means, of all cells, out of their locking positions. In the "Release" mode, the deadlock means of all cells are disabled and the drop bar means are displaced to their release positions. In the "Individual Cell" mode movement of the drop bar means, of all cells, is restrained only by the deadlock means and either key option means or remote switch means can be employed to selectively disable the deadlock means and shift the drop bar means of that cell to a release position, to permit opening of the cell door.

REFERENCES:
patent: 3837117 (1974-09-01), Butt
patent: 3913263 (1975-10-01), Butt
patent: 4641458 (1987-02-01), Pilcher et al.

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