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28 条记录 (耗时 0.019 秒)

    Hydraulic clamp
    4.
    发明授权
    Hydraulic clamp 失效
    液压夹

    公开(公告)号：US4932640A

    公开(公告)日：1990-06-12

    申请号：US377039

    申请日：1989-07-10

    申请人： Tsutomu Shirakawa

    发明人： Tsutomu Shirakawa

    IPC分类号： B23Q3/06 ,  B22D17/26 ,  B23Q1/28 ,  B25B5/06 ,  B25B5/08 ,  B25B5/16 ,  F16B2/14

    CPC分类号： B25B5/064 ,  B23Q1/28 ,  B25B5/087 ,  B25B5/16

    摘要： In a hydraulic clamp adapted to fixedly secure an object such as a die, a workpiece and the like strongly to a machine tool such as an injection molding machine, a press machine and the like by means of multiplication action of a wedge,a drive chamber is formed in a clamp housing with its front end open and a clamp arm is inserted in the drive chamber to be vertically pivotable,a driving wedge is inserted between a wedge retaining surface defining an upper part of the drive chamber and a driven portion formed at a top of the clamp arm from behind and adapted to be moved longitudinally reciprocatively by means of a hydraulic cylinder, anda sliding shuttle member is interposed between the sliding contact surfaces of the driving wedge and of at least one of the wedge retaining surface and the driven portion to be slidable in a forward and backward direction within a given range.

    Overload protector for mechanical press
    6.
    发明授权
    Overload protector for mechanical press 失效
    机械压力机用过载保护器

    公开(公告)号：US06457406B1

    公开(公告)日：2002-10-01

    申请号：US09534015

    申请日：2000-03-24

    申请人： Keitaro Yonezawa ,  Tsutomu Shirakawa

    发明人： Keitaro Yonezawa ,  Tsutomu Shirakawa

    IPC分类号： F16P500

    CPC分类号： B30B15/284

    摘要： Two hydraulic chambers (3a),(3b) within a slide (2) communicate with an overload protecting valve (12) through relief passages (11a),(11b). Check valves (13a),(13b) and discharge valves (14a),(14b) are arranged in series with each other in the respective relief passages (11a),(11b). When either of the two hydraulic chambers (3a),(3b) has a pressure not less than a set overload pressure, the overload protecting valve (12) opens to relieve pressurized oil within the hydraulic chamber (3a) to an exterior area via a restricting passage (78) of one discharge valve (14a) and the overload protecting valve (12). This switches over the two discharge valves (14a),(14b) to a discharging condition substantially at the same time to communicate the hydraulic chambers (3a),(3b) with a discharge port (R).

    摘要翻译： （2）内的两个液压室（3a），（3b）通过卸载通道（11a），（11b）与过载保护阀（12）连通。 止回阀（13a），（13b）和排出阀（14a），（14b）在相应的排放通道（11a），（11b）中彼此串联布置。 当两个液压室（3a），（3b）中的任何一个具有不小于设定的过载压力的压力时，过载保护阀（12）打开，以通过一个外部区域通过液压室（3a）将压力油释放到外部区域 限制一个排放阀（14a）和过载保护阀（12）的通道（78）。 这两个排放阀（14a），（14b）基本上同时将液压室（3a），（3b）与排放口（R）连通。

    Clamping device for a blow moulding machine
    7.
    发明授权
    Clamping device for a blow moulding machine 失效
    吹塑机夹紧装置

    公开(公告)号：US5388977A

    公开(公告)日：1995-02-14

    申请号：US121867

    申请日：1993-09-17

    申请人： Tsutomu Shirakawa

    发明人： Tsutomu Shirakawa

    IPC分类号： B29B11/10 ,  B29C47/08 ,  B29C49/04 ,  B29C49/42 ,  B29L22/00 ,  B29C45/10

    CPC分类号： B29C47/0818 ,  B29C47/0023 ,  B29C49/42 ,  B29C2049/5893

    摘要： An annular block (3) and an annular housing (23) are arranged in a lower portion of a head unit (1). A plurality of cylinder bores (27) are arranged within the housing (23) in along its outer periphery. The cylinder bores (27) are opened inwardly and acclivously in an inner peripheral surface (26) of the housing (23). At the time of clamping actuation, pistons (28) inserted into the respective cylinder bores (27) are adapted to be advanced inwardly and acclivously. Thereupon, a flange (15) provided in the upper portion of a die (5) is pressed to a bottom surface of a receiving hole (14) provided in the block (3) by clamping members (42) of the pistons (28).

