Magnetic valve control mechanism for receptacle filling machines

Claim 1

A ROTARY FILLING MACHINE HAVING A PLURALITY OF FILLING ASSEMBLIES OVERLYING AND MOVABLE ALONG A PATH IN SYNCHRONSM WITH A PLURALITY OF CONTAINER RECEIVING POCKETS, COMPRISING A COMMON RESERVOIR FOR MATERIAL; MEANS ASSOCIATED WITH EACH OF SAID FILLING ASSEMBLIES FOR AUTOMATICALLY FLOWING A MEASURED QUANTITY OF MATERIAL INTO A CON TAINER LOCATED BENEATH ITS CORRESPONDING FILLING ASSEMBLY COMPRISING AN OUTLET, A FILLER CONTROL VALVE RECIPROCABLE BETWEEN TWO POSITIONS, A PATH COMMUNICATING WITH SAID RESERVOIR THROUGH SAID PORT AND WITH SAID OUTLET; EACH SAID FILLER CONTROL VALVE INCLUDING A CAM FOLLOWER CONNECTED THERETO, SURFACE MEANS IN THE PTH OF SAID CAM FOLLOW FOR GUIDING SAID CONTROL VALVE IN A FIRST POSITION, MAGNETIC HOLDING MEANS IN FIXED RELATION TO SAID FILLING MACHINE FOR MAGNETICALLY HOLDING AND FILLER CONTROL VALVE IN A SECOND POSITION DURING VALVD MOVEMENT ALONG A PATH, A MOVABLE CAMMING SURFACE IN THE PATH OF SAID CAM FOLLOWER FOR EFFECTING AN INCLINED MOVEMENT OF EACH SAID CONTROL VALVE FROM SAID FIRST POSITION TO SAID SECOND POSITION, DETECTIONJ MEANS FOR DETERMINING THE PRESENCE OR ABSENCE OF AN INDIVIDUAL EMPTY CONTAINER BENEATH THE OUTLET OF A PARTICULAR FILLING ASSEMBLY, AND MEANS NORMALLY RESPONSIVE TO SAID DETECTION MEANS DETECTING A CONTAINER BENEATH SAID PARTICULAR OUTLET FOR MAINTAINING SID MOVABLE CAM IN SAID INCLINED POSITION TO PERMIT SAID CONTROL VALVE TO BE HELD BY SAID MAGNETIC HOLDING MEANS,