OPERATION PATTERN SWITCHING DEVICE

PROBLEM TO BE SOLVED: To provide an operation pattern switching device, surely performing switching of an operation pattern by a select lever, surely and easily performing locking, easily recognizing switching, and making the select lever in a compact size. SOLUTION: This device is a switching valve for changing the connection between a control valve for controlling the operation of a plurality of hydraulic actuators and a pilot valve for operating the control valve by pilot oil pressure, wherein the select lever 42 for switching the switching valve 37 is provided with an operating handle 43 to be varied in the position, a projecting part 43a is formed on the handle 43, recessed parts 41a, 41b engaged with the projecting part 43a are formed in switching positions on the body side of the switching valve 37, the handle 43 is pivoted to turn in the horizontal direction and in the vertical direction to the selector lever 42, and the center of gravity of the handle is positioned on the cutout side from the fulcrum of rotation. COPYRIGHT: (C)2006,JPO&NCIPI