    摘要翻译： 环形块（3）和环形壳体（23）布置在头单元（1）的下部。 多个气缸孔（27）沿其外周布置在壳体（23）内。 气缸孔（27）向内敞开地敞开地在壳体（23）的内周表面（26）中敞开。 在夹紧致动时，插入相应的气缸孔（27）中的活塞（28）适于向内并且适度地前进。 因此，设置在模具（5）的上部的凸缘（15）通过活塞（28）的夹紧构件（42）被压到设置在块（3）中的容纳孔（14）的底表面上， 。

    FUEL CELL
    9.
    发明申请
    FUEL CELL 审中-公开
    燃料电池

    公开(公告)号：US20100323270A1

    公开(公告)日：2010-12-23

    申请号：US12528403

    申请日：2008-02-27

    申请人： Kazunori Shibata ,  Masaaki Kondo ,  Tomohiro Ogawa ,  Sogo Goto ,  Takashi Kajiwara ,  Tsutomu Shirakawa ,  Yuichi Yagami

    发明人： Kazunori Shibata ,  Masaaki Kondo ,  Tomohiro Ogawa ,  Sogo Goto ,  Takashi Kajiwara ,  Tsutomu Shirakawa ,  Yuichi Yagami

    IPC分类号： H01M8/10

    CPC分类号： H01M8/0258 ,  H01M8/04089 ,  H01M8/1007 ,  H01M8/241 ,  H01M8/2457

    摘要： A fuel cell includes: an anode-forming layer that is provided on an outer side of one surface of an electrolyte membrane and that includes an anode; a cathode provided on an outer side of another surface of the electrolyte membrane; a partition wall portion that is formed in the anode-forming layer in the thickness direction thereof, and that divides at least a surface of the anode-forming layer remote from the electrolyte membrane into blocks, and that restrains movement of a gas between adjacent blocks; and a gas introduction portion which has a gas passage portion that allows the fuel gas to pass through and which introduces the fuel gas, via the gas passage portion, into the blocks divided by the partition wall portion.

    摘要翻译： 燃料电池包括：阳极形成层，设置在电解质膜的一个表面的外侧，并且包括阳极; 设置在所述电解质膜的另一表面的外侧的阴极; 在阳极形成层的厚度方向上形成的分隔壁部，并且将远离电解质膜的阳极形成层的至少一部分分割为块状，并且抑制气体在相邻块之间的移动 ; 以及气体导入部，其具有允许燃料气体通过的气体通道部分，并且经由气体通道部分将燃料气体引入由分隔壁部分分割的块体中。

    Positioning device
    10.
    发明授权
    Positioning device 失效
    定位装置

    公开(公告)号：US07165763B2

    公开(公告)日：2007-01-23

    申请号：US10537355

    申请日：2003-12-10

    申请人： Keitaro Yonezawa ,  Tsutomu Shirakawa

    发明人： Keitaro Yonezawa ,  Tsutomu Shirakawa

    IPC分类号： B23Q3/00

    CPC分类号： B23Q3/18 ,  B23B31/1071 ,  B23Q1/0081

    摘要： A clamp pallet (2) as a reference member is fixed to a table (1) of a machining center. A tapered positioning hole (12) is opened in a lower surface of a work pallet (3) as a movable member. An annular central pillar (21) is projected upward from the clamp pallet (2), and an intermediate member (22) is arranged between the central pillar (21) and the positioning hole (12). The intermediate member (22) is composed of a shuttle member (23), which is diametrically expandable and contractible and supported on the central pillar (21) vertically movably, and a tapered cylinder (26), which is attached to an outer periphery of the shuttle member (23) and makes a tapering engagement with the positioning hole (12). The shuttle member (23) is urged upward by means of an elastic member (24).

    摘要翻译： 作为基准构件的夹具托架（2）固定在加工中心的工作台（1）上。 锥形定位孔（12）作为可移动件在工件托盘（3）的下表面上打开。 环形中心柱（21）从夹紧托盘（2）向上突出，中间构件（22）布置在中心柱（21）和定位孔（12）之间。 中间构件（22）由可沿径向可膨胀和收缩并垂直运动地支撑在中心柱（21）上的梭构件（23）构成，锥形缸（26）附接到 穿梭构件（23）并与定位孔（12）进行锥形接合。 穿梭构件（23）借助于弹性构件（24）被向上推动。