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1. 发明公开

EP3670930A1 CYLINDER DEVICE 审中-公开
公开(公告)号：EP3670930A1
公开(公告)日：2020-06-24
申请号：EP18867334.7
申请日：2018-10-01
申请人： Kosmek Ltd.
发明人： KOJIMA, Ryota
IPC分类号： F15B15/14
摘要： A piston (6) is hermetically inserted via a sealing member (7) in a cylinder hole (2) provided in a housing (1) so that the piston (6) is movable in an up-down direction. A communication passage (21) provided in an inner peripheral wall of the cylinder hole (2) is communicatively connected to a lock-side supply and discharge passage (13) through which pressurized oil is supplied to and discharged from a lock chamber (11) of the housing (1). An opening area (Si) of the communication passage (21) is designed to be smaller than an opening area (S 2 ) of the lock-side supply and discharge passage (13). When the piston (6) is caused to move for releasing from a raised position to a lower limit position, the sealing member (7) is lowered from the raised position beyond the communication passage (21), to open communication between a release chamber (12) in the housing (1) and the lock-side supply and discharge passage (13) via the communication passage (21).

2. 发明公开

EP2130643A1 DEVICE FOR DETECTING OPERATION OF CLAMP 审中-公开
标题翻译： VORRICHTUNG ZUR ERFASSUNG DERBETÄTIGUNGEINER KLEMME
公开(公告)号：EP2130643A1
公开(公告)日：2009-12-09
申请号：EP08711549.9
申请日：2008-02-19
申请人： Kosmek Ltd.
发明人： YOKOTA, Hideaki , KOJIMA, Ryota
IPC分类号： B23Q3/06
CPC分类号： B23Q3/06 , B25B5/061 , B25B5/064 , B25B5/16
摘要： A clamp rod (5) is vertically movably inserted into a housing (3), and a detection hole (58) is formed in a lower end wall (3b) of the housing (3), substantially concentrically with an axis of the clamp rod (5). An inlet hole (71, 72) for supplying compressed air is opened in a peripheral surface of the detection hole (58). Into the detection hole (58), a detection member (62) is fitted vertically movably, the detection member (62) having a closing surface (68) which closes an opening portion (71a, 72a) of the inlet hole (71, 72), and a recessed portion (69) through which the opening portion (71a, 72a) is communicatively connected to outside air. The detection member (62) is connected to a downward projecting portion (5a) of the clamp rod (5). The detection member (62) is urged by an elastic member (91) toward the opening portion (71 a, 72a).
摘要翻译：夹紧杆（5）可垂直移动地插入壳体（3）中，并且检测孔（58）形成在壳体（3）的下端壁（3b）中，与夹紧杆（5）。用于供给压缩空气的入口孔（71,72）在检测孔（58）的周面开口。在检测孔58中，检测部件62垂直移动，该检测部件62具有封闭入口孔71,72的开口部71a，72a的封闭面68 ）和开口部（71a，72a）通过其与外部空气连通地连接的凹部（69）。检测部件（62）与夹紧杆（5）的向下突出部（5a）连接。检测构件（62）被弹性构件（91）朝向开口部（71a，72a）推压。

