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51. 发明授权

US08205777B2 Fuel, gas, combustion type power tool driven by the fuel gas, and compressed gas container for the combustion type power tool 有权
标题翻译：由燃料气体驱动的燃料，燃气，燃烧型电动工具，以及用于燃烧型电动工具的压缩气体容器
公开(公告)号：US08205777B2
公开(公告)日：2012-06-26
申请号：US11285019
申请日：2005-11-23
申请人： Tomomasa Nishikawa , Shinki Ohtsu , Yasuki Ohmori , Kunio Yamamoto
发明人： Tomomasa Nishikawa , Shinki Ohtsu , Yasuki Ohmori , Kunio Yamamoto
IPC分类号： B25C1/10 , B25C5/13
CPC分类号： C10L3/00 , B25C1/08 , F17C13/04
摘要： A fuel gas has a gas including at least 40 weight % or more of 1-butene and propane, or at least 56 weight % or more of 1-butene and propylene. A combustion type power tool is driven by the fuel gas. A compressed gas container for a combustion type power tool has an inner side vessel filled with the fuel gas. When the fuel gas includes propane, 1-butene may be equal to or higher than 59 weight % and equal to or lower than 95 weight %. When the fuel gas includes propylene, the 1-butene may be equal to or higher than 70 weight % and equal to or lower than 96 weight %.
摘要翻译：燃料气体具有包含至少40重量％以上的1-丁烯和丙烷，或至少56重量％以上的1-丁烯和丙烯的气体。燃烧式电动工具由燃料气体驱动。用于燃烧式动力工具的压缩气体容器具有填充有燃料气体的内侧容器。当燃料气体包括丙烷时，1-丁烯可以等于或高于59重量％且等于或低于95重量％。当燃料气体包括丙烯时，1-丁烯可以等于或高于70重量％且等于或低于96重量％。

52. 发明申请

US20110227430A1 Power Tool 有权
标题翻译：电动工具
公开(公告)号：US20110227430A1
公开(公告)日：2011-09-22
申请号：US13121169
申请日：2009-05-20
申请人： Katsuhiro Omori , Junichi Toukairin , Nobuhiro Takano , Kazitala Iwata , Tomomasa Nishikawa
发明人： Katsuhiro Omori , Junichi Toukairin , Nobuhiro Takano , Kazitala Iwata , Tomomasa Nishikawa
IPC分类号： H02K7/14
CPC分类号： H02K9/06 , B25F5/00 , H01L2924/0002 , H02K7/145 , H02K11/215 , H02K11/33 , H05K1/181 , H05K3/341 , H05K2201/09027 , H05K2201/10166 , Y02P70/611 , H01L2924/00
摘要： According to an aspect of the present invention, there is provided a power tool including: a brushless motor; switching elements that drive the brushless motor; a circuit board on which the switching elements are mounted; a transmission portion that transmits a driving force of the brushless motor; and a housing that houses the brushless motor, the switching elements, the circuit board and the transmission portion therein, wherein the switching elements include semiconductor elements each having terminals on a bottom surface thereof, and wherein the switching elements are surface mounted on the circuit board.
摘要翻译：根据本发明的一个方面，提供了一种电动工具，包括：无刷电动机; 驱动无刷电机的开关元件; 其上安装有开关元件的电路板; 传递无刷电动机的驱动力的变速部; 以及容纳所述无刷电动机，所述开关元件，所述电路基板和所述发送部的壳体，其中所述开关元件包括在其底面上具有端子的半导体元件，并且其中所述开关元件表面安装在所述电路板上。

