JPS62177871U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ないし第４図は本考案の一実施例を示し
、第１図は作業機の運転室用ドア装置を示す正面
図、第２図は第１図中の―矢示方向拡大断面
図、第３図は第２図中の―矢示方向断面図、
第４図は第３図中の―矢示方向断面図、第５
図ないし第９図は従来技術に係り、第５図は運転
室用ドアが適用される従来技術のホイールローダ
の正面図、第６図は第５図の平面図、第７図ない
し第９図は従来技術を示す運転室用ドアの各正面
図である。 ３…運転室、３Ａ…乗降口、８…車輪、２１…
ドア本体、３５…昇降装置。 1 to 4 show an embodiment of the present invention, FIG. 1 is a front view showing a door device for a driver's cab of a working machine, and FIG. 2 is an enlarged sectional view in the direction of the - arrow in FIG. 1. , Figure 3 is a cross-sectional view in the direction of the - arrow in Figure 2,
Figure 4 is a sectional view in the direction of the - arrow in Figure 3;
9 to 9 relate to the prior art, FIG. 5 is a front view of a conventional wheel loader to which a driver's cab door is applied, FIG. 6 is a plan view of FIG. 5, and FIGS. 7 to 9 FIG. 1 is a front view of a driver's cab door showing the prior art. 3... Driver's cabin, 3A... Entrance/exit, 8... Wheels, 21...
Door body, 35... Lifting device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 乗降口を有する運転室と、該運転室の近傍に位
置して該乗降口より上方に突出した車輪を備えた
作業機において、前記乗降口を開閉すべく前記運
転室に回動可能かつ上下動可能に設けたドア本体
と、該ドア本体を前記乗降口に対して所定角度以
上開いたときに該ドア本体を前記車輪より上方に
上昇させる昇降装置とから構成してなる作業機の
運転室用ドア装置。 In a working machine equipped with a driver's cab having an entrance/exit, and wheels located near the operator's cab and protruding upward from the entrance/exit, the operator's cab is rotatable and movable up and down in order to open/close the entrance/exit. For use in the operator's cab of a working machine, the door body is constructed of a door body that is movable, and a lifting device that raises the door body above the wheels when the door body is opened at a predetermined angle or more with respect to the entrance/exit. door device.