Excavating – Digging edge – Tooth or adaptor
Reexamination Certificate
2005-08-16
2005-08-16
Pezzuto, Robert E (Department: 3671)
Excavating
Digging edge
Tooth or adaptor
Reexamination Certificate
active
06928759
ABSTRACT:
More particularly, this invention provides an excavating lip assembly including a lip. The lip has a surface, and the lip assembly further includes a wear member placed over the lip surface, the wear member having an inner surface, and the inner surface having a bolt securing indentation therein. The lip assembly further includes a holding element in the lip surface, the holding element having an opening there through. The lip assembly also includes a connecting bolt having an end received and held in the indentation, the connecting bolt also being received in the holding element opening. The lip assembly also includes a nut removably received on an end of the bolt to retain the bolt in the holding element opening. More particularly, the connecting bolt is a U-bolt, and wherein the indentation is formed by a half circle element extending from the shroud inner upper surface. The half circle element is cast in the wear element upper surface, and the holding element is a rectangular bar welded to the lip. Still more particularly, the wear member is notched and forms a top flange and a bottom flange, and the wear member inner surface is in the top flange, and the top flange has a cutout therein.
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patent: 3371437 (1968-03-01), Wilson et al.
patent: 5337495 (1994-08-01), Pippins
patent: 5713145 (1998-02-01), Ruvang
patent: 5724756 (1998-03-01), Gale
patent: 6209238 (2001-04-01), Ruvang
patent: 6240663 (2001-06-01), Robinson
patent: 6393738 (2002-05-01), Bierwith
patent: 2003/0037467 (2003-02-01), Bierwith
Earl Lowe, Jr. James
Hornishfeger Technologies, Inc.
Pezzuto Robert E
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