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1. 发明授权

US5121543A Portable circular saw having sawdust discharge arrangement 失效
标题翻译：便携式圆锯具有锯齿放电装置
公开(公告)号：US5121543A
公开(公告)日：1992-06-16
申请号：US787610
申请日：1991-11-04
申请人： Akira Onose , Hiroshi Sato , Ryoji Tuchida
发明人： Akira Onose , Hiroshi Sato , Ryoji Tuchida
IPC分类号： B23D59/00 , B23Q11/00 , B27B9/00 , B27G3/00 , B27G19/04
CPC分类号： B23Q11/0042 , B23D59/006 , Y02P70/171
摘要： A portable circular saw device having sawdust discharge arrangement which prevents sawducts from being discharged toward an operator. The circular saw has an upper blade guard which has one side wall and an opposite side wall, and a discharge opening is formed at the one side wall for discharging, through the discharge opening the sawdusts laterally away from the operator. For further ensuring this lateral discharge of the sawdusts, a deflector is provided at the one side wall at a position close to an upstream edge of the discharge opening. The deflector protrudes from an inner surface of the one side wall toward the opposite wall for directing the sawducts passing along the inner surface of the one side wall toward an end portion on which the sawducts are reflected and are then directed to a direction perpendicular to the moving locus of the sawdusts.
摘要翻译：一种具有锯屑排放装置的便携式圆锯装置，其防止锯齿朝向操作者排出。圆锯具有一个具有一个侧壁和一个相对侧壁的上部刀片防护罩，并且在该一个侧壁处形成一个排出口，用于通过排放口将锯屑横向离开操作者排出。为了进一步确保锯屑的横向排出，在靠近排出口的上游边缘的位置处，在一个侧壁处设置偏转器。偏转器从一个侧壁的内表面朝向相对的壁突出，用于引导沿着一个侧壁的内表面通过的锯齿朝向其上被锯齿反射的端部，然后被引导到垂直于锯末的移动轨迹。

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