Material handling apparatus

Claim 1

IN COMBINATION, A VEHICLE HAVING A GENERALLY UPRIGHT CARRIER PLATE, MATERIAL HANDLING APPARATUS COMPRISING A TURNTABLE ROTATABLY SUPPORTED ON SAID PLATE, A PAIR OF TELESCOPICALLY RELATED MEMBERS CARRIED ON SAID TURNTABLE SO AS TO EXTEND GENERALLY HORIZONTALLY OUTWARDLY FROM SAID VEHICLE, LOAD SUPPORTING MEANS ON EACH OF SAID MEMBERS FOR SUPPORTING A LOAD THEREON, FIRST DRIVE MEANS CONNECTED TO SAID TURNTABLE AND ACTUATABLE TO ROTATE SAID TURNTABLE AND SAID MEMBERS EFFECTIVE TO SWING SAID LOAD SUPPORTING MEANS ON SAID MEMBERS IN ONE DIRECTION THROUGH A PREDETERMINED ARCUATE PATH, SECOND DRIVE MEANS CONNECTED TO ONE OF SAID MEMBERS AND ACTUATABLE TO ROTATE SAID ONE MEMBER RELATIVE TO THE OTHER OF SAID TELESCOPICALLY RELATED MEMBERS EFFECTIVE TO SWING THE LOAD SUPPORTING MEANS ON SAID ONE MEMBER IN THE OPPOSITE DIRECTION THROUGH A PREDETERMINED ARCUATE PATH, CONTROL MEANS FOR CONTROLLING THE ACTUATION OF SAID FIRST AND SECOND DRIVE MEANS WHEREBY THE LOAD SUPPORTING MEANS IN EACH OF SAID MEMBERS SWINGS AWAY FROM EACH OTHER TO A LOAD SUPPORTING POSITION, AND SAID FIRST DRIVE MEANS BEING SUBSEQUENTLY ACTUATABLE TO ROTATE SAID TURNTABLE AND TELESCOPICALLY RELATED MEMBERS EFFECTIVE TO SWING SAID LOAD SUPPORTING MEANS THROUGH AN ADDITIONAL ARCUATE PATH IN SAID ONE DIRECTION TO A LOAD DISCHARGING POSITION.