发明名称 |
Electric power vacuum cleaner has suction fan to feed air to variable volume collection chamber |
摘要 |
The electric power vacuum cleaner (1) has a suction fan to feed air to a dust collection chamber (7) containing a filter bag (6). The collection chamber is adjustable for volume in the suction or blowing direction. The collection chamber can be telescopic or formed as a bellows.
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申请公布号 |
DE10137064(A1) |
申请公布日期 |
2003.02.13 |
申请号 |
DE20011037064 |
申请日期 |
2001.07.28 |
申请人 |
VORWERK & CO. INTERHOLDING GMBH |
发明人 |
MEYER, FRANK |
分类号 |
A47L9/14;(IPC1-7):A47L9/14 |
主分类号 |
A47L9/14 |
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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