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    Cutting device
    3.
    发明专利
    Cutting device 有权

    公开(公告)号：JP2004066429A

    公开(公告)日：2004-03-04

    申请号：JP2002231848

    申请日：2002-08-08

    申请人： Ogura:Kk ,  株式会社オグラ

    发明人： KIMURA KIYOSHI

    IPC分类号： B23D15/04 ,  B23D15/14 ,  B23D29/00 ,  B23D35/00

    CPC分类号： B23D35/002 ,  B23D15/14 ,  B23D29/00 ,  Y10T83/929 ,  Y10T83/9447 ,  Y10T83/9478

    摘要： PROBLEM TO BE SOLVED: To provide a cutting device which can prevent destruction by cracking of a movable blade in the cutting device fitted with the flat movable blade having a cutting edge larger than the diameter of a cutter rod. SOLUTION: A portion 7b protruding outward from the large diameter section 40b of the cutter rod 4 of the movable blade 7 has a curved inner periphery 7c with the same radius as the outer periphery of the large diameter section 40b. The movable blade 7 is made to touch the plane section 40c of the cutter rod 4 and is mounted in a state of the curved inner peripheral face 7c being fitted into the outer periphery of the large diameter section 40b so that external force working on the protruding portion 7b is supported on the outer periphery of the cutter rod. COPYRIGHT: (C)2004,JPO

    4.
    发明专利
    失效

    公开(公告)号：JP2003514683A

    公开(公告)日：2003-04-22

    申请号：JP2001539639

    申请日：2000-11-23

    IPC分类号： B25D9/11 ,  B23B45/04 ,  B23D15/14 ,  B23Q5/00 ,  B25C1/14 ,  B25F5/00 ,  F41A21/06 ,  F42B5/03

    摘要： A power source ( 10 ) for providing energy to drive a mechanical device including a receiving chamber ( 11 ) and discrete propellant charges ( 23 ) for selective detonation whereby gases generated by the selective detonation expand into the receiving chamber ( 11 ) wherein said receiving chamber includes a reactive closure ( 15 ) which dynamically responds to pressure changes in the receiving chamber and wherein said power source further includes a linkage ( 16 ) associated with the reactive closure for transmitting energy from the dynamic response of the reactive closure to the mechanical device.

    7.
    实用新型
    失效

    公开(公告)号：JP2604253Y2

    公开(公告)日：2000-04-24

    申请号：JP5643093

    申请日：1993-10-19

    IPC分类号： B23D15/14 ,  B23D23/00

    HYDRAULIC SHEARING MACHINE
    8.
    发明专利
    HYDRAULIC SHEARING MACHINE 失效

    公开(公告)号：JPH11262813A

    公开(公告)日：1999-09-28

    申请号：JP7060998

    申请日：1998-03-19

    申请人： HITACHI KOKI KK

    发明人： YAMAUCHI TOSHIHIRO ,  YOKOYAMA MITSUMASA

    IPC分类号： B23D15/14

    摘要： PROBLEM TO BE SOLVED: To facilitate the transportation of a hydraulic shearing machine by reducing the floor space for the hydraulic shearing machine with a hydraulic pump unit detachably installed in a machine body. SOLUTION: A machine body 1 is provided with a lock hole 15 and a hydraulic pump unit 7 is provided with a lock pin 16 at a position corresponding to the lock hole 15, and this lock pin 16 is fitted in the lock hole 15 to integrate the hydraulic pump unit 7 with the machine body 1. The hydraulic pump unit 7 is liable to tilt backward because of a hydraulic hose 11 while a drive unit 10 is driving, but thanks to the lock pin 16 and the lock hole 15, the hydraulic pump unit 7 does not move. A hydraulic shearing machine can thus perform shearing stably.

    9.
    发明专利
    失效

    公开(公告)号：JPH10501182A

    公开(公告)日：1998-02-03

    申请号：JP50159296

    申请日：1995-06-08

    IPC分类号： B23D15/14

    HANDHELD HYDRAULIC TOOL
    10.
    发明专利
    HANDHELD HYDRAULIC TOOL 失效

    公开(公告)号：JPH09183012A

    公开(公告)日：1997-07-15

    申请号：JP34258295

    申请日：1995-12-28

    申请人： ROBUTETSUKUSU KK

    发明人： HAYASHI SOICHI ,  KITAGAWA MASAO

    IPC分类号： B23D15/14 ,  B23D29/00 ,  B25B25/00 ,  B25F5/00

    摘要： PROBLEM TO BE SOLVED: To provide a handheld hydraulic tool which does not machine workpieces that are essentially too thick to be machined and so can prevent failure, damage, or the like, by holding constant the interval between fixed and movable machine tools even when a head main body is turned and which allows easy assembly and maintenance. SOLUTION: In a handheld hydraulic tool, having a tool main body A with a held part 3 that is held by the operator, a head main body B turnably threaded into the tool main body A and having a fixed machine tool 35 attached thereto, and a piston C to which a movable machine tool 33 movable in the direction of the fixed machine tool 35 and machining workpieces between it and the fixed machine tool 35 is attached, a cylinder chamber 13 inside which the piston C slides is formed inside the head main body B, and the head main body B is provided with a stopping member 31 that stops the backward movement of the piston C in a direction in which it moves backward from the fixed machine tool 35.