发明名称 Chalk collector and method
摘要 A chalk collector is provided which can be easily affixed to a conventional wheel type chalk line assembly. The collector includes a fine passageway which gathers excess chalk as the chalk line is withdrawn from the housing. Apertures or conduits are provided for returning the chalk to the chalk line assembly housing for reuse.
申请公布号 US6393709(B1) 申请公布日期 2002.05.28
申请号 US20000536441 申请日期 2000.03.28
申请人 JONES GARY W. 发明人 JONES GARY W.
分类号 B44D3/38;(IPC1-7):B44D3/38 主分类号 B44D3/38
代理机构 代理人
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