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1. 发明专利

JPH0811016A SCREW HOLE CLEANING MACHINE 失效
公开(公告)号：JPH0811016A
公开(公告)日：1996-01-16
申请号：JP14935794
申请日：1994-06-30
申请人： KANDEN KOGYO KK , SHINEI SHOTEN KK , YOKOTA IND
发明人： MUKAI SHIGEKI , MIZUTANI KOICHI , KUMAGAI SUSUMU , MATSUO MITSUYASU , MURAI KEIJI
IPC分类号： B23G11/00
摘要： PURPOSE:To provide a screw hole cleaning machine capable of surely cleaning a screw hole in a short time, and preventing the chips generated by the cleaning from being left in the screw hole. CONSTITUTION:A screw hole cleaning machine is provided with a motor 1, a brush 2 to be rotated by the motor 1, a suction cover 4 to demarcate a suction space 3 around the brush 2, and a collecting means 5 to suck and collect the chips generated in the cleaning in the suction cover 4. This constitution realizes the collection from the suction space 3 outside the suction cover 4.

2. 发明专利

JPH06155301A DUST COLLECTING TYPE GRINDER 失效
公开(公告)号：JPH06155301A
公开(公告)日：1994-06-03
申请号：JP2019392
申请日：1992-02-05
申请人： KANDEN KOGYO KK , SHINEI SHOTEN KK , YOKOTA IND
发明人： YOSHIDA TOSHIO , TATSU HIROKI , OKADA NAOKI , DEGUCHI MASAYUKI , MATSUO MITSUYASU , MURAI KEIJI
IPC分类号： B24B55/05 , B24B55/10
摘要： PURPOSE:To improve work environment by way of certainly sucking dust produced due to polishing by surrounding a periphery of a circular mounting body with a polishing member on it having an internal cavity with a dust protective cover and by connecting a vacuum pipe to the dust protective cover. CONSTITUTION:When air is made to flow into an air supply passage 7 by way of opening a ball valve by operating a throttle lever 8, air delivered to a motor case 3 is blasted to a vane 10, and a rotor 11 is rotated at high speed. Rotation of this rotor 11 is decelerated by a decelerating mechanism 15 and transmitted to a circular mounting body 18, and as a polishing member 17 is rotated, polishing work of a work is carried out on a head end surface of the polishing member 17. Dust produced due to polishing is gathered in an internal cavity 7a of the polishing member 17, sucked by a vacuum pipe of an aspirator installed on a dust protective cover 20 and collected by a dust collecting machine. Additionally, at this time, by dust collecting vanes 23, dust is more strongly sucked.

3. 发明专利

JPH05212676A SUCTION DEVICE OF DUST COLLECTING AIR GRINDER 失效
公开(公告)号：JPH05212676A
公开(公告)日：1993-08-24
申请号：JP2019292
申请日：1992-02-05
申请人： KANDEN KOGYO KK , SHINEI SHOTEN KK , YOKOTA IND
发明人： YOSHIDA TOSHIO , TATSU HIROKI , OKADA NAOKI , DEGUCHI MASAYUKI , MATSUO MITSUYASU , MURAI KEIJI
IPC分类号： B24B55/10 , B24D13/14
摘要： PURPOSE:To suck dust produced by polishing so efficiently by installing an inflow poty of supply air, being interconnected to a side circumferential space, in a holding pipe and another inflow port of exhaust air being interconnected to another side circumferential space at the lower part of a suction pipe, respectively. CONSTITUTION:Air taken into an air supply passage passes through this passage and fed to a motor case and, after rotating a rotor, it is exhausted to a side circumferential space 25a of a suction pipe at a suction device 12 from an exhaust pipe 14 of the motor case. In succession, air charged to a side circumferential space 24a of a holding pipe 24 at this suction device 12 produces its upward flow by a taper surface 27 of a lower end 26a of an auxiliary suction pipe 26 when passing a clearance 28, while the air exhausted to the side circumferential space 25a of the suction pipe 25 at the suction device 12 draws the air of the auxiliary suction pipe 26 into the suction pipe 25 when it flows into this suction pipe 25 from the space 25a, so that suction force is produced there consequently.

4. 发明专利

JP2572946B2 失效
公开(公告)号：JP2572946B2
公开(公告)日：1997-01-16
申请号：JP14935794
申请日：1994-06-30
申请人： KANDEN KOGYO KK , SHINEI KK , YOKOTA KOGYO KK
发明人： MUKAI SHIGEKI , MIZUTANI KOICHI , KUMAGAI SUSUMU , MATSUO MITSUYASU , MURAI KEIJI
IPC分类号： B23G11/00

5. 发明专利

JP2520814B2 失效
公开(公告)号：JP2520814B2
公开(公告)日：1996-07-31
申请号：JP2019392
申请日：1992-02-05
申请人： KANDEN KOGYO KK , SHINEI SHOTEN JUGEN , YOKOTA KOGYO KK
发明人： YOSHIDA TOSHIO , TATSU HIROKI , OKADA NAOKI , DEGUCHI MASAYUKI , MATSUO MITSUYASU , MURAI KEIJI
IPC分类号： B24B55/05 , B24B55/10

