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1. 发明专利

JP2008238321A Fixing device of rotary cutting tool 有权
标题翻译：旋转切割工具固定装置
公开(公告)号：JP2008238321A
公开(公告)日：2008-10-09
申请号：JP2007081278
申请日：2007-03-27
申请人： Makita Corp , 株式会社マキタ
发明人： HIRABAYASHI SHINJI , KOJIMA NAOYUKI
IPC分类号： B23B31/02 , B23D61/02 , B27B9/00
CPC分类号： B27B5/32
摘要： PROBLEM TO BE SOLVED: To contrive tool-less of a saw blade fixing device without sacrificing functions of inclined angle and cutting depth, although the inclined angle and cutting depth in an inclining and cutting work are sacrificed since the size of the radial direction or the thickness direction of a conventional tool-less clamp is increased when the clamp is applied to an existing circular saw machine.
SOLUTION: A screw flange part 22 of a screw main body 20 to be fastened to a screw hole 5a of a spindle 5 is formed into a truncated cone shape. The screw flange part 22 is provided with an operating lever 24 to be rotatably operable to a storage position and a use position by being reversed. The operating lever 24 is not projected from the truncated cone shape when stored.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：尽管倾斜角度和倾斜角度以及切削深度在倾斜和切削加工中被牺牲，但是由于径向尺寸的大小，牺牲锯片固定装置的工具，而不牺牲倾斜角度和切割深度的功能当将夹具施加到现有的圆锯机上时，传统的无刀夹具的方向或厚度方向增加。解决方案：紧固到主轴5的螺钉孔5a的螺钉主体20的螺纹凸缘部分22形成为截头圆锥形状。螺纹法兰部22设置有操作杆24，以通过相反地可旋转地操作到存储位置和使用位置。存储时，操作杆24不会从截头锥形突出。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2007276078A Power tool 审中-公开
标题翻译：电动工具
公开(公告)号：JP2007276078A
公开(公告)日：2007-10-25
申请号：JP2006108337
申请日：2006-04-11
申请人： Makita Corp , 株式会社マキタ
发明人： TOKUNAGA MANABU , KOJIMA NAOYUKI
IPC分类号： B25F5/00 , B23D45/06 , B23D47/00 , B23Q11/00 , B27G19/02
摘要： PROBLEM TO BE SOLVED: To provide a technology for stopping a tool in an emergency without breaking the tool. SOLUTION: The power tool is provided with a main body 24, a tool operably supported by the main body, a driving source for operating the tool, a tool side brake member 50 connected to the tool so as to be moved with the tool, a main body side brake member 60 connected to the main body freely to move between a position separated from the tool side brake member and a position abutting on the tool side brake member, and a switching means for switching condition between the normal condition wherein the main body side brake member is maintained at the position separated from the tool side brake member and the braking condition wherein the main body side brake member is moved to the position abutting on the tool side brake member. The tool side brake member and the main body side brake member are formed from a material different from each other in hardness. One of the tool side brake member and the main body side brake member which has a higher hardness than the other one is formed with a plurality of blade-like parts 52. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供在不突破工具的情况下紧急停止工具的技术。解决方案：电动工具设有主体24，由主体可操作地支撑的工具，用于操作工具的驱动源，连接到工具上的工具侧制动构件50，以便与工具，主体侧制动构件60，其连接到主体，自由地在与工具侧制动构件分离的位置与与工具侧制动构件抵接的位置之间移动;以及切换装置，用于在正常状态之间切换状态，主体侧制动部件保持在与工具侧制动部件分离的位置以及主体侧制动部件移动到与工具侧制动部件抵接的位置的制动条件。工具侧制动构件和主体侧制动构件由硬度彼此不同的材料形成。具有比另一个硬度高的工具侧制动部件和主体侧制动部件之一形成有多个叶片状部件52.权利要求：（C）2008，JPO＆INPIT

3. 发明专利

JP2004169822A Speed increasing device using planetary gear mechanism, and electric trimmer 审中-公开
公开(公告)号：JP2004169822A
公开(公告)日：2004-06-17
申请号：JP2002336805
申请日：2002-11-20
申请人： Makita Corp , 株式会社マキタ
发明人： KOJIMA NAOYUKI
IPC分类号： B27C5/10 , B25F5/00 , F16H1/28
摘要： PROBLEM TO BE SOLVED: To provide a speed increasing device capable of considerably reducing shaft runout by solving a problem that an output shaft is run out to rotate a tip tool at a high speed by increasing the output rotation of an electric motor in an electric trimmer or router used in fringing wood or the like.
SOLUTION: A planetary gear mechanism is used for a speed increasing device 10, and an output shaft 17 is supported at both ends by two ball bearings 21 and 22. Inner rings 21a and 22a and outer rings 21b and 22b of the two ball bearings 21 and 22 are relatively rotated in the same direction, and the substantial number of rotation thereof is reduced to suppress the shaft runout of the output shaft 17, and to enhance the durability thereof.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2008080432A Vibration tool 审中-公开
标题翻译：振动工具
公开(公告)号：JP2008080432A
公开(公告)日：2008-04-10
申请号：JP2006262426
申请日：2006-09-27
申请人： Makita Corp , Mitsubishi Materials Corp , Nippon Diamond Co Ltd , 三菱マテリアル株式会社 , 日本ダイヤモンド株式会社 , 株式会社マキタ
发明人： KOJIMA NAOYUKI , KOBAYASHI KENJI , KAWAHARA TAKESHI , SETO TOMOO , MAZAKI SHIGERU
IPC分类号： B23B45/16
摘要： PROBLEM TO BE SOLVED: To solve the problem that high-speed rotation of an output shaft having a tip tool attached unnecessarily increases the number of vibrations in a conventional vibration tool, resulting in reduction in durability of the vibration tool and degradation in usability of the tool.
SOLUTION: Two trains of reduction gears 20 and 30 including a rotation drive system and a vibration application system are interposed between a driving shaft 12 and the output shaft to apply axial vibration to the output shaft 13 based on a difference in numbers of rotations of the driven gears 22 and 32.
COPYRIGHT: (C)2008,JPO&INPIT

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