Trenching machine with power steering mechanism including means for laterally shifting an end of the machine
First Claim
2. A TRENCHING MACHINE HAVING POWER STEERING COMPRISING, A FRAME WITH GROUND-ENGAGING WHEELS, CUTTING MECHANISM MOUNTED ON SAID FRAME, AND POWER STEERING MEANS INCLUDING A PAIR OF ROTATABLE MEMBERS, MEANS MOUNTING EACH OF SAID MEMBERS ON THE FRAME FOR INDEPENDENT MOVEMENT BETWEEN AN INOPERATIVE POSITION AND A GROUND-ENGAGING POSITION, POWER MEANS FOR MOVING ONE OF SAID MEMBERS AGAINST THE GROUND, AND MEANS INCLUDING A PIVOT JOINT IN THE MOUNTING OF EACH MEMBER WHICH HOLDS SAID MEMBER AT A MINIMUM ANGLE TO THE GROUND BUT PERMITS INCREASE IN SAID ANGLE WHEREBY TRANSFER OF MACHINE WEIGHT TO SAID ONE MEMBER FROM THE GROUND-ENGAGING WHEELS RESULTS IN LATERAL SHIFT OF THE FRAME WITH SAID ONE MEMBER PIVOTING TO A GREATER ANGLE TO THE GROUND TO PERMIT TRANSFER OF WEIGHT BACK TO THE GROUND-ENGAGING WHEELS.
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Accused Products
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2 Claims
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2. A TRENCHING MACHINE HAVING POWER STEERING COMPRISING, A FRAME WITH GROUND-ENGAGING WHEELS, CUTTING MECHANISM MOUNTED ON SAID FRAME, AND POWER STEERING MEANS INCLUDING A PAIR OF ROTATABLE MEMBERS, MEANS MOUNTING EACH OF SAID MEMBERS ON THE FRAME FOR INDEPENDENT MOVEMENT BETWEEN AN INOPERATIVE POSITION AND A GROUND-ENGAGING POSITION, POWER MEANS FOR MOVING ONE OF SAID MEMBERS AGAINST THE GROUND, AND MEANS INCLUDING A PIVOT JOINT IN THE MOUNTING OF EACH MEMBER WHICH HOLDS SAID MEMBER AT A MINIMUM ANGLE TO THE GROUND BUT PERMITS INCREASE IN SAID ANGLE WHEREBY TRANSFER OF MACHINE WEIGHT TO SAID ONE MEMBER FROM THE GROUND-ENGAGING WHEELS RESULTS IN LATERAL SHIFT OF THE FRAME WITH SAID ONE MEMBER PIVOTING TO A GREATER ANGLE TO THE GROUND TO PERMIT TRANSFER OF WEIGHT BACK TO THE GROUND-ENGAGING WHEELS.
Specification
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Current AssigneeDelbert Brown William
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Original AssigneeDelbert Brown William
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InventorsDELBERT BROWN WILLIAM
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Application NumberUS04/245,561Time in Patent Office854 DaysField of SearchUS Class Current37/363CPC Class CodesB62D 51/04 the driver walkingE02F 9/2004 Control mechanisms, e.g. co...
