| 发明名称 |
No-tool brush changing means. |
| 摘要 |
<p>Machines for sweeping or scrubbing floors or outdoor surfaces may have one or more horizontal cylindrical brushes that rotate against a surface to be cleaned. Novel means are provided for quickly removing and replacing such brushes without using tools. <IMAGE></p> |
| 申请公布号 |
EP0577288(A2) |
申请公布日期 |
1994.01.05 |
| 申请号 |
EP19930304666 |
申请日期 |
1993.06.15 |
| 申请人 |
TENNANT COMPANY |
发明人 |
HENNESSEY, ROBERT D.;WILMO, MICHAEL S. |
| 分类号 |
A47L11/282;A47L11/14;A47L11/24;B08B1/04;E01H1/05;(IPC1-7):A47L11/24;A47L5/30 |
主分类号 |
A47L11/282 |
| 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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