Lift mechanism for dozer blade assembly

Claim 1

IN COMBINATION WITH A RUBBER-TIRED VEHICLE HAVING A FRAME SUPPORTING A FRONT WHEEL-CARRYING AXLE, A DOZER ASSEMBLY COMPRISING A PAIR OF PUSH ARMS PIVOTALLY CONNECTED AT ONE END THEREOF TO SAID FRAME, A DOZER BLADE EXTENDING TRANSVERSELY OF SAID VEHICLE AND PIVOTALLY MOUNTED TO THE OTHER END OF SAID PUSH ARMS FOR PIVOTAL MOVEMENT ABOUT A FIRST TRANSVERSE AXIS, A LIFT MECHANISM CONNECTED BETWEEN SAID VEHICLE AND SAID DOZER BLADE, SAID LIFT MECHANISM COMPRISING A FIRST MEMBER CONNECTED TO SAID DOZER BLADE FOR PIVOTAL MOVEMENT ABOUT SAID FIRST TRANSVERSE AXIS, A SECOND MEMBER CONNECTED TO SAID FRONT AXLE FOR PIVOTAL MOVEMENT ABOUT A SECOND TRANSVERSE AXIS, MEANS UNIVERSALLY PIVOTALLY INTERCONNECTING SAID FIRST AND SECOND MEMBERS AT A POINT LOCATED TO ONE SIDE OF A PLANE PASSING THROUGH SAID FIRST AND SECOND AXES WHEN SAID BLADE IS IN A NORMAL DOZING POSITION, FIRST OPERATING MEANS CONNECTED BETWEEN SAID FIRST MEMBER AND SAID VEHICLE FOR RAISING AND LOWERING SAID DOZER BLADE, SECOND OPERATING MEANS CONNECTED TO SAID DOZER BLADE FOR SELECTIVELY PIVOT-