Tooth mounting structure for bucket and tooth for bucket
AssigneeKomatsu Ltd.
InventorsTakanori NAGATA, Daijirou TANAKA, Yudai FURUDATE, Tatsuo AIRA, Monta KONDOU
Life of this patent
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Abstract
A tooth mounting structure for a bucket includes a tooth adapter and a tooth. The tooth adapter includes a mounting portion mounted to the bucket and a nose portion extending from the mounting portion. The tooth includes an internal space for inserting the nose portion. The nose portion includes a rectangular tip portion, a rectangular base end portion and an octagonal connecting portion. An inner surface of the tooth is formed along an outer surface of the nose portion.
Claims14
A tooth mounting structure for a bucket comprising:
- a tooth adapter including a mounting portion mounted to the bucket and a nose portion extending from the mounting portion;
- and
- a tooth including an internal space for inserting the nose portion;
- the nose portion including a tip portion, a base end portion provided successively from the mounting portion, and a connecting portion provided between the tip portion and the base end portion;
- an outer circumference of a cross section, which is obtained by cutting the connecting portion with a first plane orthogonal to an axis extending in a longitudinal direction of the nose portion, being formed in an octagonal shape;
- an outer circumference of a cross section, which is obtained by cutting the base end portion with a second plane orthogonal to the axis, being formed in a rectangular shape;
- an outer circumference of a cross section, which is obtained by cutting the tip portion with the a third plane orthogonal to the axis, is formed in a rectangular shape;
- and
- an inner surface of the tooth being formed along an outer surface of the nose portion.
A tooth for a bucket mounted to a tooth adapter including a nose portion, the nose portion including an octagonal connecting portion provided between a rectangular tip portion and a rectangular base end portion, comprising:
- a tooth body including an internal space for inserting the nose portion;
- an inner circumference of a cross section, which is obtained by cutting a portion where the tooth body faces the connecting portion with a plane orthogonal to an axis extending in a longitudinal direction of the nose portion, is formed along an outer circumference of the connecting portion of the nose portion.
Dependencies are inferred from the claim text.