3. 发明公开

EP3315793A1 CYLINDER APPARATUS 有权
标题翻译： CYLINDER装置
公开(公告)号：EP3315793A1
公开(公告)日：2018-05-02
申请号：EP16814214.9
申请日：2016-06-13
申请人： Kosmek Ltd.
发明人： KOJIMA, Ryota
IPC分类号： F15B15/28 , B23Q3/06 , F15B15/26
摘要： A piston body (11) of an advancing-retracting first piston (10) and a force-multiplying second piston (15) are arranged in series in a vertical direction in a housing (1). Force acting on the second piston (15) due to pressurized oil in a lock chamber (16) is multiplied and converted into multiplied upward force via engaging balls (32) of a force multiplier (30). Then, the multiplied upward force is transmitted to an output rod (12) of the first piston (10). At an intermediate part of a first air detection passage (38) for use in detection formed in the housing (1), a first detection valve (40) is provided. When the engaging balls (32) move inward in a radial direction, the first detection valve (40) is closed.
摘要翻译：进退回缩第一活塞（10）和增力第二活塞（15）的活塞体（11）在壳体（1）中沿垂直方向串联布置。由于锁腔（16）中的加压油而作用在第二活塞（15）上的力通过力倍增器（30）的接合球（32）被倍增并转换为倍增向上的力。然后，倍增的向上的力被传递到第一活塞（10）的输出杆（12）。在形成于壳体（1）中的用于检测的第一空气检测通道（38）的中间部分设置有第一检测阀（40）。当接合球（32）沿径向向内移动时，第一检测阀（40）关闭。

4. 发明授权

EP3315793B1 CYLINDER APPARATUS 有权
公开(公告)号：EP3315793B1
公开(公告)日：2020-08-19
申请号：EP16814214.9
申请日：2016-06-13
申请人： Kosmek Ltd.
发明人： KOJIMA, Ryota
IPC分类号： F15B15/28 , B23Q3/06 , F15B15/26 , F15B15/14 , F15B15/20 , B25B5/06

5. 发明公开

EP3659745A1 ELECTRICALLY ACTUATED CLAMP DEVICE 有权
公开(公告)号：EP3659745A1
公开(公告)日：2020-06-03
申请号：EP18872495.9
申请日：2018-10-15
申请人： Kosmek Ltd.
发明人： KOJIMA, Ryota
IPC分类号： B23Q3/06
摘要： An output rod (20) of an electric clamping device includes: a tubular power transmission member (25) screw-connected to a decelerator (6); and an output rod main body (24) disposed radially inward of an inner peripheral surface of a cylindrical hole of the power transmission member (25) with a clearance between the output rod main body (24) and the inner peripheral surface. The output rod (20) further includes: a rotation preventing mechanism (26); a lock-side driving mechanism (27, 42), a release-side driving mechanism (28), and an output rod guide mechanism (29).

6. 发明公开

EP3284958A1 CYLINDER DEVICE 有权
标题翻译： CYLINDER装置
公开(公告)号：EP3284958A1
公开(公告)日：2018-02-21
申请号：EP16779960.0
申请日：2016-04-06
申请人： Kosmek Ltd.
发明人： KOJIMA, Ryota , YOSHIMI, Masahiro , YOKOTA, Hideaki
IPC分类号： F15B15/28 , B23Q3/06
CPC分类号： F15B15/28 , B23Q3/06
摘要： In a rod hole (19) of a holding rod (18) held in a guide hole (17) of a piston (10), a limit switch (20) is fixed and a detection rod (21) is inserted. A first engagement ball (30) and a second engagement ball (40) are configured to be in contact with a first cam surface (32) and a second cam surface (42), respectively, which are provided at an outer periphery of the detection rod (21). The first engagement ball (30) and the second engagement ball (40) are configured to be in contact with a first pushing portion (35) and a second pushing portion (45), respectively, which are provided inside the guide hole (17). The position of the piston (10) is detected by electrically or electronically detecting the movement of the detection rod (21) by the limit switch (20).
摘要翻译：在保持在活塞（10）的导向孔（17）中的保持杆（18）的杆孔（19）中，固定限位开关（20）并插入检测杆（21）。第一接合球（30）和第二接合球（40）构造成分别与第一凸轮表面（32）和第二凸轮表面（42）接触，所述第一凸轮表面（32）和第二凸轮表面（42）分别设置在检测器杆（21）。第一卡合球30和第二卡合球40构成为分别与设置在引导孔17内的第一推动部35和第二推动部45接触，。活塞（10）的位置通过由限位开关（20）电检测或电子检测检测杆（21）的运动来检测。

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