Excavating – Ditch filler
Patent
1977-06-20
1978-12-05
Crowder, Clifford D.
Excavating
Ditch filler
37DIG12, E02F 928
Patent
active
041279522
ABSTRACT:
A replaceable adapter is secured to an earthworking tool having a floor with a bottom surface, a leading edge, a top surface, and an upwardly facing inclined front surface between the top surface and the cutting edge. The adapter includes a bifurcated body portion having a rearwardly extending upper arm, a rearwardly extending lower arm, and a forwardly extending nose, and an integral wing portion having a rearwardly extending lower arm and a forwardly extending cutting edge. The adapter is of a construction such that the bifurcated body portion is engaged against the bottom surface and the inclined front surface of the floor, the body and wing portions are disposed below the top surface of the floor, and the lower arms of the body and wing portions are secured against the bottom surface of the floor at laterally offset locations.
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patent: 3997988 (1976-12-01), Klett
patent: 4043060 (1977-08-01), Stepe
Caterpillar Tractor Co.
Crowder Clifford D.
Lanchantin, Jr. Charles E.
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