Earthmover

Claim 1

AN EARTHMOVER COMPRISING: A WHEELED DRAFT FRAME, A WHEELED BOWL FRAME CONNECTED TO SAID DRAFT FRAME FOR VERTICAL SWINGING MOVEMENT HAVING A PAIR OF LATERALLY SPACED VERTICAL SIDE WALLS AND A TRANSVESELY EXTENDING EXCAVATING BLADE STRUCTURE RIGIDLY SECURED AT ITS OPPOSITE ENDS TO THE LOWER FORWARD PORTIONS OF SAID SIDE WALLS, RESPECTIVELY, AND A BOTTOM CLOSURE AND DUMPING STRUCTURE INCLUDING A REAR BOTTOM SECTION PIVOTALLY SECURED TO SAID SIDE WALLS ON A FIRST TRANSVERSE AXIS SPACED ABOVE THE BOTTOM OF SAID WALLS, POWER MEANS FOR PIVOTING SAID REAR BOTTOM SECSECION ABOUT SAID FIRST AXIS BETWEEN CLOSED AND DUMPING POSITIONS, A FRONT BOTTOM SECTION HAVING ITS REAR END PIVOTALLY CONNECTED TO THE FORWARD END OF SAID REAR BOTTOM SECTION ON A SECOND TRANSVERSE AXIS, LONGITUDINALLY EXTENDING TRACK MEANS ON SAID SIDE WALLS, AND A TRANSVERSE STRIKEOFF STRUCTURE AT THE REAR OF SAID EXCAVATING BLADE STRUCTURE PIVOTALLY CONNECTED TO THE FORWARD END OF SAID FRONT BOTTOM SECTION ON A THIRD TRANSVERSE AXIS AND RECIPROCALLY CARRIED AT ITS TRANSVERSELY OPPOSITE ENDS IN SAID TRACK MEANS.