MATERIAL HANDLING MACHINE
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Abstract
THE LOAD HANDLING CAPABILITY OF A MATERIAL HANDLING MACHINE HAVING A WALKING BEAM SUSPENSION IS INCREASED BY A STOP MEMBER SELECTIVELY POSITIONABLE BETWEEN THE BODY OF THE MACHINE AND THE WALKING BEAMS TO LIMIT THE PIVOTAL MOVEMENT, IN ONE DIRECTION, OF THE WALKING BEAM. THE STOP MEMBER MAY BE A LOAD TRANSMITTING BLOCK WHICH IS EXTENDIBLE FROM THE VEHICLE BODY TO LIMIT THE UPWARD MOVEMENT OF THE END OF THE WALKING BEAM ADJACENT THE
MATERIAL HANDLING STRUCTURE. THE PIVOT POINT ABOUT WHICH THE WEIGHT OF THE VEHICLE COUNTERACTS THE FORCE OF THE APPLIED LOAD IS THEREBY SHIFTED FROM THE AXIS OF THE WALKING BEAM TO ITS STOPPED END.
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