发明名称 CONSTANT TORQUE THREADED FASTENER FORMATION
摘要 A sheet metal nut formation is provided with helical edges engaging a threaded shank. One of these helical edges has a portion deflected out of the helical curve to engage the sides of the threads of the threaded shank and provides constant torque resistance to rotation of the threaded shank.
申请公布号 US3645311(A) 申请公布日期 1972.02.29
申请号 USD3645311 申请日期 1969.11.03
申请人 GEORGE A. TINNERMAN 发明人 GEORGE A. TINNERMAN
分类号 F16B21/16;F16B37/02;F16B37/04;F16B41/00;F16B43/00;(IPC1-7):F16B39/30 主分类号 F16B21/16
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