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1. 发明授权

US4776250A Square for glass cutting 失效
标题翻译：玻璃切割方形
公开(公告)号：US4776250A
公开(公告)日：1988-10-11
申请号：US88513
申请日：1987-08-20
申请人： Monte L. Julius
发明人： Monte L. Julius
IPC分类号： C03B33/12 , B26D5/00 , B27B3/00 , B27B5/18
CPC分类号： C03B33/12 , Y10T83/68
摘要： A square for glass cutting has a triangular shaped phenolic plastic body having a head supporting base member, a straight edge, and a straight edge strengthening member. The base member has a plurality of apertures having diameters of a first dimension. A head member includes first and second head plates interconnected and spaced by a bridge to sandwich the base member. The first and second plates have a plurality of apertures having centers corresponding to the centers of the base member apertures, but having diameters of a second dimension less than the first dimension but equal to the diameters of set screws, whereby when the head member is loosely attached to the head support member by the set screws the squaring of the first head plate automatically squares the second head plate and the tightening of the set screws maintains the squared relationship between the head plates and the straight edge member. The support member forms the hypotenuse of the right angle triangle and provides straight edge strength at the top where needed and base member support to prevent rotation of the straight edge member.
摘要翻译：用于玻璃切割的正方形具有三角形的酚醛塑料体，其具有头部支撑基部构件，直边缘和直边加强构件。基部构件具有多个具有第一尺寸直径的孔。头部构件包括互连并由桥隔开以夹住基座构件的第一和第二头板。第一和第二板具有多个孔，其具有对应于基部构件孔的中心的中心，但是具有小于第一尺寸的第二尺寸的直径，但等于固定螺钉的直径，由此当头构件松散时通过固定螺钉将头部支撑构件附接到头部支撑构件，第一头板的平方自动地对准第二头板，并且紧固固定螺钉保持头板和直边缘构件之间的平方关系。支撑构件形成直角三角形的斜边，并且在需要的基部构件的顶部提供直边强度，以防止直边构件的旋转。

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