53. 发明授权

US07540722B2 Blower 有权
标题翻译：鼓风机
公开(公告)号：US07540722B2
公开(公告)日：2009-06-02
申请号：US11048806
申请日：2005-02-03
申请人： Tomomasa Nishikawa , Hiroto Inagawa
发明人： Tomomasa Nishikawa , Hiroto Inagawa
IPC分类号： F04B39/00 , F04B39/06 , F04B35/04 , F04D29/66
CPC分类号： F04D29/281 , E01H1/0809 , E01H1/0836 , F04D25/082
摘要： A blower providing a blower mode and a vacuum mode. A casing provides a motor housing installing a motor and a fan housing installing a centrifugal fan rotationally driven by the motor. A partition is disposed and having a first surface defining a motor housing and second surface defining a fan housing. The fan includes a generally circular base plate having one surface in direct confrontation with the second surface. A plurality of base plate through-holes arrayed in an imaginary circle whose center is coincident with the rotation axis of the fan are formed in the base plate. The partition is formed with a plurality of partition through-holes arrayed in the imaginary circle and in selective alignment with the base plate through-holes in accordance with the rotation of the centrifugal fan. Each partition through-hole includes a width increasing region where a width of the partition through-hole in the circumferential direction is gradually increased toward the second surface.
摘要翻译：提供鼓风机模式和真空模式的鼓风机。壳体提供安装马达的马达壳体和安装由马达旋转驱动的离心风扇的风扇壳体。分隔件被设置并且具有限定电动机壳体的第一表面和限定风扇壳体的第二表面。风扇包括具有与第二表面直接对抗的一个表面的大致圆形的底板。在基板上形成有以虚心圆排列的多个基板通孔，其中心与风扇的旋转轴线重合。分隔件形成有多个分隔通孔，该多个分隔通孔根据离心风扇的旋转而排列在假想圆中并与基板通孔选择性对准。每个分隔通孔包括宽度增加区域，其中分隔通孔在圆周方向上的宽度朝向第二表面逐渐增加。

54. 发明申请

US20090114072A1 DUST COLLECTION COVER ATTACHABLE TO CUTTER 失效
标题翻译：可以切割的垃圾收集盖
公开(公告)号：US20090114072A1
公开(公告)日：2009-05-07
申请号：US11994142
申请日：2006-06-23
申请人： Tomomasa Nishikawa , Shinki Ohtsu
发明人： Tomomasa Nishikawa , Shinki Ohtsu
IPC分类号： B26D7/18 , B26D1/14
CPC分类号： B28D7/02 , B23D59/006 , Y10T83/242 , Y10T83/7793
摘要： A dust collection cover capable of efficiently collecting cutting chips and residues generated as a result of cutting a workpiece. A cutter includes a motor and a rotary blade driven by the motor, and the dust collection cover is attached to the cover for covering a part of the blade. The cover is formed with a dust discharge port through which cutting chips and residues are discharged. The cover has a guide arrangement for directing the cutting chips and residues toward an interior of the cover body. The arrangement provides a blowing-out air blowing to the workpiece, or a rod-like member removing the cutting chips and residues.
摘要翻译：一种集尘盖，能够有效地收集由于切割工件而产生的切屑和残渣。切割机包括电动机和由电动机驱动的旋转叶片，并且灰尘收集盖附接到盖子以覆盖叶片的一部分。盖子形成有排屑口，切屑和残渣排出。盖具有用于将切割屑和残留物引导到盖体的内部的引导装置。这种布置为工件提供吹出的空气，或者去除切屑和残渣的棒状部件。

55. 发明授权

US07467739B2 Combustion-powered, fastener-driving tool generating sparks in succession when triggered 失效
标题翻译：燃烧动力的紧固件驱动工具在触发时连续产生火花
公开(公告)号：US07467739B2
公开(公告)日：2008-12-23
申请号：US11237860
申请日：2005-09-29
申请人： Haruhisa Fujisawa , Yoshitaka Akiba , Nobuhiro Takano , Kenro Ishimaru , Tomomasa Nishikawa
发明人： Haruhisa Fujisawa , Yoshitaka Akiba , Nobuhiro Takano , Kenro Ishimaru , Tomomasa Nishikawa
IPC分类号： B25C1/08
CPC分类号： B25C1/08
摘要： A combustion-powered, fastener-driving tool includes a cylinder and a combustion chamber disposed on top of the cylinder that accommodates a gaseous mixture of existing air in the combustion chamber and fuel injected therein. A spark plug generates a spark to combust the gaseous mixture in the combustion chamber. A trigger produces the spark in the spark plug when operated. A piston is movably supported in the cylinder and driven by combustion in the combustion chamber. A driving blade is coupled to the piston for driving a fastener. A spark controller is provided for generating a plurality of sparks in succession with the spark plug.
摘要翻译：燃烧动力的紧固件驱动工具包括气缸和设置在气缸顶部的燃烧室，其容纳燃烧室中的现有空气和喷射的燃料的气体混合物。火花塞产生火花以燃烧燃烧室中的气体混合物。触发器在操作时产生火花塞中的火花。活塞可移动地支撑在气缸中并由燃烧室中的燃烧驱动。驱动叶片联接到活塞以驱动紧固件。提供火花控制器用于与火花塞相继产生多个火花。

