Excavating – Ditch filler
Patent
1986-12-04
1988-08-09
Burr, Edgar S.
Excavating
Ditch filler
37142A, E02F 928
Patent
active
047619007
ABSTRACT:
An excavating tooth assembly including an adapter, a point equipped with rearwardly projecting tongues, and locking means including a vertical pin external of the adapter nose held in place by a shrouded spring loaded plug disposed perpendicularly to the line of mounting the point on the adapter, the pin haivng arcuate front and back surfaces for wedging engagement with laterally projecting ears on the nose and a laterally projecting lug on a point tongue.
REFERENCES:
patent: 2312802 (1943-03-01), Crawford
patent: 2991569 (1961-07-01), Launder
patent: 4335532 (1982-06-01), Hahn et al.
patent: 4349232 (1982-09-01), Braun et al.
patent: 4455771 (1984-06-01), Poncin
Burr Edgar S.
ESCO Corporation
Pham Huong Q.
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