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公开(公告)号：EP2017905A2
公开(公告)日：2009-01-21
申请号：EP08160022.3
申请日：2008-07-09
发明人： Negishi, Mahito , Yokomatsu, Takao , Meisho, Ken , Hata, Seiichi , Shimokohbe, Akira , Sun, Dongming , Wang, Sheng
IPC分类号： H01L41/09
摘要： A cylindrical piezoelectric element (3) is arranged to share an axis with a cylindrical vibrator (2) having different diameters at central and end portions to fix the vibrator (2) forming a gap (2a) at the central portion. Vibration voltages are applied across first electrodes (4a, 4b) on the piezoelectric element (3) and the vibrator (2), namely, a second electrode, to vibrate the vibrator (2) and bring a wave front of a traveling wave into contact with a tubular member (1), i.e., a supporting member fitted to the vibrator (2). Friction at a contact portion of the vibrator (2) moves a mover including the vibrator (2) and the piezoelectric element (3) in an axial direction of the tubular member (1). By amplifying the vibration amplitude using the vibrator (2) provided separately from the piezoelectric element (3), a small actuator capable of performing high-speed driving is realized.
摘要翻译： 圆柱形压电元件（3）被布置成在中心部分和端部处共享具有不同直径的圆柱形振动器（2）的轴线，以将在中心部分形成间隙（2a）的振动器（2）固定。 在压电元件（3）和振动器（2）上的第一电极（4a，4b）上施加振动电压，即第二电极，以使振动器（2）振动并使行波的波前接触 具有管状构件（1），即，安装到振动器（2）的支撑构件。 在振动器（2）的接触部分的摩擦使包括振动器（2）和压电元件（3）的动子在管状部件（1）的轴向上移动。 通过使用与压电元件（3）分开设置的振动器（2）放大振动幅度，实现了能够进行高速驱动的小型致动器。
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公开(公告)号：EP2017905B1
公开(公告)日：2014-03-19
申请号：EP08160022.3
申请日：2008-07-09
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公开(公告)号：EP2017905A3
公开(公告)日：2012-07-11
申请号：EP08160022.3
申请日：2008-07-09
发明人： Negishi, Mahito , Yokomatsu, Takao , Meisho, Ken , Hata, Seiichi , Shimokohbe, Akira , Sun, Dongming , Wang, Sheng
摘要： A cylindrical piezoelectric element (3) is arranged to share an axis with a cylindrical vibrator (2) having different diameters at central and end portions to fix the vibrator (2) forming a gap (2a) at the central portion. Vibration voltages are applied across first electrodes (4a, 4b) on the piezoelectric element (3) and the vibrator (2), namely, a second electrode, to vibrate the vibrator (2) and bring a wave front of a traveling wave into contact with a tubular member (1), i.e., a supporting member fitted to the vibrator (2). Friction at a contact portion of the vibrator (2) moves a mover including the vibrator (2) and the piezoelectric element (3) in an axial direction of the tubular member (1). By amplifying the vibration amplitude using the vibrator (2) provided separately from the piezoelectric element (3), a small actuator capable of performing high-speed driving is realized.
摘要翻译： 圆柱形压电元件（3）布置成与中心和端部处的具有不同直径的圆柱形振动器（2）共享轴线，以固定振动器（2），从而在中心部分形成间隙（2a）。 振动电压施加在压电元件（3）和振动器（2）上的第一电极（4a，4b），即第二电极上，使振动器（2）振动并使行波的波前接触 与管状部件（1），即安装在振动器（2）上的支撑部件。 振动器（2）的接触部分的摩擦使包括振动器（2）和压电元件（3）的动子在管状部件（1）的轴向上移动。 通过使用与压电元件（3）分开设置的振动器（2）来放大振动振幅，实现了能够执行高速驱动的小型致动器。
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公开(公告)号：EP2181814B1
公开(公告)日：2012-06-06
申请号：EP09174701.4
申请日：2009-10-30
发明人： Meisho, Ken
CPC分类号： B25J17/0208 , B23P19/105 , B25J13/085 , B25J15/02 , Y10T74/20335
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公开(公告)号：EP2181814A1
公开(公告)日：2010-05-05
申请号：EP09174701.4
申请日：2009-10-30
发明人： Meisho, Ken
CPC分类号： B25J17/0208 , B23P19/105 , B25J13/085 , B25J15/02 , Y10T74/20335
摘要： In a gripping device (100), a displacement-type force sensor (170) is provided on a side of a driving mechanism (120) opposite fingers (110) to which the driving mechanism (120) is connected to form a grip section. The driving mechanism (120) is supported on a housing (140) with an elastic member (130) being disposed therebetween at a position closer to the fingers (110) than the center of gravity of the grip section.
摘要翻译： 在夹持装置（100）中，位于驱动机构（120）的与驱动机构（120）连接的相对的指状物（110）的一侧上设置有位移型力传感器（170），形成抓握部。 驱动机构（120）支撑在壳体（140）上，弹性构件（130）设置在与握持部分的重心相比更靠近手指（110）的位置处。
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