Industrial truck and rocking wheel assemblage therefor

Claim 1

AN INDUSTRIAL TRUCK INCLUDING A BODY MEMBER, WHEEL MEANS SUPPORTING ONE END OF THE BODY MEMBER, A WHEEL ASSEMBLAGE SUPPORTING THE OPPOSITE END OF THE BODY MEMBER, SAID ASSEMBLAGE COMPRISING AN ELONGATED RIGID HOUSING MEMBER, COAXIAL FORWARD AND REARWARD ROCK BEARINGS MOUNTED IN FIXED POSITION ON THE BODY MEMBER, COMPLIMENTARY ROCK BEARINGS ON THE ENDS OF THE HOUSING MEMBER, RESPECTIVELY, AND CONNECTED WITH SAID FORWARD AND REARWARD ROCK BEARINGS, RESPECTIVELY, AND SUPPORTING THE HOUSING MEMBER FOR ROCKING ABOUT A ROCKING AXIS EXTENDING FORWARDLY AND REARWARDLY OF THE BODY MEMBER AND IN FIXED POSITION RELATIVE THERETO, AN ELONGATED RIGID CROSS BEAM SECURED ON THE HOUSING MEMBER AND ROCKABLE THEREWITH IN FIXED POSITION RELATIVE THERETO ABOUT SAID ROCKING AXIS, A PAIR OF WHEEL SPINDLES, GENERALLY UPRIGHT PIVOT MEANS DIRIGIBLY SUPPORTING THESPINDLES ON OPPOSITE ENDS OF THE CROSS BEAM, RESPECTIVELY, IN FIXED POSITION RELATIVE TO THE CROSS BEAM AXIALLY OF THE PIVOTS AND FOR SWINGING ABOUT THE AXES OF THE PIVOTS, RESPECTIVELY, WHEELS ON THE SPINDLES, RESPECTIVELY, SAID HOUSING MEMBER HAVING A PASSAGE EXTENDING ENDWISE THEREOF, AN ELONGATED METAL TORSION BAR IN SAID PASSAGE, MEANS CONNECTING ONE END OF THE BAR TO THE BODY MEMBER FOR ROCKING THEREWITH ABOUT SAID ROCKING AXIS, AND MEANS CONNECTING THE OTHER END OF THE BAR TO THE HOUSING MEMBER FOR ROTATION THEREWITH ABOUT SAID ROCKING AXIS.