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1. 发明申请

US20060102437A1 Brake system of working machine 审中-公开
标题翻译：工作机械制动系统
公开(公告)号：US20060102437A1
公开(公告)日：2006-05-18
申请号：US11250400
申请日：2005-10-17
申请人： Masato Nara , Hiroyuki Miyaki , Kenji Nakano
发明人： Masato Nara , Hiroyuki Miyaki , Kenji Nakano
IPC分类号： F16D51/00
CPC分类号： B27B17/083
摘要： A brake system of a working machine includes a brake connector for operatively connecting between a brake lever and a braking member, and an urging member that maintains the brake lever at a predetermined neutral position and also acts to return the brake lever to the predetermined neutral position when the brake lever is displaced from the predetermined neutral position. When the brake lever is located at the predetermined neutral position, the brake lever and the brake connector are out of contact with each other.
摘要翻译：一种工作机械的制动系统包括：用于可操作地连接在制动杆和制动构件之间的制动连接器，以及将制动杆保持在预定中立位置的推动构件，并且还用于将制动杆返回到预定的中立位置当制动杆从预定的中立位置移位时。当制动杆位于预定的中立位置时，制动杆和制动器连接器彼此不接触。

2. 发明授权

US06807954B2 Portable power working machine 失效
标题翻译：便携式电动工作机
公开(公告)号：US06807954B2
公开(公告)日：2004-10-26
申请号：US10404477
申请日：2003-04-01
申请人： Masato Nara , Fujio Kobayashi
发明人： Masato Nara , Fujio Kobayashi
IPC分类号： F02M3410
CPC分类号： F02B63/02
摘要： There is provided a portable power working machine, which is capable of rationally and effectively preventing the generation of the icing without giving rise to early clogging of air cleaner, the malfunction of a internal combustion engine and deterioration of performance. This working machine comprises a small air-cooled internal combustion engine which is mounted inside a main housing, a cooling fan disposed on one side of the main housing; a carburetor coupled to an upper portion of an intake port of the internal combustion engine; a clean air chamber disposed on an upstream side of the carburetor; an air cleaner cover coupled to the clean air chamber; a warm air introducing passageway for introducing, through a region adjacent to the intake port, part of air which has been sucked by the cooling fan for cooling the internal combustion engine into the air cleaner cover; and a shutter for and externally opening or closing the warm air introducing passageway as desired.
摘要翻译：提供一种便携式动力作业机，其能够合理有效地防止结冰的产生，而不会引起空气滤清器的早期堵塞，内燃机的故障和性能的劣化。该工作机包括安装在主壳体内的小型空气冷却内燃机，设置在主壳体一侧的冷却风扇; 化油器，其联接到所述内燃机的进气口的上部; 设置在化油器上游侧的清洁空气室; 联接到清洁空气室的空气滤清器盖; 用于通过与所述进气口相邻的区域引入已经被所述冷却风扇吸入以将所述内燃机冷却到所述空气滤清器盖中的一部分空气的暖空气引入通道; 以及用于根据需要外部打开或关闭暖风引入通道的快门。

3. 发明授权

US06643939B2 Chain saw with vibration-isolating devices 失效
标题翻译：链锯带防振装置
公开(公告)号：US06643939B2
公开(公告)日：2003-11-11
申请号：US10013519
申请日：2001-12-13
申请人： Katsuya Tajima , Hisato Ohsawa , Masato Nara
发明人： Katsuya Tajima , Hisato Ohsawa , Masato Nara
IPC分类号： B27B1702
CPC分类号： B27B17/0033
摘要： A chain saw with vibration-isolating devices, capable of providing a desirable vibration-isolating effect over a wide frequency range and reducing accidental deviation from a desired cutting line in a cutting operation. The chain saw includes a main body containing an engine, a frame member mounting a grip handle thereon, and at least two vibration-isolating devices each interposed between the main body and the frame member to support the main body with respect to the frame member. Two of the vibration-isolating devices are disposed spaced apart from each other in the longitudinal direction of the chain saw. Each of the two vibration-isolating devises includes a pair of first and second vibration=isolating members which are different in frequency range for providing a vibration-isolating effect. The two vibration-isolating devices are disposed such that the respective first or second vibration-isolating members are positioned in a first or second diagonal relationship with respect to one another.
摘要翻译：一种具有隔振装置的链锯，能够在宽的频率范围内提供期望的隔振效果，并减少在切割操作中与期望的切割线的意外偏差。链锯包括一个包含发动机的主体，一个在其上安装把手的框架件和至少两个隔离装置，每个隔离装置插入在主体和框架件之间，以支撑主体相对于框架件。两个防振装置在链锯的纵向上彼此间隔开设置。两个隔振装置中的每一个包括一对第一和第二振动=隔离构件，其在频率范围上不同以提供隔振效果。这两个防振装置被设置成使得相应的第一或第二防振构件相对于彼此以第一或第二对角关系定位。

4. 发明授权

US08225776B2 Power unit for portable chain saw 有权
标题翻译：便携式链锯电源单元
公开(公告)号：US08225776B2
公开(公告)日：2012-07-24
申请号：US12461656
申请日：2009-08-19
申请人： Kunimune Kawamura , Masato Nara
发明人： Kunimune Kawamura , Masato Nara
IPC分类号： F02P3/02 , F01P1/00
CPC分类号： B27B17/00
摘要： A power unit for portable chain saws wherein an ignition coil is placed at a position so as to increase both the compactness and the cooling efficiency of the power unit.A coil support on which the ignition coil is supported is formed integratedly with a crank case; adjacent to an open port; and on a part of an external periphery of the flywheel, said second part being not enclosed by the air-guiding passage.The coil support extends from the crank case along a side of a muffler and forms an insulating gap from the muffler.
摘要翻译：一种用于便携式链锯的动力单元，其中将点火线圈放置在一个位置上，以增加动力单元的紧凑性和冷却效率。点火线圈支撑的线圈支架与曲轴箱一体形成; 毗邻开放港口; 并且在所述飞轮的外周的一部分上，所述第二部分不被所述引导通道封闭。线圈支撑件从曲轴箱沿着消声器的一侧延伸，与消音器形成绝缘间隙。

5. 发明申请

US20100132679A1 Power unit for portable chain saw 有权
标题翻译：便携式链锯电源单元
公开(公告)号：US20100132679A1
公开(公告)日：2010-06-03
申请号：US12461656
申请日：2009-08-19
申请人： Kinumune Kawamura , Masato Nara
发明人： Kinumune Kawamura , Masato Nara
IPC分类号： F02P3/02
CPC分类号： B27B17/00
摘要： A power unit for portable chain saws wherein an ignition coil is placed at a position so as to increase both the compactness and the cooling efficiency of the power unit.A coil support on which the ignition coil is supported is formed integratedly with a crank case; adjacent to an open port; and on a part of an external periphery of the flywheel, said second part being not enclosed by the air-guiding passage.The coil support extends from the crank case along a side of a muffler and forms an insulating gap from the muffler.
摘要翻译：一种用于便携式链锯的动力单元，其中将点火线圈放置在一个位置上，以增加动力单元的紧凑性和冷却效率。点火线圈支撑的线圈支架与曲轴箱一体形成; 毗邻开放港口; 并且在所述飞轮的外周的一部分上，所述第二部分不被所述引导通道封闭。线圈支撑件从曲轴箱沿着消声器的一侧延伸，与消音器形成绝缘间隙。

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