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1. 发明申请

US20070022852A1 RETRACTOR FOR CIRCULAR SAW LOWER SAFETY-GUARD 有权
标题翻译：圆形下部安全防护装置的延迟器
公开(公告)号：US20070022852A1
公开(公告)日：2007-02-01
申请号：US11424507
申请日：2006-06-15
申请人： Jack Tracy , Samuel Grimaldo , James Larkin
发明人： Jack Tracy , Samuel Grimaldo , James Larkin
IPC分类号： B27B9/00
CPC分类号： B27G19/04 , Y10T29/49716 , Y10T29/49718 , Y10T29/49721 , Y10T29/4973 , Y10T29/49963 , Y10T29/53 , Y10T83/04 , Y10T83/7734
摘要： Provided is an apparatus for lifting a retractable lower safety-guard on a circular saw. In one representative implementation, an actuator is attached to the circular saw and an elongated arm is coupled to the actuator such that operating the actuator causes the elongated arm to lift. In addition, an engagement element is attached to the retractable lower safety-guard of the circular saw. When lifted, the elongated arm engages the engagement element, thereby retracting the retractable lower safety-guard of the circular saw. Preferably, the actuator is configured, and is located sufficiently close to a power switch for the circular saw, so that the actuator can be operated simultaneously with the power switch using a single hand. Also provided are retrofitting techniques for attaching such a device to an existing circular saw.
摘要翻译：提供了一种用于在圆锯上提起可缩回的下部安全保护装置。在一个代表性的实施方案中，致动器附接到圆锯，并且细长臂联接到致动器，使得操作致动器使得细长臂提升。此外，接合元件附接到圆锯的可缩回的下安全防护装置。当提升时，细长臂与接合元件接合，从而缩回圆形锯的可缩回的下部安全防护装置。优选地，致动器被构造并且被充分地定位成靠近用于圆锯的电源开关，使得致动器可以使用单手与电力开关同时操作。还提供了用于将这种装置附接到现有圆锯的改装技术。

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