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1. 发明专利

JPH09123017A BAND SAW ANGLE REGULATING MECHANISM OF HORIZONTAL BAND SAWING MACHINE 失效
公开(公告)号：JPH09123017A
公开(公告)日：1997-05-13
申请号：JP30386795
申请日：1995-10-27
申请人： HITACHI KOKI HARAMACHI CO LTD
发明人： OSAWA TAKAO
IPC分类号： B23D55/08 , B27B13/10
摘要： PROBLEM TO BE SOLVED: To facilitate setting of the band saw angle by fitting a band saw guide to a guide groove provided slidable in the lateral direction to a guide holder, slidable in the parallel direction to the vertical surface of a fixed vice. SOLUTION: A bolt 12 is loosened, a guide holder 11, a band saw guide 10, and a band saw 6 are together fluctuated in the lateral direction by making a pin 14 as the center, and the angle θ1 is set to make the tip of the band saw 6 rectangular to the upper surface 1a of a base 1. When the angle θ2 between the running direction of the band saw 6 and the vertical surface 7a of a fixed vice 7 is regulated, a bolt 13 is loosened, the band saw guide 10 is moved together with the band saw 6 in the lateral direction along a guide groove 11a provided to the guide holder 11, and the angle θ2 is set to make the band saw 6 rectangular to the vertical surface 7a.

2. 发明专利

JPH09267998A WIDE MATERIAL SUPPORTING DEVICE FOR LOAD LIFTER 失效
公开(公告)号：JPH09267998A
公开(公告)日：1997-10-14
申请号：JP10355296
申请日：1996-03-29
申请人： HITACHI KOKI HARAMACHI CO LTD
发明人： OSAWA TAKAO , OGAWA ITSUFUMI , YAMAUCHI TOSHIHIRO , INNAMI TATSUO
IPC分类号： B66F11/00
摘要： PROBLEM TO BE SOLVED: To enable the lifting/lowering of wide building material even in a narrow space, and reduce a heavy load to be applied to a worker by providing an auxiliary frame, which can be freely turned right and left so as to be opened and closed, in one end of a load receiving frame, and providing a means for locking the auxiliary means at the predetermined angle. SOLUTION: Engaging parts 12a formed in upper and lower of a right end of an auxiliary frame 12, which is formed smaller by one size than a load receiving frame 8, are engaged with a right side of the load receiving frame 8 by rotary supporting pins 11 so as to be horizontally turned around the rotary supporting pins 11. In the case where one end of a stay 13 is fixed to a connecting member 8b, which is provided at an intermediate part of the load receiving frame 8, by a fixing pin 14 and the other end of the stay 13 is locked with a lock hole, which is formed in an intermediate part 12b of the auxiliary frame 12, the auxiliary frame 12 is positioned at the predetermined angle against the load receiving frame 8. With this structure, a narrow space can be utilized for lifting and lowering a wide material.

3. 发明专利

JPH1170432A VICE MECHANISM 失效
公开(公告)号：JPH1170432A
公开(公告)日：1999-03-16
申请号：JP24978397
申请日：1997-08-29
申请人： HITACHI KOKI HARAMACHI CO LTD
发明人： OSAWA TAKAO
IPC分类号： B23Q3/06 , B23D55/04 , B25B1/10
摘要： PROBLEM TO BE SOLVED: To set a fastening force of a vice according to materials steplessly by providing a pin which is locked at an arbitrary position in the axial direction of a vice screw in a base and by providing a projecting part which is in contact with the pin, when a spring becomes a prescribed length, to the outer circumference of the vice screw. SOLUTION: When a fastening force of a moving vice 10 is adjusted according to materials, a screw 15 for fixing a pin 14 is loosened and the distance between the pin 14 and a projecting part, 11a provided in the outer circumference of a vice screw 11 is changed by taking-in/out of the pin 14. Namely, the length L3 of the spring 13, when the pin 14 is brought in contact with the projecting part, 11a provided in the vice crew 11, is changed so that the fastening force of the moving vice 10 is adjusted steplessly. When the length L3 of the spring 13 is large (the pressing force of the spring 13 becomes weak), the fastening force becomes small, and when the L3 is small (the pressing force of the spring 13 becomes strong), the fastening force of the moving vice 10 becomes large.

4. 发明专利

JPH08206905A LIGHTING SYSTEM FOR DRILLING MACHINE 失效
公开(公告)号：JPH08206905A
公开(公告)日：1996-08-13
申请号：JP3933395
申请日：1995-02-03
申请人： HITACHI KOKI HARAMACHI CO LTD
发明人： OSAWA TAKAO
IPC分类号： B23B47/00
摘要： PURPOSE: To facilitate a drilling work for a hole or a tapped hole by making illumination remove the shadow of a drilling tool in a drilling machine having an illuminating device. CONSTITUTION: Illuminating devices 8, 9 which can be turned at all angles in every direction are provided on both the sides of a head 5, and positioned right and left to the central axis of a drilling tool 6 attached to the head 5. By fitting the central axes 8a, 9a of light projected from the right and left illuminating devices 8, 9 to a punched hole 4a provided on a material 4, each light from the illuminating devices 8, 9 mutually extinguishes the shadow of the drilling tool 6, and always brightly illuminates the periphery of the punched hole 4a. In addition, in the case where the position of the material 4 varies, the angles of the central axes 8a, 9a of the light projected from each of the right and left illuminating devices 8, 9 are varied to fit the central axes 8a, 9a of the light to the punched hole 4a.

5. 发明专利

JPH10138043A VISE MECHANISM 失效
公开(公告)号：JPH10138043A
公开(公告)日：1998-05-26
申请号：JP31313996
申请日：1996-11-08
申请人： HITACHI KOKI HARAMACHI CO LTD
发明人： OSAWA TAKAO , OGAWA ITSUFUMI
IPC分类号： B23D55/04 , B23D47/04
摘要： PROBLEM TO BE SOLVED: To provide a vise mechanism in which a cut member can be easily and securely fastened with a constant fastening force. SOLUTION: Rotational driving force from a motor 21 is transmitted through a gear 11, a steel ball 16, and a ball holder 13 to a vice screw 10, and a movable vise 9 is moved. As it becomes a set rotational driving force or more, the steel ball 16 rolls up along a slope of a recessed groove part 12 of a gear 11 to stop transmitting the rotational driving force, and rotation of the vise screw 10 is stopped.

6. 发明专利

JPH0957533A VICE MECHANISM 失效
公开(公告)号：JPH0957533A
公开(公告)日：1997-03-04
申请号：JP22719695
申请日：1995-08-11
申请人： HITACHI KOKI HARAMACHI CO LTD
发明人： OSAWA TAKAO
IPC分类号： B23D55/04
摘要： PROBLEM TO BE SOLVED: To facilitate-and ensure the clamping work for a cut material when the cut material is clamped by a vice wherever the terminal of the cut material is positioned. SOLUTION: A rotation regulating member 17 by which the rotational angle of a moving vice 12 is regulated is threadedely fitted to the moving vice 12. In the case that a cut material 18 is clamped by the moving vice 12 and a fixed vice 14, the moving vice 12 is going to rotate in a right direction when the vice surface 12a of the moving vice 12 is brought in contact with the cut material 18, however, the rotation regulating member 17 is brought in contact with a vice screw 10 so that the rotational angle of the moving vice 12 is regulated.

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