56. 发明申请

US20080202781A1 DRILLING DEVICE 有权
标题翻译：钻井设备
公开(公告)号：US20080202781A1
公开(公告)日：2008-08-28
申请号：US12035711
申请日：2008-02-22
申请人： Tomomasa Nishikawa , Kenji Kobori
发明人： Tomomasa Nishikawa , Kenji Kobori
IPC分类号： B25D11/00 , B23B45/00
CPC分类号： B25H1/0078 , B23Q11/0046 , B23Q11/0071 , Y10T408/50 , Y10T408/564 , Y10T408/65
摘要： A drilling device includes an end cutting tool, a main housing, a motor, a transmission, and a dust collection unit. The end cutting tool processes a workpiece. The motor is provided in the main housing for generating a torque. The transmission transmits the torque to rotate the end cutting tool. The dust collection unit collects dust generated by the rotation of the end cutting tool. The dust collection unit includes a dust case for accumulating the dust therein. The dust case is detachable from the main housing and having an inlet and an outlet. The inlet and the outlet are oriented in a single direction.
摘要翻译：钻孔装置包括端部切削工具，主壳体，马达，变速器和集尘单元。端切割工具处理工件。马达设置在主壳体中以产生扭矩。传动装置传递扭矩以旋转端部切削工具。集尘装置收集端部切削工具的旋转产生的粉尘。集尘单元包括用于在其中积聚灰尘的防尘盒。防尘壳可从主壳体拆卸并具有入口和出口。入口和出口沿单一方向定向。

57. 发明申请

US20070227477A1 Combustion type power tool having buffer piece 有权
标题翻译：具有缓冲片的燃烧式电动工具
公开(公告)号：US20070227477A1
公开(公告)日：2007-10-04
申请号：US11802956
申请日：2007-05-29
申请人： Yoshitaka Akiba , Haruhisa Fujisawa , Tomomasa Nishikawa
发明人： Yoshitaka Akiba , Haruhisa Fujisawa , Tomomasa Nishikawa
IPC分类号： F02B71/04
CPC分类号： B25C1/123
摘要： A combustion-type power tool includes a housing, a cylinder disposed, a piston, and a cylinder head disposed at an end of the housing and having a wall portion extending in a direction perpendicular to an axial direction, the wall portion having an opening. A motor is disposed at the cylinder head and includes a motor body and a drive shaft extending from the motor body into a combustion chamber through the opening of the wall portion of the cylinder head, a fan is connected to the drive shaft to be rotatable within the combustion chamber, and an elastic member is disposed at the opening of the wall portion and has a sleeve portion extending in the axial direction. The sleeve portion has a through-hole through which the drive shaft extends, and an inner surface of the through-hole is tapered with respect to an outer surface of the drive shaft.
摘要翻译：一种燃烧式电动工具包括壳体，设置的气缸，活塞和设置在壳体的端部并具有沿与轴向垂直的方向延伸的壁部的气缸盖，壁部具有开口。电动机设置在气缸盖上，包括电动机主体和驱动轴，该电动机主体和驱动轴通过气缸盖的壁部分的开口从电动机主体延伸到燃烧室，风扇连接到驱动轴上以在内部可转动燃烧室和弹性构件设置在壁部的开口处并且具有沿轴向延伸的套筒部。套筒部分具有通孔，驱动轴穿过该通孔，并且通孔的内表面相对于驱动轴的外表面是锥形的。

