Page:Patent for Switch US1206734.pdf/4

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means, one of said movable members 2 tionary contact means for each of said con contact being adapted to engage one of the station tacts, two movable members adapted to be ary contact means make one contact and moved into position to engage said station the other of said tomovable members being ary contact means, one of said movable mem bers being operated by one of said push but adapted to engage the other of said station 8 tons and the other of said movable members ary contact means to make another contact, an electro-magnet for locking said mov being operated by the other of said, push and able members in the position where they buttons, and an electro-magnet for locking make their respective contacts, said movable

said members in the position where they re members being so positioned relative to each spectively contact with said stationary con other that when one is locked in its contact tact means, and said movable members be ing position by said electro-magnet it will ing so positioned relative to each other that when one makes a contact, it will obstruct obstruct the path of movement of the other the path of movement of the other to pre movable member whereby the other movable member is prevented from being moved to 5 vent the other from making a contact. AC position. 5. In combination, a plate having aper contacting In testimony whereof I have hereunto set tures therethrough and having an outer face, two push buttons normally extending out my hand at Los Angeles, California, this through said apertures and beyond the outer 10th day of May, 1913. 20 face of said plate, said pushbuttons being WILLIAM A. SPALDING. adapted to be depressed through said aper In presence of - . tures and below the outer face of said plate, . JAMEs R. TowNSEND, twosaidpivotally mounted members stationary connected to pushbuttons respectively, RoBERT A. STEPs. Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patents, Washington, D. c." O

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