초록 ▼

A method high security locking includes inserting a shackle having two ends into a lock body having openings for receiving the ends of the shackle. A latch in the lock body has a catch that snaps into engagement with the shackle for securing at least one end of the shackle in the body. The latch may

A method high security locking includes inserting a shackle having two ends into a lock body having openings for receiving the ends of the shackle. A latch in the lock body has a catch that snaps into engagement with the shackle for securing at least one end of the shackle in the body. The latch may be released to allow the one end of the shackle to move clear of the body. to open the lock. The shackle is made of a shape memory effect alloy having a characteristic that its yield strength increases when work is impressed on it, so that cutting or breaking the shackle with common tools is more difficult and time consuming than with other shackle materials. The lock thus provides a level of security substantially superior to conventional locks.

대표청구항 ▼

[ I claim:] [1.] A method of releasably securing a hasp, having a slotted tongue and an apertured member sized to be received in said tongue slot, in a closed position with a padlock secure against opening by cutting or breaking said padlock with common lock breaking tools, comprising:closing said h

[ I claim:] [1.] A method of releasably securing a hasp, having a slotted tongue and an apertured member sized to be received in said tongue slot, in a closed position with a padlock secure against opening by cutting or breaking said padlock with common lock breaking tools, comprising:closing said hasp by inserting said apertured member through said slot in said tongue;inserting a primarily monolithic Nitinol shackle on said padlock through said aperture of said member;pressing said Nitinol shackle in a pair of bores in a lock body of said padlock so that both ends of said shackle are within said lock body; andlatching said shackle in a closed position in said lock body with a catch.