58. 发明授权

US07225768B2 Combustion type power tool having buffer piece 有权
标题翻译：具有缓冲片的燃烧式电动工具
公开(公告)号：US07225768B2
公开(公告)日：2007-06-05
申请号：US11175176
申请日：2005-07-07
申请人： Yoshitaka Akiba , Haruhisa Fujisawa , Tomomasa Nishikawa
发明人： Yoshitaka Akiba , Haruhisa Fujisawa , Tomomasa Nishikawa
IPC分类号： F02B71/00 , B25C1/08
CPC分类号： B25C1/123
摘要： A combustion type power tool having an arrangement avoiding direct striking of a drive shaft against a cylinder head when combustion pressure is exerted. A motor is disposed at the cylinder head and includes a motor body and a drive shaft extending in an axial direction and protruding into a combustion chamber. A fan is connected to the drive shaft to be rotatable within the combustion chamber. A buffer piece made from an elastic material is supported to the cylinder head. The buffer piece is movable relative to the cylinder head in a direction substantially perpendicular to the axial direction. The buffer piece is formed with a through-hole through which the drive shaft extends.
摘要翻译：一种燃烧式电动工具，其具有当施加燃烧压力时避免驱动轴直接撞击气缸盖的装置。电动机设置在气缸盖上，包括电动机主体和沿轴向延伸并突出到燃烧室中的驱动轴。风扇连接到驱动轴以在燃烧室内旋转。由弹性材料制成的缓冲件支撑在气缸盖上。缓冲件可以在与轴向大致垂直的方向上相对于气缸盖移动。缓冲片形成有驱动轴延伸穿过的通孔。

59. 发明申请

US20070034064A1 Dust-collecting unit and electric tool having the same 审中-公开
标题翻译：集尘单元和具有相同的电动工具
公开(公告)号：US20070034064A1
公开(公告)日：2007-02-15
申请号：US11502438
申请日：2006-08-11
申请人： Tomomasa Nishikawa , Kenichi Matsunaga
发明人： Tomomasa Nishikawa , Kenichi Matsunaga
IPC分类号： B26D7/06
CPC分类号： B23D59/006 , B23Q11/0071 , Y10T83/207
摘要： The present invention provides a dust collection unit usable with an electric tool having an electric motor, an end tool driven by the electric motor, and a cover partially covering the end tool and having a residue discharge port. The dust collection unit is detachably communicable with the residue discharge port. The dust collection unit has a main casing, lid means, and a handle. The main casing is configured to accommodate dust and residues therein. The main casing has an opening. The lid means opens and closes the opening. The handle is provided in proximity to the lid means on the main casing.
摘要翻译：本发明提供了一种可用于具有电动马达的电动工具，由电动机驱动的端部工具以及部分地覆盖端部工具并具有残渣排出口的盖的集尘装置。集尘单元与残渣排出口可拆卸地连接。集尘单元具有主壳体，盖装置和手柄。主壳体配置为容纳灰尘和残留物。主壳体有开口。盖装置打开和关闭开口。手柄设置在主壳体上的盖装置附近。

60. 发明申请

US20060225676A1 Combustion type power tool having fin for effectively cooling cylinder 有权
公开(公告)号：US20060225676A1
公开(公告)日：2006-10-12
申请号：US11448757
申请日：2006-06-08
申请人： Shoichi Hirai , Yoshitaka Akiba , Tomomasa Nishikawa
发明人： Shoichi Hirai , Yoshitaka Akiba , Tomomasa Nishikawa
IPC分类号： F02B71/00 , B25C1/14 , B25C5/02
CPC分类号： B25C1/08
摘要： A combustion-type power tool includes a housing having one end, a head portion disposed at the one end, and a cylinder disposed in the housing, the cylinder being formed with an exhaust hole. A piston is reciprocally movable in the cylinder, and a combustion-chamber frame is disposed in the housing and movable in an axial direction of the cylinder, the combustion-chamber frame being abuttable on the head portion to provide a combustion chamber in cooperation with the head portion and the piston. A fin is disposed on the cylinder and has a portion extending in a direction slanted in relation to the axial direction and oriented toward the exhaust hole.

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