FITTING STRUCTURE OF SWING ANGLE DETECTOR FOR HYDRAULIC BACK HOE

摘要

PROBLEM TO BE SOLVED: To provide a swing angle detecting structure for a hydraulic back hoe reducing the number of component items and improving the assemblage of a swing angle detector as an attachment. SOLUTION: This fitting structure is provided with a revolving superstructure, a bracket pivot part having the axis of a boss facing vertically in the front end of the revolving superstructure, a swing bracket having a boss rotatably connected to the boss of the bracket pivot part about the vertical shaft by a pin, and a limit switch detecting the turning angle or the swing bracket. A detection counterpart being in contact with the limit switch is molded on the circumferential face of the boss of the swing bracket.