| 摘要 |
PROBLEM TO BE SOLVED: To provide a sliding door mechanism for construction machinery, by which the piling of soil and sand or the like onto a rail or a rail corresponding member is prevented and a sliding door can be moved smoothly at all times. SOLUTION: The sliding door mechanism for the construction machinery, in which the piling of soil and sand or the like onto rails or rail corresponding members is removed because foreign-substance removing mechanisms 16 are installed to the supporting member 13 of vertical rollers 6 and/or the rails and rail corresponding members of the rollers, the sliding door can be moved smoothly at all times, and the mounting of the rollers on soil and sand or the like and the damage of the rollers can be avoided in the sliding door for the construction machinery in which the door is engaged with the sliding rails set up at a plurality of positions containing the upper and lower sections of the front edge of a cab through the horizontal and vertical rollers and the door is slid along the side face of the cab, can be provided.
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