| 摘要 |
PROBLEM TO BE SOLVED: To prevent dust from being scattered in a machine chamber or being accumulated in the middle part of the machine chamber by arranging partition plates, which are brought into contact or non-contact with a footstep, in the front and in the back of a cleaning brush in the moving direction of the footstep in addition to the cleaning brush. SOLUTION: In the moving direction of a footstep 7, partition plates 16 are arranged in the front and the back of a cleaning brush 12. When an escalator is operated upward, the footstep 7 is moved toward the left and dust adhering to the footstep 7 is removed by means of the partition plate 16 so as to be scattered backward, however, the dust is not moved backward but accumulated in a partλbetween the both partition plates 16 as the cleaning brush 12 is brought into contact with the footstep 7. When the escalator is operated downward, the footstep 7 is moved toward the right and dust adhering to the foot step 7 is removed by means of the partition plate 16 so as to be scattered backward, however, the dust is not moved backward but accumulated in a partΟbetween the both partition plates 16 as the cleaning brush 12 is brought into contact with the footstep 7. The partition plates 16 are brought close to the footstep 7 as much as possible if they are made of nonmetallic material, while a clearance (e) is arranged between the footstep 7 and the partition plates 7 if they are made of metallic material.
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