Carrier systems

Claim 1

A CARRIER SYSTEM COMPRISING A CLOSED LOOP TRACKWAY, A CARRIER SUPPORTED ON AND MOVABLE ALONG THE TRACKWAY, A PLURALITY OF UNCODED GROUPS OF CONTROL AREAS ALONG THE TRACKWAY AT EACH OF WHICH AREAS A CARRIER CONTROLLING OPERATION MAY BE PERFORMED, SAID CARRIER ENCOUNTERING A PLURALITY OF SAID GROUPS IN SEQUENCE AS IT TRAVELS ALONG THE TRACKWAY, A SINGLE RESETTABLE STEPPING RELAY ON SAID CARRIER FOR COUNTING THE CONTROL AREAS IN EACH OF SAID GROUPS AS THE CARRIER TRAVELS ALONG THE TRACKWAY, SAID RESETTABLE STEPPING RELAY INCLUDING A PLURALITY OF CONTACTS, A CONDUCTIVE MEMBER MOVABLE FROM AN INITIAL POSITION TO ENGAGE THE CONTACTS, A STEPPING COIL ENERGIZABLE TO ADVANCE SAID MEMBER, MEANS FOR HOLDING THE MEMBER IN THE POSITION TO WHICH IT IS ADVANCED WHEN SAID STEPPING COIL IS DE-ENERGIZED, AND A RESETTING COIL ENERGIZABLE TO RESET SAID MEMBER TO ITS INITIAL POSITION, CONTROL MEANS ON SAID CARRIER ACTUATABLE TO EFFECT ENERGIZATION OF SAID STEPPING COIL TO ADVANCE SAID MEMBER, A SEPARATE UNCODED TRIPPER MEANS AT EACH OF SAID CONTROL AREAS FOR ACTUATING SAID CONTROL MEANS TO ENERGIZE SAID STEPPING COIL TO PROGRESSIVELY ADVANCE SAID MEMBER AT EACH CONTROL AREA, A PLURALITY OF ADJUSTABLE PRESELECT DEVICES ON SAID CARRIER FOR SELECTING A SEPARATE COUNT OF CONTROL AREAS IN EACH OF SAID GROUPS WHICH SAID CARRIER PROGRESSES THROUGH AND AT WHICH A CARRIER CONTROLLING OPERATION IS TO BE PERFORMED, EACH OF SAID PRESELECT DEVICES INCLUDING A PLURALITY OF CONTACTS AND A CONDUCTIVE MEMBER SETTABLE TO ENGAGE A SELECTED ONE OF SAID CONTACTS, CORRESPONDING CONTACTS OF SAID PRESELECT