E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 27/00 (2006.01) E05B 35/08 (2006.01) E05B 15/14 (2006.01) E05B 67/24 (2006.01)
Patent
CA 2044145
A B S T R A C T Small pistons having an improved additional structure for a cylinder safety lock comprising an outer block cylinder (2) and an inner cylinder (3) rotatable within the former. Each composite lower pin (20) of a safety lock comprises a hollow piston (8) and a peg (9) slidably received within the piston, and the upper pins (7) of the outer cylinder are of a magnetic material to attract metal holed disks housed in cylindrical seats (17) of the outer cylinder (2) to automatically replace the opening key (1) with another key (1') having a different profile. (Fig. 1)
Di Motta Benito
Marks & Clerk
LandOfFree
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