On vehicle sutetsupu

摘要

(57) Abstract Objective Of the driver''s stand freeboard changing, step freeboardTry not to change excessively. Constitution Front and back to form the external form of step symmetrically, the foot entranceStand facilities to do the flange in the edge which excludes re ru side, that flangeFront and back it Perforating symmetrically on the identical horizontal plane facilities to do the mounting hole, hull paneForming the vertical wall, to ru it Perforating facilities it does the mounting hole.