| 摘要 |
A repeat cycle timer of the type wherein a plurality of cams are coaxially rotated through a timed cycle to effect sequential energization of a plurality of switches adapted to control electrical elements remote therefrom. The timer is comprised of a plurality of identical interchangeable cam modules each including a cam hub and at least one switch associated therewith. The adjacent modules and cam hubs are rotatably driven by drive means. Certain of the cam hubs include adjustable cam surfaces thereon to permit variable switch programs to be presented. |
