Control mechanism to position a member

Claim 1

A CONTROL MECHANISM FOR CONTROLLING ENERGIZATION AND DEENERGIZATION OF A REMOTELY LOCATED POWER OPERATED DEVICE, SAID CONTROL MECHANISM INCLUDING AN OPERATING STEM, A STEM ACTUATING ARM CONNECTED TO SAID OPERATING STEM, LINKAGE MEANS FOR SAID CONTROL MECHANISM HAVING A PIVOT, SAID STEM ACTUATING ARM ONE END THEREOF BEING PIVOTALLY CONNECTED TO SAID PIVOT, DRIVE MEANS ENGAGING SAID STEM ACTUATING ARM AT THE OTHER EXTREMITY THEREOF AND BEING SELECTIVELY OPERATIVE TO IMPART OSCILLATION TO SAID STEM ACTUATING ARM ABOUT SAID PIVOT AND THEREBY TO IMPART MOVEMENT TO SAID OPERATING STEM, SAID LINKAGE MEANS BEING MOVABLE BETWEEN FIRST AND SECOND POSITIONS TO CAUSE MOVEMENT OF SAID PIVOT AND THROUGH SAID PIVOTAL CONNECTION WITH SAID STEM ACTUATING ARM TO IMPART ROTATIONAL MOVEMENT TO SAID STEM ACTUATING ARM ABOUT SAID DRIVE MEAN AND TO THEREBY IMPART MOVEMENT TO SAID OPERATING STEM, A SMALL ROTARY ELECTRIC MOTOR ADAPTED TO CONTROL MOVEMENT OF SAID DRIVE ELECTRIC MEANS, AN ELECTRICAL CIRCUIT CONNECTING SAID MOTOR WITH A SOURCE OF ELECTRICAL POTENTIAL, SAID CIRCUIT INCLUDING A FIRST SWITCH FOR CONTROLLING ENERGIZATION OF THE CIRCUIT, A SECOND SWITCH IN SAID CIRCUIT BEING NORMALLY BIASED TO ITS CLOSED POSITION AND ADAPTED TO BE CONTACTED AND MOVED TO ITS OPEN POSITION BY SAID ACTUATING ARM IN ONE POSITION THEREOF TO DEENERGIZE SAID MOTOR CIRCUIT THEREBY STOPPING SAID STEM ACTUATING ARM AT SAID ONE POSITION, SAID LINKAGE MEANS BEING MOVABLE RESPONSIVE EITHER TO OPENING OF SAID FIRST SWITCH OR FAILURE OF SAID ELECTRICAL POTENTIAL TO EFFECT MOVEMENT OF SAID PIVOT AND SAID STEM ACTUATING ARM TO SAID ONE POSITION.