Arndt

Claim 1

A ROW CROP CULTIVATOR COMPRISING, IN COMBINATION, A HORIZONTAL TRANSVERSELY ELONGATED FRAME INCLUDING SPACED, PARALLEL, TUBULAR FRONT, REAR AND INTERMEDIATE BARS OF SQUARE CROSS-SECTION, SAID FRAME FURTHER INCLUDING A PLURALITY OF SPACED, PARALLEL, FLAT LONGITUDINAL BARS HAVING SQUARE OPENINGS THEREIN HAVING THE TUBULAR BARS EXTENDING THERETHROUGH AND FIXEDLY SECURED THEREIN, DOWNWARDLY CONVERGENT RODS ON THE FRONT AND REAR BARS, BEARINGS ON THE LOWER END PORTIONS OF SAID RODS, LONGITUDINAL SPACING BARS EXTENDING BETWEEN THE BEARINGS, A PAIR OF SPACED, PARALLEL TRANSVERSE ROTOR SHAFTS JOURNALED IN THE BEARINGS, CROSSED RODS SECURED AT THEIR ENDS TO THE FRONT AND REAR BARS AND TO THE END PORTIONS OF THE SPACING BARS, SPACED GROUPS OF DISKS ON THE ROTOR SHAFTS, TOOLS RADIATING FROM SAID DISKS, A PAIR OF LONGITUDINAL GUARDS MOUNTED BENEATH THE FRAME, SAID GUARDS INCLUDING GENERALLY U-SHAPED CHANNEL BARS COMPRISING STRAIGHT HORIZONTAL BIGHT PORTIONS EXTENDING BENEATH THE ROTOR SHAFTS AND ADAPTED TO SLIDE OVER OBSTRUCTIONS, SAID CHANNEL BARS FURTHER COMPRISING UPWARDLY DIVERGENT END PORTIONS AFFIXED TO THE FRONT AND REAR BARS, A SHAFT JOURNALED ON THE INTERMEDIATE BAR IN PARALLELISM THEREWITH, MEANS COMPRISING TRIANGULAR SPROCKET CHAINS OPERATIVELY CONNECTING THE SECOND-NAMED SHAFT TO THE ROTOR SHAFTS, SAID CHAINS INCLUDING HORIZONTAL LOWER RUNS OPERABLE IN SAID BIGHT PORTIONS OF THE CHANNEL BARS, AND MEANS FOR OPERATIVELY CONNECTING THE SECOND-NAMED SHAFT TO A POWER TAKEOFF OF A TRACTOR FOR ACTUATION THEREBY.