Article controlled actuating means for code pre-set wheel printer

Claim 1

A CODE PRE-SET WHEEL PRINTER FOR PRINTING PIECES AS THEY TRAVEL CONSECUTIVELY ALONG A DEFINED PATH, CONSISTING OF A BASE ADJACENTLY OF SAID PATH AND CARRYING A GUIDE WAY DISPOSED TRANSVERSELY OF SID PATH, AND CARRYING A GUIDE WAY ON SAID GUIDE WAY, A RECIPROCAL MOTOR ON SAID BASE AND CONNECTED TO SAID CARRIAGE TO EXTEND AND RETRACT SAID CARRIAGE TO SAID GUIDE WAY, AN ANNULAR PRINTING WHEEL ROTATABLY MOUNTED ON A VERTICAL AXIS ON SAID CARRIAGE, ONE PORTION OF SAID SHEEL EXTENDING BEYOND THE FRONT OF SAID CARRIAGE TO ENGAGE AND PRINT A PIECE TRAVELLING ALONG SAID PATH, CAM MEANS ON SAID WHEEL, A LIMIT SWITCH ADJACENT SAID PATH TO ENGAGE CONSECUTIVE PIECES TRAVELLING ALONG SAID PATH, CIRCUIT MEANS INITIATED BY SAID LIMIT SWITCH BEING ENGAGED BY CONSECUTIVE PIECES TRAVELLING ALONG SAID PATH OF EXTEND SAID CARRIAGE TO ENGAGE SAID PRINTING WHEEL ON THE PIECE TO BE PRINTED, AND CAM SWITCH MEANS ACTUATED BY THE CAM MEANS ON SAID WHEEL TO RETRACT SAID CARRIAGE AT TERMINATING OF THE PRINTING OF THE CODE ON SAID PIECE.