Timer switch assembly having escapement mechanism

Abstract From the Canadian patent

An appliance timer including an axially narrow program wheel or disc mounted for rotation and having a plurality of grooves formed in its axially facing surfaces the grooves being concentric with the wheel's axis. The bottoms of the grooves define the program controlling surfaces. A plurality of double-pole, single-throw switches are mounted in the appliance timer housing the distal end, of the throw of each of the switches being formed to provide a follower which rides in one of said grooves against its program controlling surface, thereby controlling the switch. The switches in turn control the various appliance cycle portions. In the preferred embodiment the program, wheel is driven from …