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
Estimating the term…
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.
Claims16
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 connecting portion, and a base end portion provided disposed successively from the mounting portion, the connecting portion being provided between the tip portion and the base end portion;
- the connecting portion having a first cross section with an octagonal shape;
- the base end portion having a second cross section with a rectangular shape;
- the tip portion having a third cross section with a rectangular shape;
- and
- an inner surface of the tooth being formed along an outer surface of the nose portion.
A tooth fora 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, the tooth comprising:
- a tooth body including an internal space for inserting the nose portion, the tooth body including a middle portion that faces the octagonal connecting portion when the tooth is mounted to the tooth adapter,
- an inner circumference of the middle portion of the tooth body having an octagonal cross-sectional shape that conforms to an outer circumference of the octagonal connecting portion of the nose portion.
Dependencies are inferred from the claim text.