E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
317/29, 70/3, 70
E05B 47/00 (2006.01) H01F 7/02 (2006.01) H01F 13/00 (2006.01)
Patent
CA 1233040
ABSTRACT A cylindrical key shank of magnetic material is magnetised by apparatus including a magnetising head with an electrical conductor presenting an arcuate surface towards the shank and having a slot extending from a boundary of the conductor almost to the arcuate surface. Apparatus for recognising the key is disclosed.
449929
Lowe & Fletcher Limited
Ridout & Maybee Llp
LandOfFree
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