H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/47
H01H 36/00 (2006.01)
Patent
CA 1146997
Re; Patent application Serial No. 295,33o A B S T R A C T The switching device of the present inventioncomprises at least one driver member, guide means supporting and adapted to guide the driver member for free travel in a predetermined path, at least one movable slave member provided with pivoting means and having at least one free end, pivot means cooperating with the slave member and adapted to support and guide the slave member for free pivotal movement between a first magnetically locked position and a second actuated position. Magnetic elements having predomi- nant magnetic surfaces are arranged on the driver member and on the slave member, with at least one of the magnetic elements being a permanent magnet. With the driver member and the slave member arranged in combination, the respective magnetic surfaces are arranged in relation to each other so that they face and overlie each other to the extent that a magnetic locking act- ion holds the slave member in a first locked position against the magnetic surface of the driver member. Bearing means on the driver member, arranged to be moved into position to make contact with a cooperating position on the slave member, is provided. The cooperating position being chosen with respect to the pivot of the slave member in such manner as to allow the application of a preselected actuating leverage. With the bearing means on the driver member in contact with a preselected position on the slave mem- ber, an actuating force,applied to the driver member, is transferred,thro- ugh the bearing means, onto the slave member. As the driver member is moved in its predetermined path, the slave member is pivoted away from the first magnetically locked position to a second, actuated position. With the slave member in the second position, the magnetic force of attraction being sufficient to reverse the movement of the slave member and the driver member.
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