Electric timer

Claim 1

AN ELECTRIC TIMER COMPRISING A GENERALLY RECTANGULAR CASING HAVING A FRONT PANEL, OPPOSING END WALLS AND A TOP, A HORIZONTAL SUPPORTING PLATE IN THE CASING HAVING SPACED UPRIGHT WINGS THEREON, SHAFT PASSING THROUGH AND ROTATABLY SUPPORTED IN SAID WINGS, THE SHAFT PROJECTING THROUGH ONE OF THE END WALLS OF THE CASING WITH THREADS ON THE OUTER PROJECTING END, A SYNCHRONOUS CLOCK MOTOR SUPPORTED ON ONE OF SAID WINGS AND GEARED TO THE SHAFT FOR ROTATING IT AT A PREDETERMINED RATE, A CAM DISK ON THE SHAFT ADJACENT THE OTHER WING WITH A PERIPHERY THAT IS CONCENTRIC WITH THE SHAFT, THE DISK HAVING A NOTCH THEREIN, A MICRO-SWITCH SUPPORTED ON SAID OTHER WING WITH A CAM FOLLOWER FOR OPERATING THE SAME RESILIENTLY URGED AGAINST THE PERIPHERY OF SAID DISK, A CALIBRATED DIAL ON SAID SHAFT WITH CALIBRATIONS ABOUT ITS PERIPHERY READING UPWARD FROM A "ZERO" MARK, THE FRONT PANEL HAVING A WINDOW IN WHICH A PORTION ONLY OF THE DIAL IS VISIBLE AT ONE TIME AND WHICH HAS AN INDICATING POINTER AT THE WINDOW TO REGISTER WITH CALIBRATIONS ON THE DISK, THE "ZERO" MARK ON THE DIAL BEING ALIGNED WITH THE POINTER WHEN THE CAM FOLLOWER OF THE MICRO-SWITCH IS ENGAGED IN THE NOTCH OF SAID DISK, A PAIR OF OUTLET RECEPTACLES MOUNTED IN AND ACCESSIBLE AT THE EXTERIOR OF THE CASING, ONE OF SAID RECEPTACLES AND THE SYNCHRONOUS MOTOR BEING CONNECTED WITH THE MICRO-SWITCH TO BE ENERGIZED WHEN THE FOLLOWER IS AGAINST THE PERIPHERY OF THE DISK BUT DE-