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US 11,814,819 B2Granted
Construction machine bucket part and manufacturing method therefor
AssigneeDoosan Infracore Co., Ltd.
InventorsChoung-Rae Lee, Sang-Min An
Life of this patent
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Abstract
A construction machinery bucket part includes a body including a low alloy cast iron, and a wear resistant tip cast bonded to an end portion of the body and including a white cast iron. The construction machinery bucket part includes dissimilar materials, and has improved economic feasibility and wear resistance.
Claims7
A bucket part for construction machinery being coupled with a bucket of the construction machinery, the bucket part for construction machinery comprising:
- a body including at least one seating portion in a surface thereof;
- and
- a wear resistant tip cast bonded to the at least one seating portion,
- wherein the body and the wear resistant tip include dissimilar cast irons,
- wherein the at least one seating portion includes an inserting column, and the wear resistant tip includes a hole into which the inserting column is inserted when combining with the at least one seating portion, and
- wherein a thickness of the inserting column increases gradually from a surface of the at least one seating portion.
3 more elements
Dependencies are inferred from the claim text.