专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

81. 发明专利

JPH04256583A MOTOR ROTATING TOOL EQUIPPING TORQUE DETECTION MECHANISM 失效
公开(公告)号：JPH04256583A
公开(公告)日：1992-09-11
申请号：JP1853291
申请日：1991-02-12
申请人： TOTSU KATSUYUKI
发明人： TOTSU KATSUYUKI
IPC分类号： B25B21/00 , B25B23/14 , B25B23/145 , B25B23/151 , B25B23/157
摘要： PURPOSE:To achieve the light-weighing of the member composing a clutch mechanism and the reduction of a friction resistance, and to set or detect a torque value of a high accuracy with a simple structure. in a motor rotating tool. CONSTITUTION:A planetary speed reducing mechanism 16 is made in a two stage structure. The planetary gear 30 of a 1st stage planetary speed reducing mechanism 24 is meshed with the output shaft 14 of an electric motor. The planetary gear 38 of a 2nd stage planetary speed reducing mechanism 16 is meshed with a driven shaft 20 and also meshed with the 2nd internal gear 42 held freely rotatably at the internal part of a cylindrical casing 18. A clutch mechanism that a steel ball 52 is used is provided between this 2nd internal gear 42 and cylindrical casing 18. Also, one end of a rocking detection piece pivotally supported at the external part of the cylindrical casing is engaged with the clutch mechanism, the revolving displacement of the rocking detection piece accompanied by the clutch motion is electrically detected.

82. 实用新型

JPH0417330Y2 失效
公开(公告)号：JPH0417330Y2
公开(公告)日：1992-04-17
申请号：JP14349486
申请日：1986-09-19
IPC分类号： B25B21/00 , B25B23/14 , B25B23/145 , B25B23/157

83. 实用新型

JPH0438371U 失效
公开(公告)号：JPH0438371U
公开(公告)日：1992-03-31
申请号：JP7983190
申请日：1990-07-27
IPC分类号： B25B23/147 , B25B23/14 , B25B23/145 , B25B23/157

84. 实用新型

JPH0432870U 失效
公开(公告)号：JPH0432870U
公开(公告)日：1992-03-17
申请号：JP7246090
申请日：1990-07-06
IPC分类号： B23P19/06 , B25B23/157

85. 实用新型

JPH03130379U 失效
公开(公告)号：JPH03130379U
公开(公告)日：1991-12-27
申请号：JP3522190
申请日：1990-03-30
IPC分类号： B25B23/157 , B23Q5/58

86. 发明专利

JPH0355276B2 失效
公开(公告)号：JPH0355276B2
公开(公告)日：1991-08-22
申请号：JP2369284
申请日：1984-02-10
IPC分类号： B25B23/157

87. 实用新型

JPH0347774U 失效
公开(公告)号：JPH0347774U
公开(公告)日：1991-05-07
申请号：JP10803789
申请日：1989-09-14
IPC分类号： B25B23/147 , B25B23/14 , B25B23/145 , B25B23/157

88. 发明专利

JPH035952B2 失效
公开(公告)号：JPH035952B2
公开(公告)日：1991-01-28
申请号：JP1599286
申请日：1986-01-29
申请人： TSUEE UNTO EE FUAIN GMBH UNTO CO
发明人： BORUFUGANKU SHURAIBAA , MANFUREETO RUUTOBITSUHI , EEBARUTO HARUTO
IPC分类号： B25B23/14 , B25B23/155 , B25B23/157 , F16D43/202

89. 发明专利

JPH02131876A MOTOR SCREW DRIVER 失效
公开(公告)号：JPH02131876A
公开(公告)日：1990-05-21
申请号：JP28217088
申请日：1988-11-08
申请人： MAKITA ELECTRIC WORKS LTD
发明人： FUSHIYA FUSAO , KANEKO TETSUHISA
IPC分类号： B25B23/157 , B23P19/06 , B25B21/00
摘要： PURPOSE:To eliminate the noise of a metallic sound, etc., caused at the transmission cutting off time of the rotation of a clutch means as far as possible by providing a control groove part of the movable clutch claw part of a clutch means and a main shaft, and an engaging means engaging therewith. CONSTITUTION:A movable clutch is pushed to a fixed clutch part side against the elastic force of a 1st energizing means via an engaging means 16 located at the engaging position of a control groove part 15 having the pushing in the axial direction of a main shaft 8 and deviation in the width direction of a movable clutch part and a movable clutch claw part 11 is bitten with a fixed clutch part 10. Consequently, the rotation from a driving device is transmitted to the main shaft 8, the engaging means 16 of the control groove part 15 inside is moved to the engaging position of load time and thread fastening by a driver bit is performed.

90. 发明专利

JPH02124277A CONTROL CIRCUIT FOR MOTOR DRIVER 失效
公开(公告)号：JPH02124277A
公开(公告)日：1990-05-11
申请号：JP27393088
申请日：1988-10-28
申请人： HITACHI KOKI KK
发明人： ISHIZUKA TAKASHI , ADACHI SADAAKI
IPC分类号： B25B23/147 , B25B21/00 , B25B23/14 , B25B23/151 , B25B23/157
摘要： PURPOSE:To prevent the chattering of an operation switch generated just after completion of thread fastening and the breakdown of a circuit element, thread and tapped hole generated by maloperation by maintaining the state of the electrification to a motor being cut off even in case of the maloperation of an operation switch being caused, while a power generation braking current is flowed by the operation of a condenser. CONSTITUTION:Since a condenser A35 is provided in parallel to thyristor 30, 31, the holding current of the thyristor is maintained and not subjected to arc extinguishing by the discharging current of the condenser A35 even if an operation switch 24 causes chattering immediately after completion of the thread fastening. So, the formation of the short circuit loop of DC current not via a motor 1 can be checked and on the other hand the continuous fastening of the thread by the chattering can be checked. Also, a condenser B33 is provided on a switching circuit, so the electrification to the motor is continued to be cut off by the operation of the condenser B while a power generation braking current is flowed even in case of the maloperation of the operation switch after the arc distinguishing of the thyristor 30, 31 with the discharging current of the condenser A35 being lost.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式