6. 发明专利

JP2520813B2 失效
公开(公告)号：JP2520813B2
公开(公告)日：1996-07-31
申请号：JP2019292
申请日：1992-02-05
申请人： KANDEN KOGYO KK , SHINEI SHOTEN JUGEN , YOKOTA KOGYO KK
发明人： YOSHIDA TOSHIO , TATSU HIROKI , OKADA NAOKI , DEGUCHI MASAYUKI , MATSUO MITSUYASU , MURAI KEIJI
IPC分类号： B24B55/10 , B24D13/14

7. 发明专利

JPH06328368A IMPACT CLAMPING TOOL 失效
公开(公告)号：JPH06328368A
公开(公告)日：1994-11-29
申请号：JP11826093
申请日：1993-05-20
申请人： YOKOTA IND
发明人： MURAI KEIJI
IPC分类号： B25B21/02 , B25B23/145
摘要： PURPOSE:To lessen the number of parts to be newly provided and to lower cost by connecting an air motor stop device to stop supplying air to an air motor when it becomes specified fastening torque to a rear end of a rotor of the air motor. CONSTITUTION:When reaction force gradually increases, a revolving angle of a control weight 6 against a control body 5 also increases in proportion to it. When fastening torque reaches set torque of a spring and the control weight 6 comes to revolve to a specified angle, a control pin 8 moves to the left side. Then, a control rod 9 moves backwards along a slope of the control pin 8. Thereafter a steel ball 12 engaged with a valve element 15 enters a small diametrical part 9a of the control rod 9 and engagement with the valve 15 is released. Then, the valve element 15 pushed by air pressure arriving at a flow passage 13a through a throttle lever and the spring 20, removes to the side of a valve seat 16 and closes a control valve 11.

8. 发明专利

JPH0631554A HOG-RINGER FOR ROBOT 失效
公开(公告)号：JPH0631554A
公开(公告)日：1994-02-08
申请号：JP19408192
申请日：1992-07-21
申请人： TOYOTA AUTO BODY CO LTD , YOKOTA IND
发明人： KATO IWAO , ISHIZU TAKAYASU , MURAI KEIJI
IPC分类号： B23P19/02 , B25J13/08
摘要： PURPOSE:To detect the anomaly of a hog-ringer by installing a photoelectric switch for detecting the reflection light or transmission light of the projected light towards the C-shaped ring nipped at the top edge of a yoke. CONSTITUTION:An approach switch S1 which is operated by the approach of a weak magnetic body which is constituted so that a piston 13 consisting of a ferromagnetic body moves in reciprocation is installed, and a photoelectric switch S2 for detecting the reflection light or the transmission light at the projected light is installed towards a C-shaped ring 17 which is installed on a magazine 20. Further, a photoelectrical switch S3 for detecting the reflection light or transmission light of the projected light is installed towards the C-shaped ring 17 which is nipped at the top edge of a yoke 8. Accordingly, the remaining quantity of the C-shaped rings 17 installed on a magazine 20 and the fact that the C-shaped ring 17 is nipped at the top edge of the yoke 8, or the anomaly of a hog ringer can be detected.

9. 发明专利

JPH11333747A DETECTING METHOD FOR DETERIORATION OF IMPULSE WRENCH 失效
公开(公告)号：JPH11333747A
公开(公告)日：1999-12-07
申请号：JP14369898
申请日：1998-05-26
申请人： YOKOTA IND
发明人： MURAI KEIJI , FUKADA AKIRA
IPC分类号： B25B23/02 , B25B23/14
摘要： PROBLEM TO BE SOLVED: To accurately judge that an impulse wrench deteriorates, by measuring a time change of a torque value of a oil pressure pulse, integrating it, calculating the fastening energy amount, judging that fastening capabilities of the impulse wrench is decreased when the fastening energy amount is less than a set value, and issuing a warning of deterioration. SOLUTION: A pulse output integral circuit 25 takes a change of voltage of a clearance sensor 11, changed by generation of a oil pressure pulse as a time change, and the amount of fastening energy to be generated by impact is calculated by integration. A pulse output integral circuit 26 integrates an integral value calculated by the pulse output integral circuit 25, and the total fastening energy amount after pulling of a throttle lever is calculated. A setting and inputting comparing circuit 27 generates a signal by comparing the integral value integrated by the pulse output integral circuit 26 with a set value. Therefore, decrease in fastening capabilities of the impulse wrench can be accurately detected without depending on man's senses.

10. 发明专利

JPH0448588B2 失效
公开(公告)号：JPH0448588B2
公开(公告)日：1992-08-07
申请号：JP22688586
申请日：1986-09-24
申请人： YOKOTA IND
发明人： SUGIMOTO TADAKATSU , WADA EIICHI , SAITO SHIRO , MURAI KEIJI
IPC分类号： B25B21/02

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