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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0908123 (1978-05-22) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
Devices are described which are adapted for cleaning, dusting, mopping and applying liquids or fluids to floors, more particularly bowling lanes and areas adjacent such lanes. In some of the devices, means are provided for adjusting the length or width of the devices, as well as for adjustably secur
A device of the character described comprising a pair of longitudinally-spaced end plates, a pair of laterally-spaced cloth-retaining members interconnecting said end plates, said cloth-retaining members comprising channel shaped members consisting of a base and upstanding spaced flanges resiliently
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