GUIDE DEVICE FOR CATERPILLAR TYPE WORKING MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a guide device for a caterpillar type working machine.;SOLUTION: This guide device has a guide structure having an opening part and also a roller assembly. The guide device includes the roller assembly having a main body member having the guide structure with the formed opening part, a passage passing through and extending, a roller surface and an annular flange extending from the roller surface and an axle positioned for the main body member and the guide structure so that a first part may be arranged within the passage and a second part may be arranged within the opening part. The annular flange has a diameter D1 and the guide structure has a width W3, the guide structure is positioned for the annular flange so that a projecting end part of the guide structure may be extended beyond a peripheral edge of the annular flange, and the width W3 is shorter than the diameter D1 so that the guide structure may be located between a first vertical tangential line L1 and a second vertical tangential line L2 of the annular flange.;COPYRIGHT: (C)2002,JPO