发明名称 |
VENTILATION FAN DEVICE AND METHOD FOR MANUFACTURING SAME |
摘要 |
PROBLEM TO BE SOLVED: To provide a ventilation fan device and a method for manufacturing the same capable of securing high reliability without causing mechanical play or looseness between a locking claw of a frame and the engagement part of a housing. SOLUTION: A roughly round shape suction port 14a is formed at a roughly center of a bottom wall 14b of the frame 14. An annular retention part 14f supported by two connecting part 14e is arranged at a roughly center part of the suction port 14a. Elastic force of the locking claws 14g formed at four sections of the annular retention part 14f acts to fasten a housing 18 and the frame 14. COPYRIGHT: (C)2008,JPO&INPIT |
申请公布号 |
JP2008121627(A) |
申请公布日期 |
2008.05.29 |
申请号 |
JP20060308788 |
申请日期 |
2006.11.15 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
HIRATA MASAHIKO |
分类号 |
F04D29/42;F04D29/52;H02K7/14 |
主分类号 |
F04D29/42 |
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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