Closure fasteners – Bolts – Multiple
Patent
1989-03-30
1991-01-22
Smith, Gary L.
Closure fasteners
Bolts
Multiple
292201, E05C 900
Patent
active
049865773
ABSTRACT:
A security lock mechanism for locking first and second structures to one another to define a controlled space on one side of the structures and for requiring the simultaneous efforts of two persons to unlock the mechanism from locations outside the controlled space. The mechanism includes a first and second latch members attached to the first structure; first latch mechanism attached to the second structure for being locked to the first latch member; second latch mechanism attached to the second structure for being locked to the second latch member; and control strucutre for unlocking the latch mechanisms from the latch members; the control structure inlcuding adjacent control structure for being activated from a location adjacent but outside the controlled space and including remote control structure for being activated from a location remote from the controlled space; the control structure unlocking the latch mechanisms from the latch members only if the adjacent and remote control structures are activated simultaneously.
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Milano Michael J.
Smith Gary L.
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