发明名称 Dust and chip removal device comprising a dust and chip retaining device
摘要 A dust and chip removal device for sanding hand power tools has a storage container securable to a hand power tool, a transport channel via which dust and chips are directed into the storage container, a retaining element preventing the dust and chips from flowing back out of the storage container, the retaining element having at least one passage, an elastic element which has a holding force closing the at least one passage, the passage being openable automatically against the holding force at starting at a certain delivery pressure, while the elastic element automatically closes the passage below a certain delivery pressure, and a channel having cross-sectional area which tapers toward the passage.
申请公布号 US6830507(B2) 申请公布日期 2004.12.14
申请号 US20030333183 申请日期 2003.05.02
申请人 ROBERT BOSCH GMBH 发明人 REICH DORIS;WUESCH STEFFEN;KEUSCH SIEGFRIED
分类号 B24B23/00;B24B55/10;(IPC1-7):B24B55/04 主分类号 B24B23/00
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