Cam operated range timer switch

Claim 1

A TIMER COMPRISING A ROTATABLE CAM, A FIRST MANUALLY OPERABLE SETTING MEANS ARRANGED IN CONCENTRIC RELATIONSHIP TO SAID CAM FOR ROTATING SAID CAM TO A PREDETERMINED POSITION, AN AXIALLY MOVABLE ROTATABLE CONTROL ELEMENT ARRANGED TO COACT WITH SAID CAM, A SECOND MANUALLY OPERABLE SETTING MEANS FOR ROTATING SAID ELEMENT TO A PREDETERMINED POSITION, COOPERATING MEANS ON SAID ELEMENT AND SAID CAM FOR MOVING SAID ELEMENT BETWEEN A FIRST AXIAL POSITION WHEN SAID CAM AND ELEMENT HAVE A SAME RELATIVE ANGULAR LOCATION AND A SECOND AXIAL POSITION WHEN SAID CAM AND ELEMENT HAVE DIFFERENT ANGULAR LOCATIONS, MOTOR DRIVEN MEANS FOR ENGAGING AND ROTATING SAID ELEMENT AT A FIXED SPEED WHEN SAID ELEMENT IS IN SAID SECOND AXIAL POSITION, SWITCH MEANS MOUNTED FOR OPERATION IN RESPONSE TO THE AXIAL MOVEMENT OF SAID ELEMENT, AND DIFFERENTIAL GEARING MEANS DISPOSED IN CONCENTRIC AND INTEGRAL ASSOCIATION WITH SAID SECOND SETTING MEANS AND INTERCONNECTING SAID SECOND SETTING MEANS WITH SAID CONTROL ELEMENT AND SAID CAM TO ALLOW INDEPENDENT SETTING OF SAID CAM BY SAID FIRST SETTING MEANS AND INDEPENDENT SETTING OF SAID CONTROL ELEMENT BY SAID SECOND SETTING MEANS.