Working machine

Abstract

A working machine includes an arm, a working tool swingably attached to the arm, a working tool cylinder to swing the working tool by extending or retracting, one end portion of the working tool cylinder being supported on the arm via a cylinder shaft, the opposite end portion of the working tool cylinder being supported on the working tool, a cylinder sensor to detect an operation of the working tool cylinder, a control valve to extend or retract the working tool cylinder by controlling flow of a hydraulic fluid to the working tool cylinder, and a controller to periodically determine a swing position of the working tool based on an output value of the cylinder sensor, and the controller changes the accuracy of determining the swing position of the working tool in accordance with an operating status of the working tool cylinder.

Dependencies are inferred from the claim text.