Adjustable clock controlled switch mechanism

Claim 1

AN ADJUSTABLE CLOCK CONTROLLED MECHANISM COMPRISING A CLOCK DRIVEN ELEMENT, A ROTATABLE SETTING SPINDLE, A SWITCH OPERATING MEMBER CONNECTED TO SAID SPINDLE, AN INTERMEDIATE ELEMENT ROTATABLE ON SAID SPINDLE, A LOST MOTION CONNECTION BETWEEN THE SETTING SPINDLE AND THE INTERMEDIATE ELEMENT, SPRING MEANS CONNECTED BETWEEN THE SETTING SPINDLE AND THE INTERMEDIATE ELEMENT, FRICTION MEANS RESTRAINING ROTATION OF THE INTERMEDIATE ELEMENT AS THE LOST MOTION IS TAKEN UP AND THE SPRING MEANS ARE LOADED BY ROTATION OF THE SPINDLE, DETENT MEANS ON SAID INTERMEDIATE ELEMENT, A PART ROTATING WITH THE SPINDLE AND MOVABLE INTO ENGAGEMENT WITH THE DETENT MEANS WHEN THE LOST MOTION IS TAKEN UP SO THAT WHEN SAID PART IS IN ENGAGEMENT WITH THE DETENT MEANS TO SPRING MEANS ARE HELD IN A LOADED CONDITION, SAID PART BEING DISPOSED IN THE PATH OF MOVEMENT OF THE CLOCK DRIVEN ELEMENT, SAID ROTATABLE SETTING SPINDLE HAVING MEANS ACTING TO TAKE UP THE LOST MOTION DURING THE FIRST PORTION OF ITS MOTION IN A SETTING SENSE AND SIMULTANEOUSLY ACTING TO LOAD SAID SPRING MEANS UNTIL SAID PART ROTATING WITH THE SPINDLE IS HELD BY SAID DETENT MEANS, HE MOVEMENT OF SAID SPINDLE AS THE LOST MOTIONS IS TAKEN UP ACTING TO MOVE SAID SWITCH OPERATING MEMBER FROM A FIRST POSITION TO A SECOND POSITION, SAID ROTATABLE SETTING SPINDLE HAVING A FURTHER AND VARIABLE PORTION OF ITS MOTION OF ROTATION IN SAID SETTING SENSE DURING WHICH IT ACTS TO ROTATE SAID INTERMEDIATE ELEMENT AND TO LOCATE SAID PART ROTATING WITH THE SPINDLE AT A DESIRED POSITION ALONG THE PATH OF MOVEMENT OF SAID CLOCK DRIVEN ELEMENT SO THAT SUBSEQUENT ENGAGEMENT OF SAID PART BY SAID CLOCK DRIVEN ELEMENT RELEASES SAID PART FROM SAID DETENT MEANS AND CAUSES SAID SETTING SPINDLE TO ROTATE IN A SENSE OPPOSITE TO SAID SETTING SENSE UNDER THE ACTION OF SAID SPRING MEANS AND RETURNS SAID SWITCH OPERATING MEMBER FROM SAID SECOND POSITION TO SAID FIRST POSITION.