| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for scraping sludge or the like which enables the whole structure thereof to be further simplified, has reduced cost and is advantageously installed. SOLUTION: A truck main body is formed of a long member of single one type whose cross-section is in uniform shape in the forward and backward direction, sludge scrapers are arranged respectively in front and back ends of the truck main body and the front and back scrapers are constituted so as to be freely linked with each other by a traction transmission means via a fore and after linking member which advances and retracts in parallel to the truck main body. COPYRIGHT: (C)2005,JPO&NCIPI
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