Switch actuator for an electromechanical locking unit

Details Switch actuator for an electromechanical locking unit Switch actuator for an electromechanical locking unit

E - Fixed Constructions

05

B

E05B 47/00 (2006.01) G07C 9/00 (2006.01)

Patent

CA 2209325

A switch actuator for an electromechanical locking unit, which locking unit includes a cylinder lock mechanism operated mechanically by a key, a blocking device functionally dependent on an electronic code to be fed from the key, and an electronic control unit, which on the basis of the electronic code is arranged to control the blocking device and which, under the control of the switch actuator, is connectable to an electric power source. The switch actuator comprises a permanent magnet to be attached in association with the cylinder lock, a reed switch located in the immediate vicinity of the permanent magnet within the magnetic field provided thereby and a piece of ferromagnetic material located in the key and arranged to be placed in the vicinity of the permanent magnet when the key is inserted into the cylinder lock so that it causes a change in the magnetic field influencing the reed switch to provide a control pulse, which is arranged to connect the electronic control unit to the power source.

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