发明授权
- 专利标题: Countersunk head screw
- 专利标题(中): 沉头螺丝
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申请号: US776732申请日: 1997-05-15
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公开(公告)号: US5772376A公开(公告)日: 1998-06-30
- 发明人: Gottfried Konig
- 申请人: Gottfried Konig
- 申请人地址: DEX Bad Laasphe
- 专利权人: Ejot Verbindungstechnik GmbH & Co. KG
- 当前专利权人: Ejot Verbindungstechnik GmbH & Co. KG
- 当前专利权人地址: DEX Bad Laasphe
- 优先权: DEX29508852.4 19950529
- 主分类号: F16B25/00
- IPC分类号: F16B25/00 ; F16B35/06 ; F16B23/00
摘要:
The invention relates to a countersunk head screw with an even number of ribs with countersinking blades on the underside of the screw head and projecting therefrom. Every other rib has a step at its end towards the screw shaft formed by shortening the rib concerned in relation to each adjacent rib.
公开/授权文献
- USD342663S Strain relief for electrical wire 公开/授权日:1993-12-28