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发明名称
一种防滑铁膨胀螺丝
摘要
一种防滑铁膨胀螺丝,包括膨胀套、穿设在膨胀套中的锥头螺栓以及螺栓上的螺母,其中锥头螺栓的锥头上设有定位筋条,该定位筋条与膨胀套上的开缝位置相对应。由于锥头螺栓的锥头的锥面上设有与膨胀套上的开缝位置相对应定位筋条,该筋条嵌入膨胀套上的开缝中,互相形成定位,防止了打滑,使膨胀螺丝可靠工作。
申请公布号
CN201763738U
申请公布日期
2011.03.16
申请号
CN201020522149.3
申请日期
2010.09.08
申请人
台州市第一中学
发明人
陈征燕
分类号
F16B13/06(2006.01)I
主分类号
F16B13/06(2006.01)I
代理机构
代理人
主权项
一种防滑铁膨胀螺丝,包括膨胀套(1)、穿设在膨胀套(1)中的锥头螺栓(4)以及螺栓上的螺母(3),其特征是:锥头螺栓(4)的锥头(401)上设有定位筋条(402),该定位筋条(402)与膨胀套(1)上的开缝(101)位置相对应。
地址
318000 浙江省台州市椒江区椒金路9号
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