发明授权
- 专利标题： Screw anchor with conical head for rail attachment
- 专利标题（中）： 带螺栓的螺栓，用于导轨附件
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申请号： US13133450申请日： 2009-12-10
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公开(公告)号： US08434981B2公开(公告)日： 2013-05-07
- 发明人: Winfried Bösterling , André Hunold , Eugen Gart
- 申请人： Winfried Bösterling , André Hunold , Eugen Gart
- 申请人地址： DE Werdohl
- 专利权人： Vossloh Werke GmbH
- 当前专利权人： Vossloh Werke GmbH
- 当前专利权人地址： DE Werdohl
- 代理商 Scott R. Cox
- 优先权： EP08021460 20081210
- 国际申请： PCT/EP2009/066825 WO 20091210
- 国际公布： WO2010/066837 WO 20100617
- 主分类号： F16B37/12
- IPC分类号： F16B37/12
摘要：
A screw anchor for concrete attachment to a railroad tie or solid track comprises external threads (16) disposed on the exterior of the screw anchor (10) and internal threads (18) disposed inside the screw anchor (10) for force-fitted connecting to a fastening element (30), wherein the screw anchor (10) comprises two sections (12, 14) adjacent to one another in the longitudinal direction, the first section (12) having a substantially cylindrical external shape and the second section (14) having a substantially conical external shape, and wherein the second section (14) is disposed between the first section (12) and an inlet opening (26) for the fastening element (30).
公开/授权文献
- US20110262241A1 SCREW ANCHOR WITH CONICAL HEAD FOR RAIL ATTACHMENT 公开/授权日：2011-10-27