Patent ID: 9541943
Date: 2017-01-10
CPC Classifications: E02F,G05G,Y10T

Claim:
1. An operation lever for operation of a blade of a dozer unit disposed on a construction machine, the blade being operated in an up and down action, in an angle action and in a tilting action, the angle action moving the blade to differentiate back and forth positions of longitudinal ends of the blade, the tilting action moving the blade to differentiate vertical positions of longitudinal ends of the blade, comprising: a lever shaft including: an upper part extending upward, the upper part being located above a center portion of the lever shaft relative to a longitudinal direction of the lever shaft, the lever shaft being configured to be operable back and forth, corresponding to the up and down action of the blade; and a grip provided on the upper part of the lever shaft, the grip including: the first stopper is configured to restrict the rotation of the grip main body in the counterclockwise direction from the neutral position by a first predetermined rotation angle, and the second stopper is configured to restrict the rotation of the grip main body in the clockwise direction from the neutral position by a second predetermined rotation angle, and wherein the second predetermined rotation angle is different from the first predetermined rotation angle.