Stabilized mounting for driven steered wheels of rock loading machines

Claim 1

IN A ROCK LOADER, A FRAME, WHEELS SUPPORTING SAID FRAME AND INCLUDING TWO STEERING WHEELS, A TRANSVERSE SUPPORT STRUCTURE ANGULARLY MOVABLE WITH RESPECT TO SAID FRAME IN VERTICAL DIRECTIONS ABOUT AXES EXTENDING LONGITUDINALLY OF SAID FRAME AND FORMING A SUPPORT FOR SAID STEERING WHEELS AT ITS OPPOSITE ENDS, A HYDRAULIC CYLINDER HAVING A PISTON THEREIN, A PISTON ROD EXTENDING FROM OPPOSITE ENDS OF SAID CYLINDER AND PISTON, AN OPERATIVE CONNECTION FROM SAID PISTON ROD TO SAID STEERING WHEELS FOR TURNING SAID STEERING WHEELS FOR STEERING, MEANS RETAINING SAID CYLINDER TO SAID TRANSVERSE SUPPORT STRUCTURE AND ACCOMMODATING RELATIVE MOVEMENT OF SAID CYLINDER WITH RESPECT TO SAID TRANSVERSE SUPPORT STRUCTURE COMPRISING A BLOCK, A PAIR OF PARALLEL SPACED ARMS EXTENDING FROM SAID CYLINDER TOWARD SAID TRANSVERSE SUPPORT STRUCTURE AND SLIDABLY ENGAGING OPPOSITE SIDES OF SAID BLOCK, A TRANSVERSE BAR RIGIDLY MOUNTED ON SAID TRANSVERSE SUPPORT STRUCTURE AND FORMING A SUPPORT FOR SAID BLOCK AND SAID ARMS, A PLATE SPACED ABOVE SAID BAR, BLOCK AND ARMS AND RIGIDLY CONNECTED TO SAID BAR AND RETAINING SAID ARMS FOR VERTICAL MOVEMENT WITH SAID BLOCK AND SAID TRANSVERSE SUPPORT STRUCTURE, AND A PIVOT PIN PIVOTALLY CONNECTING SAID BLOCK TO SAID BAR AND PLATE.