Excavating – Ditch filler
Patent
1983-11-23
1986-02-18
Burr, Edgar S.
Excavating
Ditch filler
37142R, E02F 928
Patent
active
045703655
ABSTRACT:
A digging tooth and bucket lip engagement and support construction for the forward edge or cutting lip of an excavator bucket wherein the bucket is formed of sheet steel and the digging teeth provide the strength to said lip in the form of external stringers.
REFERENCES:
patent: 3469331 (1969-09-01), Wood
patent: 3574962 (1971-04-01), Smith
patent: 3947982 (1976-04-01), Mantovani
patent: 3984929 (1976-10-01), Meyer et al.
patent: 4006544 (1977-02-01), Stepe
patent: 4052803 (1977-10-01), Lanz et al.
patent: 4319415 (1982-03-01), Mayerbock et al.
patent: 4413432 (1983-11-01), Bierwith
Burr Edgar S.
Cohen Moshe I.
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