发明名称 |
Suction head of a domestic vacuum cleaner has a variable width suction opening |
摘要 |
The suction head (1) of a vacuum cleaner has an inlet slot (4) with an elastically deformable rear wall (6) so that the opening width (a) is increased when the head is moved backwards and reduced in the forward direction.
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申请公布号 |
DE19900557(A1) |
申请公布日期 |
2000.07.20 |
申请号 |
DE19991000557 |
申请日期 |
1999.01.09 |
申请人 |
WESSEL-WERK GMBH |
发明人 |
DILGER, HORST;KAFFENBERGER, DIETER;RIEHL, KLAUS-DIETER |
分类号 |
A47L9/02;(IPC1-7):A47L9/02 |
主分类号 |
A47L9/02 |
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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