Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1982-04-23
1984-09-18
Moon, Charlie T.
Metal working
Method of mechanical manufacture
Assembling or joining
70 89, 70 91, 70 93, 70136, 70144, 292264, 292DIG30, B23P 1100
Patent
active
044721439
ABSTRACT:
This invention is a unique method and apparatus for securing doors, windows, and the like, from unwarranted entry so that limited opening of the door, or the like, can be accomplished. The invention further provides for the emergency release of the securement device by a person from the inside of the locked room. Methods and apparatus for adapting and installing the securement device is unique and the unwarranted entry is further accomplished by means of unique design for preventing jarring or vibrating the securement device out of position of proper operation. Additional features include the allowing of entry into the room from the outside authorized persons by means of undetectable access features.
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Bennett Harvey G.
Hearold Owen E.
Moon Charlie T.
Schulze Herbert C.
Wallace Ronald S.
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