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公开(公告)号：US10855154B2
公开(公告)日：2020-12-01
申请号：US16090347
申请日：2017-03-24
申请人： Yuki Takahashi , Yasutaka Kitamura , Masaharu Kagami , Chikara Sekiguchi , Kazutaka Sakaguchi , Shigenori Inamoto
发明人： Yuki Takahashi , Yasutaka Kitamura , Masaharu Kagami , Chikara Sekiguchi , Kazutaka Sakaguchi , Shigenori Inamoto
摘要： An actuator has: an affixed section having a coil; a first mobile section that is elastically held and disposed so as to allow movement in the axial direction inside one end of the coil, and has a first magnet magnetized in the axial direction of the coil and disposed on one end in the axial direction; and a second mobile section that is elastically held and disposed so as to allow movement in the axial direction inside another end of the coil, and has a second magnet magnetized in the axial direction and disposed on the other end in the axial direction. The first and second magnets are disposed such that identical magnetic poles are in the same direction in the axial direction, and the first and second mobile sections move in opposite directions along the same axis when a current is applied to the coil.
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公开(公告)号：US10715023B2
公开(公告)日：2020-07-14
申请号：US15766916
申请日：2015-10-09
申请人： Yuki Takahashi , Chikara Sekiguchi , Kazutaka Sakaguchi , Yasutaka Kitamura , Masaharu Kagami , Shigenori Inamoto
发明人： Yuki Takahashi , Chikara Sekiguchi , Kazutaka Sakaguchi , Yasutaka Kitamura , Masaharu Kagami , Shigenori Inamoto
摘要： The purpose of the present invention is to provide a vibratory actuator the size of which can be reduced and which effectively produces vibrations felt by a user. The vibratory actuator has: a stationary body which has a curved surface section curved in a concave shape to be placed along the skin; and a movable body which is disposed on the curved surface section so as to be able to move with respect to the stationary body in a reciprocating manner along the curved surface section, thereby imparting a vibratory stimulus caused by the reciprocating motion to mechanoreceptors in the skin tissue via the curved surface section.
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公开(公告)号：US10547234B2
公开(公告)日：2020-01-28
申请号：US15775499
申请日：2016-11-10
申请人： Yuki Takahashi , Chikara Sekiguchi , Kazutaka Sakaguchi , Yasutaka Kitamura , Masaharu Kagami , Shigenori Inamoto
发明人： Yuki Takahashi , Chikara Sekiguchi , Kazutaka Sakaguchi , Yasutaka Kitamura , Masaharu Kagami , Shigenori Inamoto
摘要： An oscillatory actuator has: a fixed body that has a planar part and a flat coil disposed on the planar part; and a movable body that has a magnet facing the coil and oscillates in a reciprocating manner in one direction relative to the fixed body above the planar part via cooperation between the coil and the magnet. The fixed body has a pair of linear bearings that are respectively disposed along both side surfaces extending in said one direction of the movable body and are equipped with balls capable of rolling and coming into contact with the respective side surfaces. The movable body is supported via the balls of the linear bearings so as to be able to oscillate in said one direction.
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公开(公告)号：US10715022B2
公开(公告)日：2020-07-14
申请号：US15749896
申请日：2016-08-02
申请人： Yuki Takahashi , Masami Kamijo , Kazutaka Sakaguchi , Yasutaka Kitamura , Masaharu Kagami , Shigenori Inamoto
发明人： Yuki Takahashi , Masami Kamijo , Kazutaka Sakaguchi , Yasutaka Kitamura , Masaharu Kagami , Shigenori Inamoto
IPC分类号： H02K33/16 , H02K21/22 , B26B19/28 , H02K21/14 , H02K33/02 , F16C33/10 , F16C33/12 , H02K1/14 , A61C17/34
摘要： The purpose of the present invention is to provide an actuator that has a simple configuration and can stably achieve high output without the occurrence of magnetic saturation. This actuator has: a movable body provided with a cylindrical magnet section having alternately N-pole faces and S-pole faces on the peripheral surface surrounding a rotation shaft; and a fixed body provided with, pole tooth surfaces of the same number as the N-pole faces and the S-pole faces, and a coil that excites the pole tooth sections. The movable body has as a turning reference position a position at which the center of the pole tooth surfaces in the circumferential direction and the switching position of the pole faces of the magnet section face each other, and is held to the fixed body so as to be turnable back and forth around the rotation shaft in the circumferential direction.
