Patent ID: 9688204
Date: 2017-06-27
CPC Classifications: B60R,E02F

Claim:
1. A ladder of a working vehicle in a multi-step structure, comprising: a first front connecting member and a first rear connecting member that are connected to a lateral side of a vehicle body and between a wheel and an end of the vehicle body and that are juxtaposed with a predetermined space in a vehicle front-back direction; a first step board that is connected in a pivotally movable manner between respective lower ends of the first front connecting member and the first rear connecting member; a second front connecting member and a second rear connecting member, wherein an upper end of one of the second front connecting member and the second rear connecting member is connected in a pivotally movable manner to a first end of the first step board in the vehicle front-back direction, and an upper end of the other of the second front connecting member and the second rear connecting member is connected in a pivotally movable manner to a second end of the first step board in the vehicle front-back direction; and a second step board that is connected in a pivotally movable manner between respective lower ends of the second front connecting member and the second rear connecting member, wherein: an upper end of one of the first front connecting member and the first rear connecting member near the wheel is fixed to the vehicle body, so as to be incapable of any pivotal movement with respect to the vehicle body, an upper end of the other of the first front connecting member and the first rear connecting member near the end of the vehicle body is connected in a pivotally movable manner to the vehicle body and is foldable; the upper end of the other of the first front connecting member and the first rear connecting member near the end of the vehicle body is connected in a pivotally movable manner to a first connecting bracket that is fixed to the vehicle body, and the first connecting bracket comprises a cutout hole that is open downward and that is adapted to receive the other of the first front connecting member and the first rear connecting member.