Control means to energize a combination can opener and knife sharpener

Claim 1

IN AN AUTOMATIC CAN OPENER, THE COMBINATION COMPRISING A POWER DRIVEN CAN ROTATING WHEEL SUPPORTED ON AN UPRIGHT FRAME, SUPPORT MEANS FOR MOVABLY MOUNTING A CUTTER ON SAID FRAME, SAID CUTTER BEING MOVABLE BETWEEN A CAN LOADING POSITION IN WHICH SAID CUTTER AND WHEEL ARE VERTICALLY SPACED AND A CAN CUTTING POSITION IN WHICH SAID CUTTER OVERLAPS SAID FEED WHEEL, A MAGNETIC LID RETAINER PIVOTALLY MOUNTED ON SAID FRAME ABOVE SAID CUTTER, SAID LID RETAINER BEING MOUNTED ON SAID FRAME INDEPENDENTLY OF SAID SUPPORT MEANS, STOP MEANS ON SAID LID RETAINER TO LIMIT DOWNWARD PIVOTAL MOVEMENT OF SAID RETAINER TO A POSITION IN ENGAGEMENT WITH THE LID OF A CAN BEING OPENED THEREIN, AND CAM MEANS ON SAID SUPPORT MEANS POSITIONED TO ENGAGE SAID LID RETAINER WHEN SAID CUTTER MOVES TO THE CAN LOADING POSITION TO PIVOT SAID RETAINER UPWARDLY TO A RETRACTED POSITION.