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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0206668 (1988-06-15) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 32 인용 특허 : 0 |
A mop has an elongated mop head fabricated in sections, with each section being connected by a hinge to the adjoining sections on either side. The outermost sections can be rotated upward independently about their respective hinges so that they lie flat and inverted on the adjacent inner sections, f
A mop, comprising: an elongated mop head having a plurality of sections disposed along the length of the head, one of such sections being disposed at the center of the mop head; hinge means connecting each section to the adjacent sections of the mop head, such that said hinge means enables each pair
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