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公开(公告)号：US20100315185A1
公开(公告)日：2010-12-16
申请号：US12867961
申请日：2009-02-04
IPC分类号： H01F7/08
摘要： A vibration generator 1 has an attachment structure of a spring by which the attachment error of the spring elastically supporting a mover composed of a magnet and a yoke does not become the error of the span of the spring to make it possible to improve the ease and yield of manufacture. The vibration generator 1 includes a mover which is composed of a magnet 5 and yokes 4, 7a and 7b, and a spring 6 which is composed of an integrally molded article made of an elastomeric material and elastically supports the mover to allow the mover to vibrate in the central axis direction C. The spring is arranged on the outside of a coil 3 in a radial direction thereof and extends along the radial direction. An outer end portion 6a in the radial direction is nipped by two parts 2 and 8 in the central axis direction to be fixed to the housings 2 and 8, and an inner end portion 6b in the radial direction is nipped by two parts 7a and 7b constituting the outer circumferential part of the yoke in the central axis direction to be fixed to the outer circumferential part of the yoke. The outer end portion and the inner end portion have projecting parts formed to project from an elastic deformation section 6c, connecting the outer end portion and the inner end portion to each other, into two directions along the central axis.
摘要翻译： 振动发生器1具有弹簧的安装结构，弹簧支撑由磁体和轭构成的动子的弹簧的附着误差不会变成弹簧的跨度的误差，从而可以提高容易性， 制造产量。 振动发生器1包括由磁体5和轭4,7a和7b组成的移动器，弹簧6由弹性体材料制成的整体模塑制品组成并且弹性地支撑移动器以允许移动器振动 在中心轴线方向C上。弹簧沿径向布置在线圈3的外侧上，并且沿着径向方向延伸。 沿径向的外端部6a在中心轴线方向上被两部分2和8夹持以固定到壳体2和8，并且沿径向的内端部6b被两部分7a和7b夹持 构成磁轭的中心轴方向的外周部，以固定在磁轭的外周部。 外端部和内端部具有突出部，其形成为从外端部和内端部彼此连接的弹性变形部6c沿着中心轴线向两个方向突出。
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公开(公告)号：US20110214239A1
公开(公告)日：2011-09-08
申请号：US13129041
申请日：2009-11-10
摘要： Disclosed is an actuator that realizes reciprocal rotational motion of an electric toothbrush, for example, without utilizing a drive transmission mechanism that is separate from the drive source. In the actuator, a fixed body (120) has a coil (128) that is disposed around a magnet (160) and faces the magnetic planes with different polarities within the magnet (160) at individual prescribed distances, and an outer yoke (150) that covers the outer periphery of the coil (128). The fixed body (120) rotatably supports a movable body (110), which holds the magnet (160), via a coil spring that is an elastic member (130) made from a wire. An alternating current supplying part (140) supplies an alternating current having roughly the same resonance frequency as that of the fixed body (120) to the coil (128) to cause the movable body (110) to vibrate in a reciprocal rotational motion. The coil spring that is the elastic member (130) uniformly disperses stress generated by the vibration.
摘要翻译： 公开了一种致动器，其实现电动牙刷的往复旋转运动，例如，不利用与驱动源分离的驱动传动机构。 在致动器中，固定体（120）具有线圈（128），该线圈（128）围绕磁体（160）设置并且以各个规定的距离面对磁体（160）内具有不同极性的磁性平面，外轭 ），其覆盖线圈（128）的外周。 固定体（120）可旋转地支撑通过作为由导线制成的弹性构件（130）的螺旋弹簧保持磁体（160）的可移动体（110）。 交流供给部（140）向线圈（128）供给与固定体（120）的共振频率大致相同的共振频率的交流电流，使可动体（110）以往复的旋转运动振动。 作为弹性构件（130）的螺旋弹簧均匀地分散由振动产生的应力。
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公开(公告)号：US11575302B2
公开(公告)日：2023-02-07
申请号：US16554686
申请日：2019-08-29
申请人： Yuki Takahashi , Chikara Sekiguchi , Yuki Otsuka , Tomoya Ishitani , Kazutaka Sakaguchi , Shigenori Inamoto
发明人： Yuki Takahashi , Chikara Sekiguchi , Yuki Otsuka , Tomoya Ishitani , Kazutaka Sakaguchi , Shigenori Inamoto
摘要： A vibration actuator that cooperates with a coil and a magnet to vibrate a movable body with respect to a stationary body, including: the stationary body including the coil and a core around which the coil is wound; a shaft part; and the movable body including the magnet, the movable body being movably supported by the stationary body via the shaft part, wherein the core is disposed along an axial direction of the shaft part, and includes a core-side magnetic pole to be excited by energization to the coil, the magnet includes a magnet-side magnetic pole disposed so as to face the core-side magnetic pole with a gap therebetween, and the vibration actuator further includes a spring part elastically supporting the movable body with respect to the stationary body, linearly movably in the axial direction in a reciprocating manner, and rotationally movably about an axis in a reciprocating manner.
