| 发明名称 |
MOTOR-DRIVEN SWEEPING MACHINE |
| 摘要 |
A motor-driven floor sweeping machine which has a sweeping mechanism having a shaft driving a change-speed gearing for a travel mechanism, the shaft extending axially relative to drive wheels and carrying a multiple-disc clutch.
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| 申请公布号 |
US3665541(A) |
申请公布日期 |
1972.05.30 |
| 申请号 |
USD3665541 |
申请日期 |
1970.06.12 |
| 申请人 |
WALTER GUTBROD;WOLFGANG GUTBROD |
发明人 |
DIETER FREHE |
| 分类号 |
A47L11/00;(IPC1-7):F16H37/08 |
主分类号 |
A47L11/00 |
| 代理机构 |
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代理人 |
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