Hydraulic locking boltwork system

Closure fasteners – Bolts – Sliding

Patent

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Details

292 33, E05B 4700

Patent

active

046092153

ABSTRACT:
A hydraulic locking boltwork system includes a hand operated rotary actua hydraulic pump and a plurality of hydraulic cylinders in which each cylinder rod drives a deadbolt into the door frame including the top, bottom, and/or sides. Hydraulic devices are plumbed into the system to block hydraulic lines and lock the system, and an alarm triggers and/or activates automatic relocking devices.

REFERENCES:
patent: 2688865 (1954-09-01), Foster et al.
patent: 3295878 (1967-01-01), Houvener
patent: 4426358 (1984-01-01), Johansson

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