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公开(公告)号：US10167919B2
公开(公告)日：2019-01-01
申请号：US15524260
申请日：2015-11-04
发明人： Masahiro Miwa , Kazuma Ando , Shinichi Sutou , Yasutaka Ohta , Koji Takami
摘要： A cylinder device includes a cylinder that has one end from which a piston rod extends, a pipe-shaped cover member that has an extendable bellows portion and a small-diameter portion whose inner diameter is smaller than an inner diameter of the bellows portion, the cover member being configured to protect the piston rod, and a capping member fitted into the cylinder, the capping member having a convex portion to which the small-diameter portion of the cover member is locked, at an outer periphery, wherein at the small-diameter portion of the cover member, a bulge portion that bulges outside in a radial direction is formed.
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公开(公告)号：US10532622B2
公开(公告)日：2020-01-14
申请号：US15562413
申请日：2016-03-30
发明人： Masahiro Miwa , Kazuma Ando , Yasutaka Ohta
摘要： A rubber sheet includes: a main body formed into an arc shape or an annular shape; a seating portion formed into a groove shape at the main body, a coil spring being configured to be seated on the seating portion; and a deformation restricting portion formed to project outside in a radial direction from an outer periphery of the main body at a position, on which a terminal portion of the coil spring is seated, of the main body, the deformation restricting portion being configured to restrict deformation of the main body.
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公开(公告)号：US10336147B2
公开(公告)日：2019-07-02
申请号：US15562414
申请日：2016-03-30
发明人： Masahiro Miwa , Kazuma Ando , Yasutaka Ohta
摘要： A spring guide includes: a mounting portion formed so as to be depressed, the rubber sheet being fitted to the mounting portion; and a plurality of lock pieces formed to stand at an outer periphery of the mounting portion. At least one of the plurality of the first lock pieces and the second lock piece is disposed at a position that restricts deformation of a circumferential end portion of the rubber sheet to an outside in a radial direction, in a state where the rubber sheet is fitted to the mounting portion.
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公开(公告)号：US10203015B2
公开(公告)日：2019-02-12
申请号：US15126562
申请日：2015-03-17
发明人： Kazuma Ando , Masahiro Miwa , Yasutaka Ohta , Koji Takami
摘要： A dust boot includes a tubular boot body and an annular flange portion linked to an upper end of the boot body. In an outer side of the flange portion, an angle between the flange portion and a line perpendicular to an axis of the boot body is set to be larger than 0° and smaller than 90°.
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公开(公告)号：US10400850B2
公开(公告)日：2019-09-03
申请号：US15542740
申请日：2015-11-17
发明人： Masahiro Miwa , Kazuma Ando , Yuki Watanabe , Takafumi Kobayashi
摘要： A shock absorber includes a cylindrically-shaped mounting member having an outer peripheral surface bonded at one end or both ends, the mounting member having an outer diameter at an end surface side smaller than an outer diameter at a center portion, and a reinforcement welding performed at the end surface side of the mounting member at a bonding portion of the mounting member.
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公开(公告)号：US10358009B2
公开(公告)日：2019-07-23
申请号：US15562417
申请日：2016-03-30
发明人： Masahiro Miwa , Kazuma Ando , Yasutaka Ohta
摘要： A rubber sheet includes: a main body fitted to a mounting portion formed so as to be depressed at the spring guide, the main body supporting a coil spring; and lips formed to project from respective side surfaces of an inner periphery and an outer periphery of the main body in a radial direction, the lips being configured to abut on the spring guide to prevent a foreign matter from invading between the main body and the mounting portion.
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公开(公告)号：US11536346B2
公开(公告)日：2022-12-27
申请号：US16976695
申请日：2019-03-08
申请人： KYB Corporation
发明人： Gai Cho , Naoki Kubota , Masahiro Miwa
摘要： A shock absorber includes a bearing unit having a bearing and a bearing holding member, and a seal unit having a seal member and a seal holding member. The seal holding member includes a seal accommodating portion being configured to accommodate the seal member, and an insertion hole through which a piston rod is inserted. The seal member is pressed against an outer circumferential surface of the piston rod and the seal accommodating portion by working-fluid pressure in the extension-side chamber. And the bearing is provided such that a first end surface of the bearing facing the seal member matches an aperture plane of a through hole of the bearing holding member or such that the first end surface of the bearing projects out from the aperture plane of the through hole.
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公开(公告)号：US10138976B2
公开(公告)日：2018-11-27
申请号：US15030441
申请日：2014-09-26
申请人： KYB Corporation
发明人： Masahiro Miwa , Yuta Hoshino
IPC分类号： F16F9/348 , F16K47/04 , F16K31/122 , F16K15/16
摘要： A valve includes a valve disc that partitions one chamber and another chamber. The valve disc includes annular bosses and seats at each of the one chamber side and the other chamber side, and an auxiliary seat at the other chamber side. The boss is formed to support leaf valves. The seats are formed on outer peripheral sides of the respective bosses. At least one of the seats is disposed to project with respect to the boss of the corresponding chamber side. An outer peripheral end of the seat on the one chamber side is disposed on an outer peripheral side with respect to an outer peripheral end of the seat on the other chamber side. The auxiliary seat is formed on an outer peripheral side of the seat, and have a height equal to or greater than that of the seat on the other chamber side.
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公开(公告)号：US11536345B2
公开(公告)日：2022-12-27
申请号：US16979106
申请日：2019-03-28
申请人： KYB Corporation
发明人： Kenta Ishimaru , Kazuyuki Kimishima , Hirohito Mori , Masahiro Miwa , Gai Cho , Hisato Shii , Naoki Yasukouchi , Takahiro Owa
摘要： A valve seat member is provided with: a first seat arranged so as to be spaced apart from an opening of a port; a second seat connected to the first seat at both ends so as to surround the opening of the port; an island portion arranged on the first seat side of the opening of the port in a region surrounded by the first seat and the second seat such that a hollow space is formed between the island portion and the first seat; and a passage configured to extend through the island portion to allow communication between the port and the hollow space.
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公开(公告)号：US10167918B2
公开(公告)日：2019-01-01
申请号：US15029645
申请日：2014-09-26
申请人： KYB Corporation
发明人： Masahiro Miwa , Yuta Hoshino
IPC分类号： F16F9/348 , F16K31/122
摘要： A valve includes a valve disc and annular-plate shaped leaf valves. The leaf valves are laminated on each of the one chamber side and the other chamber side of the valve disc. The valve disc includes annular bosses and seats. The boss is formed at each of the one chamber side and the other chamber side to support the leaf valves. The seats are formed on outer peripheral sides of the respective bosses on the one chamber side and the other chamber side. The leaf valves are left from/seated on the seats. At least one of the seats on the one chamber side and the other chamber side are disposed to project with respect to the bosses. An outer peripheral end on the seat on the other chamber side is disposed on an outer peripheral side with respect to an outer peripheral end of the leaf valve.
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