公开(公告)号：US20120251266A1

公开(公告)日：2012-10-04

申请号：US13241201

申请日：2011-09-22

申请人： Mingang WANG ,  Lei LIU

发明人： Mingang WANG ,  Lei LIU

IPC分类号： F16B33/00

CPC分类号： F16B23/0061 ,  F16B41/002

摘要： A screw fastener, for fastening a workpiece to a fixed member, including a screw having a head having circumferential knurling and a stem having a first stem portion abutting the head and second stem portion abutting the first stem portion, the first stem portion having a smooth surface and the second stem portion having threads; a fixed member having a countersink bore section for accommodating the head and a threaded bore section for engagement with the second stem portion, the countersink bore section having a larger diameter than the threaded section; and a plastic washer having a hole that allows the washer to engage with the threaded section and an outer diameter larger than the diameter of the bore; the second stem portion passing sequentially through the workpiece to be fastened, the plastic washer, the countersink bore section and engage with the threaded bore section of the fixed member.

摘要翻译： 一种用于将工件紧固到固定构件的螺钉紧固件，包括具有圆周滚花的头部的螺钉和具有邻接头部的第一杆部分和与第一杆部分邻接的第二杆部分的杆，第一杆部分具有平滑 表面和具有螺纹的第二杆部分; 具有用于容纳所述头部的埋头孔部分和用于与所述第二杆部分接合的螺纹孔部分的固定部件，所述埋头孔部分具有比所述螺纹部分更大的直径; 以及具有允许垫圈与螺纹部分接合并具有大于孔直径的外径的孔的塑料垫圈; 第二杆部分顺序地通过待紧固的工件，塑料垫圈，埋头孔部分，并与固定部件的螺纹孔部分接合。