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公开(公告)号：US08587162B2
公开(公告)日：2013-11-19
申请号：US13129041
申请日：2009-11-10
IPC分类号： H02K33/00
摘要： Disclosed is an actuator that realizes reciprocal rotational motion of an electric toothbrush, for example, without utilizing a drive transmission mechanism that is separate from the drive source. In the actuator, a fixed body (120) has a coil (128) that is disposed around a magnet (160) and faces the magnetic planes with different polarities within the magnet (160) at individual prescribed distances, and an outer yoke (150) that covers the outer periphery of the coil (128). The fixed body (120) rotatably supports a movable body (110), which holds the magnet (160), via a coil spring that is an elastic member (130) made from a wire. An alternating current supplying part (140) supplies an alternating current having roughly the same resonance frequency as that of the fixed body (120) to the coil (128) to cause the movable body (110) to vibrate in a reciprocal rotational motion. The coil spring that is the elastic member (130) uniformly disperses stress generated by the vibration.
摘要翻译： 公开了一种致动器，其实现电动牙刷的往复旋转运动，例如，不利用与驱动源分离的驱动传动机构。 在致动器中，固定体（120）具有线圈（128），该线圈（128）围绕磁体（160）设置并且以各个规定的距离面对磁体（160）内具有不同极性的磁性平面，外轭 ），其覆盖线圈（128）的外周。 固定体（120）可旋转地支撑通过作为由导线制成的弹性构件（130）的螺旋弹簧保持磁体（160）的可移动体（110）。 交流供给部（140）向线圈（128）供给与固定体（120）的共振频率大致相同的共振频率的交流电，使可动体（110）以往复的旋转运动振动。 作为弹性构件（130）的螺旋弹簧均匀地分散由振动产生的应力。
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公开(公告)号：US08174345B2
公开(公告)日：2012-05-08
申请号：US12867961
申请日：2009-02-04
IPC分类号： H01F7/10
摘要： A vibration generator 1 has an attachment structure of a spring by which the attachment error of the spring elastically supporting a mover composed of a magnet and a yoke does not become the error of the span of the spring to make it possible to improve the ease and yield of manufacture. The vibration generator 1 includes a mover which is composed of a magnet 5 and yokes 4, 7a and 7b, and a spring 6 which is composed of an integrally molded article made of an elastomeric material and elastically supports the mover to allow the mover to vibrate in the central axis direction C. The spring is arranged on the outside of a coil 3 in a radial direction thereof and extends along the radial direction. An outer end portion 6a in the radial direction is nipped by two parts 2 and 8 in the central axis direction to be fixed to the housings 2 and 8, and an inner end portion 6b in the radial direction is nipped by two parts 7a and 7b constituting the outer circumferential part of the yoke in the central axis direction to be fixed to the outer circumferential part of the yoke. The outer end portion and the inner end portion have projecting parts formed to project from an elastic deformation section 6c, connecting the outer end portion and the inner end portion to each other, into two directions along the central axis.
摘要翻译： 振动发生器1具有弹簧的安装结构，弹簧支撑由磁体和轭构成的动子的弹簧的附着误差不会变成弹簧的跨度的误差，从而可以提高容易性， 制造产量。 振动发生器1包括由磁体5和轭4,7a和7b组成的移动器，弹簧6由弹性体材料制成的整体模塑制品组成并且弹性地支撑移动器以允许动子振动 在中心轴线方向C上。弹簧沿径向布置在线圈3的外侧上，并且沿着径向方向延伸。 沿径向的外端部6a在中心轴线方向上被两部分2和8夹持以固定到壳体2和8，并且沿径向的内端部6b被两部分7a和7b夹持 构成磁轭的中心轴方向的外周部，以固定在磁轭的外周部。 外端部和内端部具有突出部，其形成为从外端部和内端部彼此连接的弹性变形部6c沿着中心轴线向两个方向突出。
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公开(公告)号：US11245319B2
公开(公告)日：2022-02-08
申请号：US16477583
申请日：2018-01-05
IPC分类号： H02K33/18 , G08B6/00 , H04B1/3827
摘要： This actuator has a stationary body having either a coil or a magnet, a movable body having the other, that is, a magnet or a coil, and an elastic body that supports the movable body so as to be capable of moving with respect to the stationary body. The movable body moves reciprocally with respect to the stationary body in the vibration direction due to concerted movement of the magnet and the energized coil. The magnet can advance into and separate from the interior of the coil in the vibration direction. The elastic body is a plate-shaped elastic body one end of which is secured to a stationary unit, the other end of which is secured to the movable body, and which supports the movable body with a cantilever structure so as to be capable of oscillating reciprocally in the vibration direction.
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