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1. 发明授权

US5967209A Method, system and apparatus for safely cutting a workpiece on an inverted router table 失效
标题翻译：用于在倒置的路由器台上安全切割工件的方法，系统和设备
公开(公告)号：US5967209A
公开(公告)日：1999-10-19
申请号：US245682
申请日：1999-02-08
申请人： Mark Sei-Ichi Fukuda
发明人： Mark Sei-Ichi Fukuda
IPC分类号： B23Q11/06 , B25B11/00 , B27C5/06 , F16P3/14 , F16P7/02 , B27B1/00 , B27C5/00 , B27M3/00
CPC分类号： F16P3/14 , B23Q11/06 , B25B11/007 , B27C5/06 , F16P3/141 , F16P3/142 , F16P3/145 , F16P3/147 , F16P7/02 , Y10T409/302576 , Y10T409/303416
摘要： A transparent shield is attached to a template and workpiece and used to move the workpiece against an inverted router blade. The transparent shield prevents inadvertent contact of fingers or hands with the router blade, yet allows visual observation of the workpiece proximate to the router blade. A router table may support the workpiece being cut by the router blade. Handles may be attached to the transparent shield for holding thereof. Sensors in the router table may determine the position of the transparent shield in relation to the router blade and the router blade may be stopped if the transparent shield is not covering the router blade. A video camera may be positioned over the router table. The router table, router blade and transparent shield images may be tracked in relation to one another such that if the transparent shield is not covering the router blade, then the router blade may be stopped. A microprocessor computer system may be used in conjunction with the router table sensors or video camera to control operation of the router blade. A brake may be added to the router blade shaft for quickly stopping the router blade if the transparent shield does not cover the running router blade.
摘要翻译：透明屏蔽件连接到模板和工件上，并用于将工件移动到倒置的路由器刀片上。透明屏蔽防止手指或手与路由器刀片意外接触，但允许目视观察靠近路由器刀片的工件。路由器台可以支持被路由器刀片切割的工件。手柄可以附接到透明屏蔽件用于保持。路由器表中的传感器可以确定透明屏蔽相对于路由器刀片的位置，并且如果透明屏蔽层不覆盖路由器刀片，路由器刀片可能停止。摄像机可能位于路由器表的上方。可以相对于彼此跟踪路由器表，路由器刀片和透明屏蔽图像，使得如果透明屏蔽层不覆盖路由器刀片，则可以停止路由器刀片。微处理器计算机系统可以与路由器表传感器或摄像机结合使用以控制路由器刀片的操作。如果透明屏蔽层不覆盖正在运行的路由器刀片，则可将制动器添加到路由器刀片轴上，以快速停止路由器刀片。

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