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1. 发明授权

US4054073A Jeweler's tool 失效
标题翻译：珠宝商{3 s工具
公开(公告)号：US4054073A
公开(公告)日：1977-10-18
申请号：US743564
申请日：1976-11-22
申请人： Howard H. Smith , Glenn E. Christensen
发明人： Howard H. Smith , Glenn E. Christensen
IPC分类号： A44C9/00 , B26D1/30 , B26D3/00
CPC分类号： A44C9/0084 , B26D1/30 , Y10S83/917 , Y10S83/935 , Y10T83/0596 , Y10T83/8801 , Y10T83/8809
摘要： A cutting tool is provided with a plurality of circular cutting blades of varying predetermined thicknesses to shear sections from rings made of precious metals. Each blade is formed with a notched perimeter to provide a pair of blade cutting edges. The blades are mounted on a spindle for rotation therewith, while the spindle is rotatably mounted in a plurality of cutting blocks which are affixed to a base in an alternating arrangement with the aforesaid blades. The cutting blocks define cutting edges so that rotation of the spindle causes the blade cutting edges formed by the notched perimeter to come into a simultaneous shearing relation with the cutting edges of the two adjacent cutting blocks. Further rotation of the spindle will shear out a section of a ring interposed in the notched perimeter of the blade. The tool is further provided with removable trays to catch sheared pieces of precious metals. Rotation of the spindle is accomplished through a conventional crank handle.
摘要翻译：切割工具设置有多个具有预定厚度的圆形切割刀片，其具有由贵金属制成的环的剪切部分。每个叶片形成有切口周边以提供一对刀片切割刃。刀片安装在主轴上以与其一起旋转，而主轴可旋转地安装在多个切割块中，该多个切割块以与上述刀片交替布置的方式固定到基座。切割块限定切割边缘，使得主轴的旋转导致由切口周边形成的叶片切割边缘与两个相邻切割块的切割边缘同时剪切关系。主轴的进一步旋转将剪切插入在叶片的切口周边中的环的一部分。该工具还提供有可拆卸的托盘，以捕获剪切的贵金属件。主轴的旋转通过传统的曲柄手柄实现。

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