E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 47/00 (2006.01) E05B 19/26 (2006.01) E05B 35/08 (2006.01)
Patent
CA 2046854
In a magnetic key operated lock a slide member carries a plurality of wheels which carry magnet pins. The position of the pins forms part of a code of the lock. The wheels are caused to rotate by insertion of a key having a code for unlocking the lock and moving the slide member. As the slide member moves, one of the pins which is repelled by the key abuts a stop which thus causes the respective wheel, and so the other wheels, to rotate. By having wheels of two different sizes, the smaller wheels can be made to rotate more than once before a code is repeated. An abutment is formed by pressing a tang from stationary wall in the lock. Variations in which a single wheel may have more than one abutment associated with it so that a magnet pin can be used to change the code when it is in more than one position, and a wheel may pins of different polarities with respect to the key are also disclosed.
Marks & Clerk
Sedley Bruce Samuel
LandOfFree
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