Crane with tilt-up boom

Claim 1

IN A CRANE, THE COMBINATION OF: AN UPSTANDING COLUMN MEMBER; A BASE THEREFOR; AN UPPER END OF SAID COLUMN MEMBER DISPOSED IN ELEVATED POSITION ABOVE SAID BASE; SUBSTANTIALLY VERTICAL AXIS BEARING MEANS SUPPORTED ON SAID COLUMN MEMBER NEAR SAID UPPER END THEREOF; A BOOM SUPPORTING FRAME MOVABLY MOUNTED ON SAID BEARING MEANS AND SWINGABLE ABOUT A SUBSTANTIALLY VERTICAL AXIS THEREOF; A BOOM PIVOTALLY MOUNTED ON SAID BOOM SUPPORTING FRAME; PIVOT MEANS HAVING SUBSTANTIALLY HORIZONTAL AXIS MOUNTING SAID BOOM ON SAID FRAMES AT ONE SIDE OF SAID VERTICAL AXIS; A MOTOR ON SAID FRAME; A HYDRAULIC PUMP DRIVEN THEREBY; ACTUATING MEANS RESPONSIVE TO HYDRAULIC PRESSURE AND SUPPORTED BY SAID FRAME ON THE OPPOSITE SIDE OF SAID VERTICAL AXIS THEREOF FROM SAID PIVOT MEANS, SAID ACTUATING MEANS DISPOSED TO FORCE SAID BOOM TO PIVOT UPWARDLY ABOUT SAID SUBSTANTIALLY HORIZONTAL AXIS OF SAID PIVOT MEANS; AND CONDUIT MEANS FOR CONDUCTING HYDRAULIC PRESSURE FLUID INTERCOMMUNICATING WITH SAID PUMP AND SAID ACTUATING MEANS.