专利名称：SCREW/SCREWDRIVER SYSTEM
发明人：ZAPATA PALLAGI, JEFFREY ALLAN,ZAPATA PALLAGI, Jeffrey Allan
我和姨申请号：MX2013/000116
申请日：20130927
公开号：WO2014/123400A1
胖女孩发型公开日：
20140814
专利内容由知识产权出版社提供
专利附图：
摘要：The invention relates to a screw/screwdriver system comprising: a screw (10) including a groove (30) that is dispod in the head and provided with inclined walls, the width of the ba of the groove being greater than the width of the upper part of the
groove; and a screwdriver (20) having inclined walls at the tip, such that the width of the distal end is greater than the width of the proximal end of the tip (20B) in relation to the handle, in which the degree of inclination of the groove matches that of the tip, thereby allowing a coupling arrangement that oppos the slippage or sudden relea of the screwdriver (20) from the groove (30) in the screw (10) during the driving or removing of screws. In addition, the screw head can include a central hole (50), and the tip (20B) of the screwdriver (20) can include a corresponding coupling projection (40).
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枸杞种植申请人：ZAPATA PALLAGI, JEFFREY ALLAN,ZAPATA PALLAGI, Jeffrey Allan
地址：MX每天跑步好吗
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国籍：MX
代理人：PÉREZ DE LA SIERRA, Carlos什么是兴国之要
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