公开(公告)号：US06453781B1

公开(公告)日：2002-09-24

申请号：US09423947

申请日：2000-01-19

Applicant: Francisco Casino Lorite ,  Francisco Casino Santiso ,  Luis Marin Sanchez

Inventor： Francisco Casino Lorite ,  Francisco Casino Santiso ,  Luis Marin Sanchez

IPC: B25B2300

CPC classification number: B25B15/005 ,  F16B23/0023

Abstract: New system for holding and fastening screws comprising a screw head provided with a mortise hole (1) having a tapered configuration along the screw longitudinal axis, said mortise hole (1) having a number of lugs (2) and the corresponding circular sections (3); and comprising a suitable screwdriver o fastening tool head tip (4) having a definite shape and wings (5), both according to the corresponding number of lugs (2) in order to match said screw head mortise hole (1); and comprising the required punching mortise die tool for the definite conformation of said screw head mortise hole (1) and said screwdriver or fastening tool head tip (4).

Abstract translation: 用于保持和紧固螺钉的新系统包括螺钉头，该螺钉头具有沿螺钉纵向轴线具有锥形构造的榫眼孔（1），所述榫眼孔（1）具有多个凸耳（2）和相应的圆形部分（3） ）; 并且包括适当的螺丝刀o具有确定形状的紧固工具头部尖端（4）和翼部（5），两者都根据相应数量的凸耳（2）以匹配所述螺钉头榫眼（1）; 并且包括用于所述螺钉头榫眼（1）和所述螺丝起子或紧固工具头尖（4）的确定构造所需的冲孔榫眼模具。