E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
24/83.1
E05B 65/18 (2006.01) E05C 19/08 (2006.01)
Patent
CA 1050241
ABSTRACT OF THE DISCLOSURE A method of using a locking device, which includes a case hardened bolt and a nut which can easily be hand threaded onto it, is provided. The shank of the bolt above a threaded outer portion is of a reduced diameter such that the nut can turn freely with respect to the bolt. This portion of reduced diameter is at least as long as the width of the nut. In use, the bolt is passed through at least two hasps which are to be locked in position with respect to each other. The nut is threaded onto the bolt to have position in alignment with the portion of reduced diameter. The threads on the bolt immediately adjacent the nut are then deformed using a hammer and blunt chisel making it impossible for the nut to be removed from the bolt. When it is desired that the hasps be unlocked with respect to each other, the bolt is destroyed by using a bolt cutter on the shank at a location between the head and the threaded outer portion, and the shank portions are removed from the hasps.
303626
Braddock William A.
Gudmundsen Richard L.
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