Komatsu Corporation

Monta Kondou

Takanori Nagata

Tatsuo Aira

Daijirou Tanaka

Yudai Furudate

Masahiko Hamaguchi

Yoshiaki Shimada

A bucket tooth adapter for a bucket includes a mounting portion and a nose portion extending from the mounting portion. The mounting portion includes a first body portion and a wide portion. The wide portion is wider than the first body portion and is provided between the first body portion and the nose portion.

Bucket tooth adapter, bucket tooth attachment structure, and bucket

A tooth attachment structure for a bucket includes a tooth, a pin member, and a lock member. The tooth includes a guide groove provided on an inner surface of the tooth and a pin hole provided in the guide groove. The pin member is disposed in the pin hole. The lock member is disposed in the guide groove. The lock member locks the pin member. The lock member engages the pin member by sliding toward the pin member.

Tooth attachment structure for bucket and tooth for bucket

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.

Tooth mounting structure for bucket and tooth for bucket

A bearing assembly used for a work implement of a construction machine with an excellent bearing performance, excellent durability and good maintenance. A pair of first bushings with flanges and a pair of second bushings with flanges are fixed respectively in the bore of the boss and the brackets in a manner such that the first bushing flange faces the second bushing flange. An anti-wear material applied on at least one of the sliding surfaces of the flanges of the first and second bushing flanges that face each other. The first bushings with flanges fixed in both sides of the bore of the boss can be a double-structural member including an outer tubular member and an inner sliding member fixed in the bore of the outer tubular member respectively. Furthermore, the first bushings can be a double-structural member including an outer tubular member and an inner sliding member fixed in the bore of the outer tubular member.

Growing community of inventors

Tokyo, Japan

Monta Kondou