Excavating – Ditch filler
Patent
1989-02-10
1990-10-30
Wiecking, David A.
Excavating
Ditch filler
37142A, E02F 928
Patent
active
049659456
ABSTRACT:
An excavating tooth having a socket-equipped point mounted on an adapter nose and secured with a vertical pin on one side of the nose, the nose being grooved for receipt of the pin and equipped with a resilient keeper extending transversely of the point length, the point having a least one side wall extending rearwardly beyond the socket, the side wall having integral, vertically spaced apart lug portions having forwardly facing surfaces bearing against the pin, the nose groove providing a rearwardly facing surface bearing against the pin intermediate the lug bearing surfaces.
REFERENCES:
patent: 1808311 (1931-06-01), Madonna
patent: 1845677 (1932-02-01), Mekeel
patent: 2919506 (1960-01-01), Larsen
patent: 3079710 (1963-03-01), Larsen et al.
patent: 3839805 (1974-10-01), Stepe
patent: 4182058 (1980-01-01), Poncin
patent: 4326348 (1982-04-01), Emrich
patent: 4335532 (1982-06-01), Hahn et al,.
patent: 4761900 (1988-08-01), Emrich
ESCO Corporation
Pham Huong Q.
Wiecking David A.
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