发明授权
- 专利标题： Sewing machine cooling system
- 专利标题（中）： 缝纫机冷却系统
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申请号： US3771478D申请日： 1972-06-28
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公开(公告)号： US3771478A公开(公告)日： 1973-11-13
- 发明人: TRANQUILLA M , KRAATZ G
- 申请人： UNION SPECIAL CORP
- 专利权人： Union Special Corp
- 当前专利权人： Union Special Corp
- 优先权： US26713472 1972-06-28
- 主分类号： D05B71/00
- IPC分类号： D05B71/00
摘要：
A sewing machine is provided with a ducted fan mounted on the machine drive shaft. The fan provides a substantially axial flow. Air discharged from the fan is directed over the bottom cover plate of the sewing machine which is provided with heat dissipating fins. Additionally, air discharged from the fan is directed over the top of the machine.
信息查询
