Construction keying

Details Construction keying Construction keying

E - Fixed Constructions

05

B

70/56

E05B 19/08 (2006.01) E05B 27/00 (2006.01) E05B 19/26 (2006.01)

Patent

CA 1318515

0262-SL-SD ABSTRACT The invention comprises a two part key which replaces a conventional key in a conventional lock cylinder for purpose of temporary use wherein one of the parts is a plastic or similar material insert which replaces a portion of the conventional key and a short complimentary key which permits operation of the lock in conjunction with the insert. The insert being secured in the cylinder by means of the cylinder locking pins and being removable only by means of a special installation and extraction tool.

566192

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