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51. 发明专利

JP2005066822A Driving machine 审中-公开
标题翻译：驱动机
公开(公告)号：JP2005066822A
公开(公告)日：2005-03-17
申请号：JP2004322453
申请日：2004-11-05
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： ISHIZAWA SADANORI
IPC分类号： B25C7/00 , B25C1/04
摘要： PROBLEM TO BE SOLVED: To avoid a redriving when a push lever is pushed up first in a single drive by preventing a push lever and an arm plate provided movably on a trigger arm after driving from interfering with each other. SOLUTION: A trigger is pulled under the condition that the push lever side end of the arm plate provided movably to the trigger arm is pushed up by the push lever to raise the arm plate and push up a plunger with moving the arm plate to the side opposite to the push lever to actuate a trigger valve. The push lever is released from the pushing-up operation to lower the plunger to inactivate the trigger valve. The engagement part on the top face of the arm plate is engaged with the plunger or a member in the neighborhood of the plunger to prevent the arm plate from returning to the push lever side. Thus, the arm plate is prevented from getting into contact with the push lever. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了避免在通过在相互干扰的驱动之后通过防止在触发臂上可移动地设置的推杆和臂板在推动杆首先在单个驱动器中向上推动时避免重新起动。解决方案：在可移动地连接到触发臂的臂板的推杆侧端部被推杆向上推动的状态下拉动触发器，以升高臂板并且通过移动臂板向上推动柱塞到与推杆相对的一侧以启动触发阀。推杆从上推操作中释放，以降低柱塞以使触发阀失活。臂板顶面的接合部分与活塞或柱塞附近的部件接合，以防止臂板返回到推杆侧。因此，防止臂板与推杆接触。版权所有（C）2005，JPO＆NCIPI

52. 发明专利

JP2004353682A Opening/closing valve 有权
公开(公告)号：JP2004353682A
公开(公告)日：2004-12-16
申请号：JP2003148442
申请日：2003-05-26
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： ISHIZAWA SADANORI , HAMADA MASAO , ONO AKIRA
IPC分类号： F16K3/24 , B25C1/04 , F16K35/04
CPC分类号： B25C1/046
摘要： PROBLEM TO BE SOLVED: To provide an opening/closing valve having a positioning mechanism, free from the failure in sealing found when an elastic member can not follow the shape of a groove part as it is deformed, with respect to the opening/closing valve of the fluid such as compressed air, water and oil.
SOLUTION: (1) The elastic members such as O-rings used in the opening/closing valve are used in a state of independently having a sealing function or a positioning function, the elastic member for sealing is deformed with the same interference between a communicating state and a blocking state of the opening/closing valve, and the positioning of the opening/closing valve in communicating and blocking is performed by the elastic member for positioning, which is independently mounted. (2) In a case when the elastic member such as the O ring used in the opening/closing valve is commonly used for sealing and positioning, the seal member used also for positioning by engagement of the seal and a groove at an opening/closing operation element blocking position, has the interference smaller than that at the blocking position, when it is located on a communicating position.
COPYRIGHT: (C)2005,JPO&NCIPI

53. 发明专利

JP2004243521A Nailing machine 有权
标题翻译：指甲机
公开(公告)号：JP2004243521A
公开(公告)日：2004-09-02
申请号：JP2004120026
申请日：2004-04-15
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： ISHIZAWA SADANORI , AOKI MASANORI , KITAGAWA HIROKI
IPC分类号： B25C1/00
摘要： PROBLEM TO BE SOLVED: To stably send a nail from a magazine to a nail passage even with a nailing machine commonly used with a wire connecting nail or a plastic sheet connecting nail.
SOLUTION: A nail feed unit is provided with a tail cover 6 that has the first guide face to guide a nail shaft part 20 of a nail from the magazine 36 to the nail passage that connects with an injection port 10 and a nail head guide 16 to support the bottom face of a nail head for guiding the nail head along the first guide face and a nail guide having the second guide face to form the nail passage facing the tail cover. The face of the nail head guide that supports the bottom face of the nail head is formed so that the nail guide side becomes higher than the first guide face side.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：即使使用通常用于连接钉子的连接钉或连接钉子的塑料片的钉子机，也可以将钉子从钉仓稳定地发送到钉子通道。解决方案：钉子进给单元设置有尾盖6，尾盖6具有第一引导面，用于将钉子的钉轴部分20从钉仓36引导到与注射口10和钉子连接的指甲通道头部引导件16，用于支撑用于沿着第一引导面引导钉头的钉头的底面，以及具有第二引导面的钉子引导件，以形成面向尾盖的指甲通道。形成支撑钉头底面的钉头引导件的表面，使得指甲引导侧变得高于第一引导面侧。版权所有（C）2004，JPO＆NCIPI

54. 发明专利

JP2004237445A Pneumatic nailing machine 有权
公开(公告)号：JP2004237445A
公开(公告)日：2004-08-26
申请号：JP2004119922
申请日：2004-04-15
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： ISHIZAWA SADANORI , NAKANO YOSHIHIRO
IPC分类号： B25C1/04
CPC分类号： B25C1/046
摘要： PROBLEM TO BE SOLVED: To provide a pneumatic nailing machine which is light in weight, compact in size, and low in exhaust noise.
SOLUTION: The pneumatic nailing machine has a cylinder, a piston slidably arranged in the cylinder, a driver blade formed in one body with the piston, a handle formed so as to extend in a perpendicular direction to a peripheral surface of the cylinder, an accumulator arranged on the periphery of the cylinder, for storing therein compressed air, and a head valve arranged on an upper portion of the cylinder, for communicating with part of the interior of the cylinder and the accumulator or the atmosphere. According to the pneumatic nailing machine, a discharge passage communicating with part of the interior of the cylinder and the atmosphere has an expansion chamber which is arranged in the handle in a longitudinal direction.
COPYRIGHT: (C)2004,JPO&NCIPI

55. 发明专利

JP2004001136A Nailing machine with air duster 有权
公开(公告)号：JP2004001136A
公开(公告)日：2004-01-08
申请号：JP2002160101
申请日：2002-05-31
申请人： Hitachi Koki Co Ltd , 日立工機株式会社
发明人： ISHIZAWA SADANORI , NAKANO YOSHIHIRO
IPC分类号： B27F7/09 , B25C1/04 , B25C7/00
CPC分类号： B25C1/047
摘要： PROBLEM TO BE SOLVED: To provide a nailing machine with an air duster for carrying out the nailing work and the scavenging work in a construction site, supplies the pressure for the nailing work and the pressure for the scavenging work from the same source under different pressures, and prevents the excessive scatter of powder dust and wooden trash by making the pressure of the compressed air discharged from a nozzle 26 lower than the pressure of the compressed air within an accumulator 3.
SOLUTION: A pressure reducing mechanism for reducing the pressure of compressed air, such as a pressure reducing valve 24, etc., is provided between the accumulator 3 and the nozzle 26. By this method, the pressure of the compressed air discharged from the nozzle 26 is reduced regardless of the pressure within the accumulator 3.
COPYRIGHT: (C)2004,JPO

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