Excavating – Scoop or excavating and transporting container – Scoop or bucket structure – per se
Patent
1995-11-14
1997-10-28
Melius, Terry Lee
Excavating
Scoop or excavating and transporting container
Scoop or bucket structure, per se
37448, 37450, 37454, 37341, E02F 340
Patent
active
056807171
ABSTRACT:
An excavating bucket for rotating bucket excavators has a trough-shaped bucket having a forward edge formed by a U-shaped bucket lip. The lip has multiple shank holes and a cutting tooth in each shank hole which is removably attached to the lip. There are two sets of corner shank holes which lie on a circular line and receive a corresponding number of corner cutting teeth. Cutting portions of the corner teeth can be variously shaped so that the corner teeth can be adapted for varying cutting conditions. The cutting teeth have a weakening undercut adjacent their respective shafts so that forces acting on the teeth cause tooth deflections in the area of the recess while a remainder of the tooth, to which wear resistant layers of materials can be applied, is subjected to substantially no deflection to prevent a spalling of the wear resistant layers. An aft end of the bucket is defined by a multiplicity of side-by-side chains mounted on bars extending transversely between side plates of the bucket. The number of chains is selected so that the chains, when placed side by side, extend over less than the full length of the transverse bars and intermediate portions of the chains are biased into positions where they are closely adjacent each other when the bucket is in its upright position so that, when the bucket is upside down as it revolves with the bucket wheel, the chains drop gravitationally downwardly and flare outwardly towards the bucket sides, to assist in the removal of excavated material from the bucket.
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Caterpillar Ground Engaging Tools, Sixth Edition 1995, pp. 1-23, Jun. 1995.
Batson Victor
Melius Terry Lee
LandOfFree
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