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公开(公告)号：EP1310335B1
公开(公告)日：2008-12-03
申请号：EP02025040.3
申请日：2002-11-11
CPC分类号： B27G19/04 , B23D47/126 , B25F3/00
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2.发明公开
公开(公告)号：EP1310335A2
公开(公告)日：2003-05-14
申请号：EP02025040.3
申请日：2002-11-11
CPC分类号： B27G19/04 , B23D47/126 , B25F3/00
摘要： A tool guard attachment (10) for a rotary hand tool of the type which has a housing with a nose portion from which an output shaft protrudes and which typically has a mechanism for holding tool bits or implements is disclosed. The tool guard attachment (10), which mounts to the nose portion of the rotary hand tool, has a guard housing (12) with an enlarged guard portion (18) at the outer end thereof which provides a shield or guard for a flat circular tool implement (20) that is mounted on an arbor shaft assembly (22) that in turn is connected by a U-joint (64) to a drive shaft assembly (24) at an acute angle relative to the arbor shaft assembly (22). The drive shaft assembly (24) engages a driver nut or the like that is mounted to the output shaft of the rotary hand tool. The angle between the drive shaft and the arbor shaft is offset about 10 to 30° so that the rotary hand tool itself does not interfere with the cutting blade (20) engaging a work surface at a perpendicular angle during operation. A lower guard (34) that is retractable in the enlarged guard portion (18) of the housing is normally biased away from the enlarged guard portion (18) for protecting a user from injury.
摘要翻译： 公开了一种用于旋转式手动工具的工具防护装置（10），其具有壳体，该壳体具有鼻部，输出轴从该外壳突出，并且通常具有用于保持工具钻头或工具的机构。 安装在旋转式手动工具的鼻部的工具保护附件（10）具有防护壳体（12），其外端具有放大的防护部分（18），其提供用于平坦圆形的屏蔽或护罩 安装在心轴组件（22）上的工具工具（20），该工具工具（20）又通过U形接头（64）相对于心轴组件（22）以锐角连接到驱动轴组件（24） 。 驱动轴组件（24）接合安装到旋转手动工具的输出轴上的驱动螺母等。 驱动轴和心轴之间的角度偏离约10°至30°，使得旋转手动工具本身在操作期间不会以与垂直角度接合的工作表面干涉切割刀片（20）。 在壳体的扩大防护部分（18）中伸缩的下护罩（34）通常被偏压远离放大的防护部分（18），以防止使用者受伤。
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公开(公告)号：EP1310335A3
公开(公告)日：2004-06-16
申请号：EP02025040.3
申请日：2002-11-11
CPC分类号： B27G19/04 , B23D47/126 , B25F3/00
摘要： A tool guard attachment (10) for a rotary hand tool of the type which has a housing with a nose portion from which an output shaft protrudes and which typically has a mechanism for holding tool bits or implements is disclosed. The tool guard attachment (10), which mounts to the nose portion of the rotary hand tool, has a guard housing (12) with an enlarged guard portion (18) at the outer end thereof which provides a shield or guard for a flat circular tool implement (20) that is mounted on an arbor shaft assembly (22) that in turn is connected by a U-joint (64) to a drive shaft assembly (24) at an acute angle relative to the arbor shaft assembly (22). The drive shaft assembly (24) engages a driver nut or the like that is mounted to the output shaft of the rotary hand tool. The angle between the drive shaft and the arbor shaft is offset about 10 to 30° so that the rotary hand tool itself does not interfere with the cutting blade (20) engaging a work surface at a perpendicular angle during operation. A lower guard (34) that is retractable in the enlarged guard portion (18) of the housing is normally biased away from the enlarged guard portion (18) for protecting a user from injury.
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