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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0536441 (2000-03-28) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 16 인용 특허 : 6 |
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 The collector includes a fine passageway which gathers excess chalk as the chalk line is withdrawn from the housing.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 lin
1. In a chalk line assembly having a housing containing a chalk line and a quantity of chalk whereby said chalk line is coated with chalk as it is withdrawn from said housing, the improvement comprising: a chalk collector, said chalk collector positioned proximate said housing, said chalk collector
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