Excavating tooth point and adapter assembly with additional wear

Details Excavating tooth point and adapter assembly with additional wear Excavating tooth point and adapter assembly with additional wear

1989-03-21

1990-06-12

Reese, Randolph A.

Excavating

Ditch filler

37142R, 37DIG19, E02F 928

Patent

active

049321455

ABSTRACT:
A tooth point and adapter assembly has an adapter that is mounted to the bucket of an excavation apparatus and a tooth point that is mounted to the adapter. The tooth point has a cavity having a curved bottom wall and the adapter has a pointed end having a curved bottom wall. Within the tooth point cavity is a protrusion that is adapted to fit within a groove in the top surface of the adapter. Accordingly, the adapter supports the tooth point along its top edge by engagement between the protrusion and groove and the tooth point is supported with full contact between the adapter and tooth point along the curved bottom walls of the adapter and tooth point respectively. The tooth point further includes an indentation in the outer portion of the cavity side wall that matches the profile of the adapter pointed end. Thus, the extent of wear to the tooth point in relation to the adapter can be determined by visual inspection to prevent the tooth point from wearing through and damaging the adapter. Additional wear prevention elements are provided to protect the surfaces of an excavation apparatus bucket that are subject to wear. Shrouds that extend between the tooth points, along the vertical and horizontal corners are included. Also, bucket bottom wear plates and bucket interior liners are provided to fully protect the wear surfaces of the bucket of an excavation apparatus when it is intended that the bucket is to be subjected to extreme abrasion.

REFERENCES:
patent: 2390611 (1945-12-01), Nixon
patent: 3462861 (1969-08-01), Kampert
patent: 3621594 (1971-11-01), Hahn et al.
patent: 3851413 (1974-12-01), Lukavich
patent: 4027408 (1977-06-01), Ramella et al.

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