Kabushiki Kaisha Komatsu Seisakusho

Takehiko Takamatsu

Yoshito Sato

Masami Hashimoto

Akihiro Toyomura

Tomoyuki Takahashi

Kazukiyo Chiba

Kazuo Kurihara

Yoshimasa Oobora

Heiji Yoshizawa

Body of excavator

Bulldozer

A double-drum winch having a single power transmission train for both a hook drum and a boom drum. The power transmission train comprises a high speed clutch and a low speed clutch mounted on a single first clutch shaft which is in turn mounted for rotation on a winch frame, a hook lowering clutch and a boom lowering clutch mounted on a single second clutch shaft which is in turn rotatably mounted on the frame, and a hook hoisting clutch and a boom hoisting clutch mounted on a single third clutch shaft which is in turn rotatably mounted on the frame, the second clutch shaft being located between the first and third clutch shafts and engageable with both the clutch shafts. The power transmission train is connected with the hook drum and the boom drum via a hook brake shaft and a boom brake shaft, respectively.

Double-drum winch

Growing community of inventors

Hirakata, Japan

Takehiko Takamatsu