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公开(公告)号：US20070062317A1
公开(公告)日：2007-03-22
申请号：US11530500
申请日：2006-09-11
申请人： Shigekazu Nagai , Ryuichi Masui
发明人： Shigekazu Nagai , Ryuichi Masui
CPC分类号： F16H25/20 , F16D35/005 , F16H25/2015 , F16H2025/2081 , F16H2025/2093 , Y10T74/18568
摘要： A driving force is transmitted from a driving section to a cylinder mechanism having a piston while subjected to speed reduction. Further, an operation oil is charged into a rotary housing of a power transmission switching mechanism that is arranged between the driving section and the cylinder mechanism. First plates and second plates are alternately arranged along an inner shaft, the first plates being connected on a side of the driving section, and the second plates being connected on a side of the cylinder mechanism.
摘要翻译： 驱动力在经过减速的同时从驱动部传递到具有活塞的气缸机构。 此外，操作油被装入设置在驱动部和气缸机构之间的动力传递切换机构的旋转壳体中。 第一板和第二板沿着内轴交替布置，第一板连接在驱动部分的一侧，第二板连接在气缸机构的一侧。
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公开(公告)号：US20060278282A1
公开(公告)日：2006-12-14
申请号：US11447026
申请日：2006-06-06
申请人： Shigekazu Nagai , Akio Saitoh , Bao Yan
发明人： Shigekazu Nagai , Akio Saitoh , Bao Yan
CPC分类号： F04F5/20 , F04F5/44 , Y10T137/86083
摘要： A main body section is provided with a filter for removing dust or the like contained in a pressure fluid, and a silencer for reducing an exhaust sound produced when pressure fluid is discharged from an ejector, which functions as a vacuum-generating mechanism. The filter is formed with a substantially elongated circular cross section having a pair of circular arc sections. Further, the filter is formed in a two-layered structure, composed of an inner layer and an outer layer, obtained by winding fiber materials having different material qualities respectively.
摘要翻译： 主体部分设置有用于除去压力流体中所含的灰尘等的过滤器，以及用于降低压力流体从用作真空产生机构的喷射器排出时产生的排气声音的消音器。 过滤器形成有具有一对圆弧部分的基本上细长的圆形横截面。 此外，通过分别通过卷绕具有不同材料质量的纤维材料而形成由内层和外层组成的两层结构的过滤器。
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公开(公告)号：US07111835B2
公开(公告)日：2006-09-26
申请号：US10674518
申请日：2003-10-01
申请人： Shigekazu Nagai , Akio Saitoh , Motoshi Togasaki , Kazuyuki Oguma
发明人： Shigekazu Nagai , Akio Saitoh , Motoshi Togasaki , Kazuyuki Oguma
IPC分类号： B23Q3/08
摘要： A clamp apparatus has a lower body. A rotary driving source driven by an electric signal, a pump mechanism having a pressure oil-sucking/discharging mechanism energized/deenergized by the rotary driving source, a cylinder mechanism provided with a piston for moving in an axial direction in accordance with supply of pressure oil, and an accumulator for retaining the pressure oil are integrally assembled to the lower body.
摘要翻译： 夹具装置具有下体。 由电信号驱动的旋转驱动源，具有由旋转驱动源通电/断电的压力吸油机构的泵机构，具有活塞的气缸机构，所述活塞在压力供给下沿轴向移动 油和用于保持压力油的蓄能器一体地组装到下体上。
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公开(公告)号：US20060207247A1
公开(公告)日：2006-09-21
申请号：US11377407
申请日：2006-03-17
申请人： Shigekazu Nagai , Akio Saitoh , Masahiko Someya , Masaru Saitoh
发明人： Shigekazu Nagai , Akio Saitoh , Masahiko Someya , Masaru Saitoh
IPC分类号： F16D31/02
CPC分类号： F15B15/18 , F04B1/128 , F04B1/2014 , F04B1/2064 , F15B2211/20515 , F15B2211/20561 , F15B2211/251 , F15B2211/27 , F15B2211/50527 , F15B2211/513 , F15B2211/5158 , F15B2211/605 , F15B2211/613 , F15B2211/7053
摘要： An actuator comprises a driving section driven and rotated by a supplied current, a pump mechanism driven by a driving force supplied from the driving section to suck and discharge pressure oil, and a cylinder mechanism having a piston displaceable by the pressure oil supplied from the pump mechanism. When a pressure of the pressure oil is at or greater than a predetermined value in the cylinder mechanism, a relief valve provided in the pump mechanism is opened to thereby discharge the pressure oil into a pressure oil-charging chamber of the pump mechanism. Pressure within a first or second cylinder chamber of the cylinder mechanism and into which the pressure oil is introduced is maintained substantially constant.
摘要翻译： 致动器包括由供给电流驱动和旋转的驱动部，由从驱动部供给的驱动力驱动以吸入和排出压力油的泵机构，以及具有可由泵供给的压力油移动的活塞的气缸机构 机制。 当在气缸机构中压力油的压力等于或大于预定值时，设置在泵机构中的安全阀打开，从而将压力油排放到泵机构的压力充油室中。 气缸机构的第一或第二气缸室内的压力保持在基本上恒定的压力油中。
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公开(公告)号：US20060081078A1
公开(公告)日：2006-04-20
申请号：US11203702
申请日：2005-08-15
申请人： Shigekazu Nagai , Akio Saitoh , Toru Sugiyama , Masaki Miyahara
发明人： Shigekazu Nagai , Akio Saitoh , Toru Sugiyama , Masaki Miyahara
IPC分类号： F16H27/02
CPC分类号： F16H25/2015 , F16H25/2204 , F16H2025/2075 , Y10T74/18576 , Y10T74/1868 , Y10T74/18688
摘要： Disclosed is an electric actuator capable of effectively absorbing shock exerted on its component part. The electric actuator has a housing, a rod cover, a piston, a feed screw, a sliding nut, two piston dampers for absorbing shock exerted on the piston, a first end damper attached to one of the opposite ends of the housing, a second end damper attached to the rod cover. The sliding nut is axially displaceable relative to the piston when the piston damper absorbs shock.
