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1. 发明授权

US09021921B2 Torque wrench 有权
标题翻译：扭力扳手
公开(公告)号：US09021921B2
公开(公告)日：2015-05-05
申请号：US13138732
申请日：2010-02-16
申请人： Tomohiro Ogata , Koichi Shimura , Yuji Kato , Shozo Aikawa , Hiroshi Tsuji
发明人： Tomohiro Ogata , Koichi Shimura , Yuji Kato , Shozo Aikawa , Hiroshi Tsuji
IPC分类号： B25B13/00 , B25B23/14 , B25B23/142
CPC分类号： B25B23/1427 , B25B13/00 , B25B13/465 , B25B23/14 , B25B23/141
摘要： A torque wrench equipped with a cam-type torque detection mechanism is provided which is capable of detecting a torque with high accuracy, providing a non-unusual-feeling of handle operation after torque has been detected, and enabling tightening of fastened members such as bolts with safety. In a torque wrench equipped with the cam-type torque detection mechanism, a cam portion 27 formed on the outer circumference of a tubular cam 22 includes: a static engagement cam surface 27a with which a roller member 18 in a static status engages in a non-operated status; a gradually increasing torque peak cam surface 27b which is connected to the static engagement cam surface 27a and with which the roller member 18 is brought into contact while moving to thereby gradually increase the torque peak value; a cam top surface 27c forming the cam top portion continued to the gradually increasing torque peak cam surface 27b; a gradually decreasing torque cam surface 27d for gradually decreasing a plus torque to the roller member 18 to zero; and a minus torque cam surface 27e for imparting a minus torque to the roller member 18 having passed over the gradually decreasing torque cam surface 27d.
摘要翻译：本发明提供一种具有凸轮式转矩检测机构的扭矩扳手，其能够高精度地检测转矩，在检测到扭矩后提供非异常手感操作，并且能够紧固诸如螺栓的紧固构件安全。在装配有凸轮式转矩检测机构的扭矩扳手中，形成在管状凸轮22的外周上的凸轮部分27包括：静态接合凸轮表面27a，静态状态的辊构件18通过该静态接合凸轮表面27a 操作状态; 逐渐增加的扭矩峰值凸轮表面27b，其连接到静态接合凸轮表面27a，并且使滚子构件18在移动时接触，从而逐渐增加扭矩峰值; 形成凸轮顶部的凸轮顶面27c与逐渐增加的转矩峰值凸轮表面27b相连; 逐渐减小的转矩凸轮表面27d，用于逐渐减小到辊构件18的加力到零; 以及负转矩凸轮面27e，用于向经过逐渐减小的转矩凸轮面27d的辊部件18赋予负转矩。

2. 发明申请

US20120011971A1 TORQUE WRENCH 有权
标题翻译：扭矩扳手
公开(公告)号：US20120011971A1
公开(公告)日：2012-01-19
申请号：US13138732
申请日：2010-02-16
申请人： Tomohiro Ogata , Koichi Shimura , Yuji Kato , Shozo Aikawa , Hiroshi Tsuji
发明人： Tomohiro Ogata , Koichi Shimura , Yuji Kato , Shozo Aikawa , Hiroshi Tsuji
IPC分类号： B25B23/143
CPC分类号： B25B23/1427 , B25B13/00 , B25B13/465 , B25B23/14 , B25B23/141
摘要： A torque wrench equipped with a cam-type torque detection mechanism is provided which is capable of detecting a torque with high accuracy, providing a non-unusual-feeling of handle operation after torque has been detected, and enabling tightening of fastened members such as bolts with safety. In a torque wrench equipped with the cam-type torque detection mechanism, a cam portion 27 formed on the outer circumference of a tubular cam 22 includes: a static engagement cam surface 27a with which a roller member 18 in a static status engages in a non-operated status; a gradually increasing torque peak cam surface 27b which is connected to the static engagement cam surface 27a and with which the roller member 18 is brought into contact while moving to thereby gradually increase the torque peak value; a cam top surface 27c forming the cam top portion continued to the gradually increasing torque peak cam surface 27b; a gradually decreasing torque cam surface 27d for gradually decreasing a plus torque to the roller member 18 to zero; and a minus torque cam surface 27e for imparting a minus torque to the roller member 18 having passed over the gradually decreasing torque cam surface 27d.
摘要翻译：本发明提供一种具有凸轮式转矩检测机构的扭矩扳手，其能够高精度地检测转矩，在检测到扭矩后提供非异常手感操作，并且能够紧固诸如螺栓的紧固构件安全。在装配有凸轮式转矩检测机构的扭矩扳手中，形成在管状凸轮22的外周上的凸轮部分27包括：静态接合凸轮表面27a，静态状态的辊构件18通过该静态接合凸轮表面27a 操作状态; 逐渐增加的扭矩峰值凸轮表面27b，其连接到静态接合凸轮表面27a，并且使滚子构件18在移动时接触，从而逐渐增加扭矩峰值; 形成凸轮顶部的凸轮顶面27c与逐渐增加的转矩峰值凸轮表面27b相连; 逐渐减小的转矩凸轮表面27d，用于逐渐减小到辊构件18的加力到零; 以及负转矩凸轮面27e，用于向经过逐渐减小的转矩凸轮面27d的辊部件18赋予负转矩。

