会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明公开
    • Screw
    • Schraube
    • EP1557576A1
    • 2005-07-27
    • EP04001603.2
    • 2004-01-26
    • Su, Guo-Cai
    • Su, Guo-Cai
    • F16B25/00F16B33/02
    • F16B25/0052F16B25/0015
    • The present invention provides a screw (1) comprised of a head (11), a shank (12) under the head in a whole body, and a thread (13) helically built upon the outside body of the shank; wherein, said thread projecting from the cylindrical body of the shank is consisted of an upper flank, a lower flank, and a peak on the joint line of the upper and lower flanks, and an even number of axial slots (534) formed on the thread; the advantage being that every axial slot is beveled with a back angle to form a sheared section from the upper flank to the lower flank, so as to form a cutting edge for facilitating rapid fastening with smaller tapping torque during tapping in.
    • 本发明提供了一种螺钉(1),其包括头部(11),在整个头部下方的头部下方的柄部(12)和螺纹构造在柄部的外侧主体上的螺纹(13) 其特征在于,从所述柄的圆筒体突出的所述螺纹由上侧面和下侧面的接合线上的上侧面,下侧面和峰构成,并且形成在所述上侧面和下侧面上的偶数轴向狭槽(534) 线; 其优点在于,每个轴向槽都以后角倾斜以形成从上侧面到下侧面的剪切部分,以便形成切削刃,用于在攻丝期间具有更小的攻丝扭矩的快速紧固。