Load engaging mechanism of industrial lift truck

Claim 1

IN A LIFT TRUCK HAVING AN UPRIGHT MAST AND A CARRIAGE MOVABLE ALONG SAID MAST, AN UPRIGHT FORWARDLY DIRECTED SUCTION CUP DISPOSED FORWARDLY OF SAID CARRIAGE, MOUNTING MEANS CONNECTED TO SAID CARRIAGE FOR MOUNTING SAID CUP, SAID MOUNTING MEANS BEING ROTATABLE AT ITS CONNECTION TO SAID CARRIAGE ABOUT A FIRST UPRIGHT AXIS, UNIVERSAL JOINT MEANS CONNECTING SAID CUP TO SAID MOUNTING MEANS AT POINTS ON LATERALLY OPPOSITE SIDES OF SAID FIRST UPRIGHT AXIS ESTABLISHING A SECOND UPRIGHT AXIS OBLIQUE TO SAID FIRST UPRIGHT AXIS, SAID OBLIQUE AXIS BEING SWINGABLE RELATIVE TO SAID FIRST UPRIGHT AXIS UPON ROTATION OF SAID MOUNTING MEANS SUCH THAT PIVOTING OF SAID MOUNTING MEANS ABOUT SAID FIRST AXIS ENABLES BOTH A FORWARDLY AND REARWARDLY TILTING MOVEMENT OF THE UPPER AND LOWER PORTIONS OF SAID CUP, AND A LATERAL PIVOTING MOVEMENT OF SAID CUP SO THAT SAID CUP CAN CONFORM ITS POSITION TO THAT OF A LOAD UPON ENGAGEMENT WITH SAID LOAD.