3. 发明授权

US08443702B2 Torque wrench 有权
标题翻译：扭力扳手
公开(公告)号：US08443702B2
公开(公告)日：2013-05-21
申请号：US12737539
申请日：2010-02-16
申请人： Kyo Kan , Shozo Aikawa , Tomohiro Ogata , Naoya Masuda , Hiroshi Tsuji
发明人： Kyo Kan , Shozo Aikawa , Tomohiro Ogata , Naoya Masuda , Hiroshi Tsuji
IPC分类号： B25B23/14
CPC分类号： B25B23/1427 , B25B13/465
摘要： To make improvements in torque wrenches with a torque limiter that uses a cam mechanism and to provide a torque wrench that realizes more stable operation and is capable of highly precise tightening. In a torque wrench with a torque limiter that uses a cam mechanism, a solid columnar roller member 14 is engaged with a cam part 7 of a cam shaft 8 such that it is rotatably supported by a roller support lever member 12 mounted in a head portion 2 such as to be rotatable around a support shaft 16 and such that it is pressed against the cam part 7 by a spring force transmitting rod 18 biased by a torque setting spring. The roller support lever member 12 is configured such that the distance r2 from the support shaft 16 to a point of application of force of the spring force transmitting rod 18 is longer than the distance r1 from the support shaft 16 to the roller member 14.
摘要翻译：通过使用凸轮机构的扭矩限制器来改进扭矩扳手，并提供扭矩扳手，实现更稳定的操作并能够高度精确的紧固。在具有使用凸轮机构的扭矩限制器的扭矩扳手中，实心圆柱滚子构件14与凸轮轴8的凸轮部7接合，使得其由安装在头部的滚子支撑杆构件12可旋转地支撑 2可以围绕支撑轴16旋转，并且通过由转矩调节弹簧偏压的弹簧力传递杆18将其压靠在凸轮部分7上。辊支撑杆构件12构造成使得从支撑轴16到弹簧力传递杆18的作用力的距离r2比从支撑轴16到辊构件14的距离r1长。

4. 发明申请

US20110154961A1 TORQUE WRENCH 有权
标题翻译：扭矩扳手
公开(公告)号：US20110154961A1
公开(公告)日：2011-06-30
申请号：US12737539
申请日：2010-02-16
申请人： Kyo Kan , Shozo Aikawa , Tomohiro Ogata , Naoya Masuda , Hiroshi Tsuji
发明人： Kyo Kan , Shozo Aikawa , Tomohiro Ogata , Naoya Masuda , Hiroshi Tsuji
IPC分类号： B25B23/143
CPC分类号： B25B23/1427 , B25B13/465
摘要： To make improvements in torque wrenches with a torque limiter that uses a cam mechanism and to provide a torque wrench that realizes more stable operation and is capable of highly precise tightening. In a torque wrench with a torque limiter that uses a cam mechanism, a solid columnar roller member 14 is engaged with a cam part 7 of a cam shaft 8 such that it is rotatably supported by a roller support lever member 12 mounted in a head portion 2 such as to be rotatable around a support shaft 16 and such that it is pressed against the cam part 7 by a spring force transmitting rod 18 biased by a torque setting spring. The roller support lever member 12 is configured such that the distance r2 from the support shaft 16 to a point of application of force of the spring force transmitting rod 18 is longer than the distance r1 from the support shaft 16 to the roller member 14.
摘要翻译：通过使用凸轮机构的扭矩限制器来改进扭矩扳手，并提供扭矩扳手，实现更稳定的操作并能够高度精确的紧固。在具有使用凸轮机构的扭矩限制器的扭矩扳手中，实心圆柱滚子构件14与凸轮轴8的凸轮部7接合，使得其由安装在头部的滚子支撑杆构件12可旋转地支撑 2可以围绕支撑轴16旋转，并且通过由转矩调节弹簧偏压的弹簧力传递杆18将其压靠在凸轮部分7上。辊支撑杆构件12构造成使得从支撑轴16到弹簧力传递杆18的作用力的距离r2比从支撑轴16到辊构件14的距离r1长。

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