Timer with adjustable cam-operated switch

Claim 1

A MOTOR DRIVEN TIMER COMPRISING: A SWITCH HAVING A FIRST AND A SECOND CONTACT MEANS, SAID FIRST CONTACT MEANS BEING BIASED TOWARDS SAID SECOND CONTACT MEANS, AND SAID SWITCH BEING CLOSED WHEN SAID FIRST AND SECOND CONTACT MEANS ARE IN CONTACT WITH EACH OTHER AND BEING OPEN WHEN SAID FIRST AND SECOND CONTACT MEANS ARE IN A SPACED RELATIONSHIP IN RESPECT TO EACH OTHER; FIRST CAM MEANS HAVING A DROP SURFACE, A RISE SURFACE AND A DWELL SURFACE; SECOND CAM MEANS HAVING A DROP AND A RISE SURFACE, BOTH OF SAID CAM MEANS BEING CONNECTED TO THE MOTOR FOR ROTATIONAL MOVEMENT IN RESPECT TO SAID SWITCH; CAM FOLLOWER MEANS ENGAGING SAID FIRST CAM MEANS AND INCLUDING LATCHING MEANS WHICH, WHEN SAID SWITCH IS OPEN, ENGAGES SAID FIRST CONTACT MEANS AND RETAINS SAID FIRST CONTACT MEANS IN SAID SPACED RELATIONSHIP IN RESPECT TO SAID SECOND CONTACT MEANS, SAID FOLLOWER MEANS BEING MAINTAINED IN A POSITION IN WHICH SAID LATCHING MEANS IS CAPABLE OF ENGAGING SAID FIRST CONTACT MEANS WHILE SAID FOLLOWER MEANS ENGAGES SAID DWELL SURFACE OF SAID FIRST CAM MEANS, SAID FOLLOWER MEANS MOVING SAID LATCHING MEANS OUT OF ENGAGEMENT WITH SAID FIRST CONTACT MEANS WHEN SAID FOLLOWER MEANS ENCOUNTERS SAID DROP SURFACE OF SAID FIRST CAM AND THEREBY CAUSING SAID FIRST CONTACT MEANS TO MOVE TO A CONTACTING POSITION WITH SAID SECOND CONTACT MEANS, UPON ENCOUNTERING SAID RISE SURFACE OF SAID FIRST CAM MEANS SAID FOLLOWER MEANS MOVING SAID LATCHING MEANS TO A POSITION IN WHICH SAID LATCHING MEANS IS CAPABLE OF ENGAGING SAID FIRST CONTACT MEANS; SAID RISE SURFACE OF SAID SECOND CAM MEANS MOVING SAID FIRST AND SECOND CONTACT MEANS FROM ONE POSITION TO ANOTHER POSITION WHILE SAID CONTACT MEANS ARE IN SAID CONTACTING POSITION IN RESPECT TO EACH OTHER, SAID DROP SURFACE OF SAID SECOND CAM MEANS CAUSING SAID SECOND CONTACT MEANS TO MOVE BACK TO SAID ONE POSITION AND CAUSING SAID FIRST CONTACT MEANS TO ENGAGE SAID LATCHING MEANS TO PERMIT SAID FIRST AND SECOND CONTACT MEANS TO ASSUME A SPACED RELATIONSHIP IN RESPECT TO EACH OTHER; AND MEANS TO VARY THE RELATIVE ANGULAR POSITION OF SAID FIRST CAM MEANS IN RESPECT TO SAID SECOND CAM MEANS TO THEREBY VARY THE LENGTH OF SWITCH-OPEN AND SWITCHCLOSED TIME DURING ONE REVOLUTION OF SAID FIRST AND SECOND CAM MEANS.