Apparatus for placing adhesive on frost shields

Claim 1

IN A MACHINE FOR APPLYING A LAYER OF ADHESIVE TO THE MAGINAL EDGE PORTION OF A SUBSTANTIALLY ELONGATED AND ROUND-ENDED PANEL, THE COMBINATION OF A HORIZONTAL SUPPORTING TABLE, A SUBSTANTAILLY ELONGATED AND ROUND-ENDED PANEL SUPPORTING TEMPLATE MOVABLY POSITIONED ON SAID TABLE AND PROVIDED AT ITS MARGINAL EDGE WITH A TOOTHED RACK, A ROTATABLE DRIVE PINION PROVIDED AT A FIXED POINT ON SAID TABLE AND MESHING WITH SAID TOOTHED RACK, GUIDE MEANS ON THE TABLE ENGAGING SAID TEMPLATE TO MAINTAIN THE RACK IN MESH WITH SAID DRIVE PINION AND TO GUIDE THE TEMPLATE ALONG A PREDETERMINED ENDLESS PATH WHEN THE PINION IS ROTATED, AN ADHESIVE DISPENSER PIVOTALLY MOUNTED ON SAID TABLE FOR HORIZONTAL SWINGING MOVEMENT AND HAVING AN OUTLET NOZZLE MOVABLE BETWEEN AN OPERATIVE POSITION ABOVE SAID TEMPLATE AND AN INOPERATIVE POSITION AT ONE SIDE OF THE TEMPLATE, A SOLENOID MOUNTED ON SAID TABLE AND OPERATIVELY CONNECTED TO SAID DISPENSER FOR MOVING SAID OUTLET NOZZLE BETWEEN ITS TWO POSITIONS, MOTOR-DRIVEN MEANS FOR PRESSURIZING ADHESIVE IN SAID DISPENSER TO DISCHARGE THE SAME THROUGH SAID NOZZLE, A REVERSIBLE MOTOR DRIVE FOR SAID PINION WHEREBY SAID TEMPLATE MAY BE MOVED SELECTIVELY FORWARDLY AND REARWARDLY ALONG SAID ENDLESS PATH WITH REFERENCE TO AN INITIAL POSITION, MANUALLY ACTUATED CONTROL MEANS FOR ENERGIZING SAID REVERSIBLE MOTOR DRIVE TO MOVE SAID TEMPLATE FORWARDLY FROM ITS INITIAL POSITION AND FOR SIMULTANEOUSLY ENERGIZING SAID PRESSURIZING MEANS, A FIRST DETENT PROVIDED ON SAID TEMPLATE, A FIRST MICROSWITCH MOUNTED ON SAID TABLE IN THE PATH OF MOVEMENT OF SAID FIRST DETENT, SAID FIRST MICROSWITCH BEING OPERAIVELY IN CIRCUIT WITH SAID SOLENOID AND WITH SAID REVERSIBLE MOTOR DRIVE TO MOVE SAID OUTLET NOZZLE TO ITS OPERAIVE POSITION WHEN THE TEMPLATE HAS