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21. 发明专利

JPS61219582A ELECTRIC NAILER 失效
公开(公告)号：JPS61219582A
公开(公告)日：1986-09-29
申请号：JP6278685
申请日：1985-03-26
申请人： MAKITA ELECTRIC WORKS LTD
发明人： FUSHIYA FUSAO , IWATSUKI TAKAO , KUBOTA YOSHIYUKI
IPC分类号： B25C1/06

22. 发明专利

JPS61147793A CONTROLLER BY BATTERY DRIVE FOR MOTOR DRIVEN TOOL 失效
公开(公告)号：JPS61147793A
公开(公告)日：1986-07-05
申请号：JP26773384
申请日：1984-12-18
申请人： MAKITA ELECTRIC WORKS LTD
发明人： FUSHIYA FUSAO , IWATSUKI TAKAO , HATA KATSUHIKO
IPC分类号： H02P7/29
摘要： PURPOSE:To operate in an arbitrary torque/rotating speed characteristic set in advance by controlling an MOSFET by the output of a microprocessor which inputs the outputs of a current detecting resistor, a rotating speed setter and a torque setter. CONSTITUTION:A microprocessor 17 inputs the outputs from a current detecting resistor 14, a rotating speed setter 15 and a torque setter 16, and applied an output corresponding to the preset torque/rotating speed characteristic to the gate of an MOSFET13. Thus, suitable torque/rotating speed characteristic adapted for the request of a load can be readily obtained.

23. 发明专利

JPS61147735A ELECTRICALLY OPERATED TOOL 失效
公开(公告)号：JPS61147735A
公开(公告)日：1986-07-05
申请号：JP26773484
申请日：1984-12-18
申请人： MAKITA ELECTRIC WORKS LTD
发明人： FUSHIYA FUSAO , IWATSUKI TAKAO , HATA KATSUHIKO , SUZUKI KOICHI , ISOTANI NORIO , KUBOTA YOSHIYUKI , HARA MAKOTO
IPC分类号： H02H7/093 , H02P7/06

24. 发明专利

JPS5955701A Automatic lifting plane 失效
标题翻译：自动升降平台
公开(公告)号：JPS5955701A
公开(公告)日：1984-03-30
申请号：JP16724082
申请日：1982-09-24
申请人： Makita Electric Works Ltd
发明人： FUSHIYA FUSAO , IWATSUKI TAKAO , KUBOTA YOSHIYUKI
IPC分类号： B27C1/04 , B27C1/12

25. 发明专利

JPS573596A PHASE-CONTROLLED ELECTRICALLY-DRIVEN TOOL 失效
公开(公告)号：JPS573596A
公开(公告)日：1982-01-09
申请号：JP7464780
申请日：1980-06-03
申请人： MAKITA ELECTRIC WORKS LTD
发明人： IWATSUKI TAKAO
IPC分类号： B25B23/151 , B25B23/14 , G05D3/00 , H02P23/00 , H02P25/04 , H02P25/10 , H02P27/02 , H02P29/00
摘要： PURPOSE:To enable an electrically-driven tool to be used in areas having different supply frequencies from each other, by changing the clock pulse frequency of the computer which phase-controls the electric motor operating characteristics of an electrically-driven tool in proportion to the change in the supply frequency. CONSTITUTION:To a microcomputer MC6, a DC power source is supplied from a constant-voltage power circuit 5, and the output corresponding to the number of revolutions of an electric motor M1 is inputted 7 from a revolution number detector 4, as well as the synchronizing output is inputted 7 from a supply frequency detecting circuit 8. Moreover, the first and second reference time generators CPG1 and CPG2 which generate a clock pulse of, e.g. 2MHz for 50Hz and a clock pulse of, e.g. 2.4MHz for 60Hz respectively are connected to the microcomputer MC6 through a change-over switch SW2. On the other hand, the output 9 of the MC6 controls transistors Tr1 and Tr2 and a trigger circuit 10. Thereby, in either case of 50Hz or 60Hz, the number of clock pulses per half cycle of the supply frequency is the same (20000). Therefore, the same phase control can be performed according to the same program.

26. 发明专利

JPS5493274A NAILING METHOD IN MOTOR NAILING MACHINE 失效
公开(公告)号：JPS5493274A
公开(公告)日：1979-07-24
申请号：JP16043977
申请日：1977-12-29
申请人： MAKITA ELECTRIC WORKS LTD
发明人： FUKUYA FUSAO , MIZUMOTO AKIRA , IWATSUKI TAKAO
IPC分类号： B25C1/06

27. 发明专利

JPS5384277A ROTARY FREQUENCY STABILIZING CIRCUIT IN MOTOR TOOL 失效
公开(公告)号：JPS5384277A
公开(公告)日：1978-07-25
申请号：JP16065976
申请日：1976-12-29
申请人： MAKITA ELECTRIC WORKS LTD
发明人： IWATSUKI TAKAO , SUZUKI KOUICHI
IPC分类号： H02P7/295 , B23B45/00 , B23D47/00 , B27C1/10 , B27G19/04

28. 发明专利

JPS5351466A CONTROL CIRCUIT FOR ELECTROMAGNETIC SOLENOID 失效
公开(公告)号：JPS5351466A
公开(公告)日：1978-05-10
申请号：JP12698176
申请日：1976-10-21
申请人： MAKITA ELECTRIC WORKS LTD
发明人： SUZUKI KOUICHI , IWATSUKI TAKAO , KANEKO YUKIO
IPC分类号： H01F7/18

29. 发明专利

JPS5281675A ELECTROMAGNETIC SOLENOID CONTROL CIRCUIT IN MOTOR TOOL DRIVEN BY ELECTROLYTIC CONDENSER 失效
公开(公告)号：JPS5281675A
公开(公告)日：1977-07-08
申请号：JP15598975
申请日：1975-12-29
申请人： MAKITA ELECTRIC WORKS LTD
发明人： IWATSUKI TAKAO , SUZUKI KOUICHI , KANEKO YUKIO
IPC分类号： B25C1/06 , B06B1/04

30. 发明专利

JPH0435970B2 失效
公开(公告)号：JPH0435970B2
公开(公告)日：1992-06-12
申请号：JP26773484
申请日：1984-12-18
申请人： MAKITA ELECTRIC WORKS LTD
发明人： FUSHA FUSAO , IWATSUKI TAKAO , HATA KATSUHIKO , SUZUKI KOICHI , ISOTANI NORIO , KUBOTA YOSHUKI , HARA MAKOTO
IPC分类号： H02H7/093 , H02P7/06

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