Closure fasteners – Bolts – Sliding
Patent
1984-08-20
1986-09-02
Moore, Richard E.
Closure fasteners
Bolts
Sliding
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
Pickett Teddy L.
Self Henry L.
Beers Robert F.
Moore Richard E.
St.Amand Joseph M.
The United States of America as represented by the Secretary of
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