摘要翻译： 公开了能够有效地吸收施加在其部件上的冲击的电致动器。 电致动器具有壳体，杆盖，活塞，进给螺杆，滑动螺母，用于吸收施加在活塞上的冲击的两个活塞阻尼器，附接到壳体的相对端中的一个的第一端阻尼器，第二 末端阻尼器连接到杆盖。 当活塞阻尼器吸收冲击时，滑动螺母可相对于活塞轴向移动。
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公开(公告)号：USD505659S1
公开(公告)日：2005-05-31
申请号：US29201076
申请日：2004-03-08
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公开(公告)号：US06637314B2
公开(公告)日：2003-10-28
申请号：US10058429
申请日：2002-01-30
申请人： Shigekazu Nagai , Akio Saitoh , Masaki Miyahara
发明人： Shigekazu Nagai , Akio Saitoh , Masaki Miyahara
IPC分类号： F01B900
CPC分类号： F15B15/088 , F15B15/14
摘要： An air is evacuated from a chamber of a bellows by a vacuum pressure supply source connected to a vacuum port of an attachment plate. The vacuum pressure in a vacuum chamber is thus balanced with the vacuum pressure in the chamber of the bellows. Consequently, the bellows is prevented from expanding by balancing the respective vacuum pressures in the chamber of the bellows and in the vacuum chamber.
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公开(公告)号：US06619846B1
公开(公告)日：2003-09-16
申请号：US09868320
申请日：2001-06-18
申请人： Shigekazu Nagai , Akio Saitoh , Masaru Saitoh
发明人： Shigekazu Nagai , Akio Saitoh , Masaru Saitoh
IPC分类号： F16C2904
CPC分类号： F16H25/24 , F16C29/005 , F16C29/0604 , F16C29/063 , F16H2025/2034 , F16H2025/2075
摘要： A guide mechanism is provided with first guide rails each having a circular arc-shaped cross section to be installed to first long grooves each having a circular arc-shaped cross section formed on an inner wall surface of a frame, and second guide rails each having a circular arc-shaped cross section to be installed to second long grooves each having a circular arc-shaped cross section formed on side surfaces of a slider opposed to the inner wall surface of the frame. Accordingly, the arrangement of ball-rolling grooves in the slider can be performed more freely, and it is possible to mitigate the concentration of stress exerted by external force.
摘要翻译： 引导机构设置有每个具有圆弧形横截面的第一导轨，以安装到形成在框架的内壁表面上的具有圆弧形横截面的第一长槽，以及第二导轨，每个第二导轨具有 圆弧形截面被安装到具有圆弧形横截面的第二长槽上，形成在与框架的内壁表面相对的滑块的侧表面上。 因此，可以更自由地进行滑块中的滚珠滚动槽的布置，并且可以减轻由外力施加的应力集中。
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公开(公告)号：US06527323B2
公开(公告)日：2003-03-04
申请号：US09916673
申请日：2001-07-30
IPC分类号： B25J1506
CPC分类号： B25J15/0616
摘要： A skirt section has a plurality of substantially elliptic projections and a recessed portion formed on an attracting surface thereof. The skirt section is separated from each other by predetermined spacing distances along a circumferential direction of the skirt section on concentric circles. The recessed portion enables a fluid under the negative pressure to be supplied to the entire attracting surface except for the projections. Even if oil film or water droplet adheres to an attracted surface of a workpiece, the workpiece can reliably be attracted without causing a slip.
摘要翻译： 裙部具有多个基本上椭圆形的突起和形成在其吸引表面上的凹部。 裙部沿着同心圆上的裙部的圆周方向彼此分开预定的间隔距离。 凹部使得能够将负压下的流体供给除了突起之外的整个吸引面。 即使油膜或水滴附着在工件的被吸附表面上，也能够可靠地吸引工件而不产生滑动。
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公开(公告)号：US06446520B1
公开(公告)日：2002-09-10
申请号：US09581531
申请日：2000-07-07
申请人： Shigekazu Nagai , Hiroyuki Shiomi
发明人： Shigekazu Nagai , Hiroyuki Shiomi
IPC分类号： F16H2524
CPC分类号： F16H25/24 , F16H25/2204 , F16H2025/2034 , F16H2025/2242 , F16H2025/249 , Y10T74/18656 , Y10T74/18744 , Y10T74/19749 , Y10T408/03
摘要： A ball screw 2 or a sliding screw 2a has a driving force-transmitting shaft 4 or 4a and a bearing member 6 or 6a externally fitted to the driving force-transmitting shaft 4 or 4a. The driving force-transmitting shaft 4 or 4a is made of aluminum or aluminum alloy, and the bearing member 6 or 6a is made of any one of synthetic resin, aluminum, and aluminum alloy. The member, which is formed by using the aluminum or the aluminum alloy, is applied with a surface treatment, and preferably, it is further applied with a surface finish treatment.
摘要翻译： 滚珠丝杠2或滑动螺钉2a具有驱动力传递轴4或4a以及外部配合到驱动力传递轴4或4a的轴承部件6或6a。 驱动力传递轴4或4a由铝或铝合金制成，并且轴承部件6或6a由合成树脂，铝和铝合金中的任何一种制成。 通过使用铝或铝合金形成的构件进行表面处理，优选进一步进行表面光洁处理。
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