Caterpillar Sarl

Takayuki Shiokawa

Shinya Nakagawa

Seiji Iijima

Junichi Furukawa

PROBLEM: To provide a cover body () at a space X formed between a motor housing () and a sprocket () which are the components of a drive sprocket () of a base carrier () in a hydraulic shovel, so as to prevent foreign substances such as sand from entering into the space, and to be installed to the motor housing side () without forming a bolt hole. SOLUTION: A cover body () is formed to be a split-body divided to an upper half () and a lower half (), and to be connected to each other to form a ring shape by connecting a connect bolt () formed at an adjacent part of the cover body (). The cover body () is installed to the space X by inserting an adjust bolt () into a ring shaped main body part (and) till abut the motor housing () tightly. An outlet () is formed as a notch on a cover body (and) to discharge the foreign substances entering into the space X between the sprocket housing () and a tip end of the cover part.

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Tokyo, Japan

Takayuki Shiokawa