发明名称 |
CARPET CLEANING APPARATUSES |
摘要 |
A carpet cleaning apparatus comprising a cylindrical brush rotating in contact with the floor and at least one brush reciprocatory in the direction of travel of the apparatus in contact with the floor and mechanically connected to the rotary brush, and a vacuum cleaner nozzle associated with said reciprocatory brush.
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申请公布号 |
US3688338(A) |
申请公布日期 |
1972.09.05 |
申请号 |
USD3688338 |
申请日期 |
1970.04.27 |
申请人 |
AB. BORST & PENSELFABRIKEN |
发明人 |
SVEN ALBERT LUNDVALL |
分类号 |
A47L9/04;A47L11/33;(IPC1-7):A47L5/00 |
主分类号 |
A47L9/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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