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公开(公告)号：US20200217391A1
公开(公告)日：2020-07-09
申请号：US16330547
申请日：2017-09-06
Applicant: YAMASHITA RUBBER CO., LTD.
Inventor： Hirokazu Kadowaki
Abstract: An anti-vibration device is provided with: an anti-vibration device body, in which an insulator is disposed between a first attachment member and a second attachment member; and a bracket, which has opposing wall portions and to which the anti-vibration device body is fixed by press-fitting via the second attachment member between the wall portions. The second attachment member is provided with interlocking portions that interlock with the wall portions and restrain the anti-vibration device body from moving in the direction opposite the press-fitting direction when the anti-vibration device body is press-fitted to the bracket. Each of the interlocking portions is configured so as to have an arm part extending in the direction opposite the press-fitting direction, and a hook part provided to the extension-direction end of the arm part and caused to interlock with a to-be-interlocked part of one of the wall portions.
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公开(公告)号：US20190242454A1
公开(公告)日：2019-08-08
申请号：US16340880
申请日：2017-10-12
Applicant: YAMASHITA RUBBER CO., LTD. , HONDA MOTOR CO., LTD.
Inventor： Yuichi Nakamaru , Kazumi Mikami
Abstract: A vibration-damping device includes an inner cylinder, a resin outer cylinder that is arranged on a radially outer side of the inner cylinder, and a rubber elastic body that couples the inner cylinder and the outer cylinder to each other. The outer cylinder includes: a press-insertion portion that is press-inserted into an insertion hole formed in an attachment member; and a tapered portion that is contiguous with the press-insertion portion and extends in a direction in which the press-insertion part is inserted into the attachment member. The tapered portion has a tapered shape having a decreasing diameter in the press-insertion direction. An outer surface of the tapered portion is formed to be parallel to a tapered guide surface provided on an insertion opening of the insertion hole of the attachment member.
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公开(公告)号：US09982744B2
公开(公告)日：2018-05-29
申请号：US15474537
申请日：2017-03-30
Applicant: Yamashita Rubber Co., Ltd.
Inventor： Hirokazu Kadowaki
CPC classification number: F16F13/10 , B60K5/1208 , F16F13/103 , F16F15/022
Abstract: A liquid-sealed vibration damping device is provided that allows an outer cylindrical member to have a substantially uniform interference margin in the circumferential direction, while improving an assembling property. A second mounting member mounted on a non-vibration source includes: a first frame in a cylindrical shape that is connected to a lower portion of an insulator; a second frame in a cylindrical shape that holds a partition member arranged below the insulator; and a connector that connects the first frame with the second frame. The connector includes: engaging parts that are arranged on the first frame; and elastic hook parts that are arranged on the second frame. The elastic hook parts are arranged at intervals on each of main frame parts in the circumferential direction thereof, and the elastic hook parts arranged on corners have lower rigidity than those arranged on the main frame parts.
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公开(公告)号：US09731586B2
公开(公告)日：2017-08-15
申请号：US14993763
申请日：2016-01-12
Applicant: YAMASHITA RUBBER CO., LTD. , HONDA MOTOR CO., LTD.
Inventor： Kazuyuki Sakamoto , Benjamin Linfield
CPC classification number: B60K5/1208 , F16F1/3849 , F16M13/02
Abstract: A mount apparatus that achieves both space saving and weight saving and is excellent in fatigue strength, is provided. The mount apparatus comprises a pair of attachment parts to be attached to a car body, a vibration receiving part, fixed to the attachment parts, for receiving input vibrations from a vibration source through an elastic material, and a dropout prevention plate supporting the vibration receiving part, the attachment parts and the vibration receiving part being made of resin, wherein the dropout prevention plate is arranged so as to cover an outer surface of the vibration receiving part at a predetermined interval from the outer surface of the vibration receiving part, wherein both ends of the dropout prevention plate is fixed through the pair of attachment parts to the car body.
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公开(公告)号：US20160290433A1
公开(公告)日：2016-10-06
申请号：US14777777
申请日：2014-03-19
Applicant: YAMASHITA RUBBER CO., LTD.
Inventor： Yutaka SHINOHARA
CPC classification number: F16F13/1463 , B60G7/008 , B60G2204/143 , B60G2204/4106
Abstract: A pair of fluid chambers in which incompressible fluid is sealed and a pair of orifice-forming members that allows one fluid chamber to communicate with the other fluid chamber are arranged between an inner cylinder and an outer cylinder. The orifice-forming member has a longitudinal groove that communicates with respective fluid chambers, an orifice channel, and a liquid storage section that allows the longitudinal groove to communicate with the orifice channel. The liquid storage section is formed wider and deeper than the orifice channel.
Abstract translation: 密封不可压缩流体的一对流体室和允许一个流体室与另一个流体室连通的一对孔口形成构件设置在内筒和外筒之间。 孔口形成构件具有与相应流体室连通的纵向槽，孔口通道和允许纵向槽与孔口通道连通的储液部。 液体储存部形成为比孔口更宽更深。
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Patent Agency Ranking
公开(公告)号：US20230029434A1
公开(公告)日：2023-01-26
申请号：US17865404
申请日：2022-07-15
Applicant: YAMASHITA RUBBER CO., LTD. , HONDA MOTOR CO., LTD.
Inventor： Hideyuki SHIMIZU , Taiki KOSEKI , Toshio INOUE , Yuho ITO
IPC: H01F1/44
Abstract: A magnetorheological fluid utilizing properties of thixotropic agents and having well-balanced sedimentation properties includes: a magnetic material; a medium to allow the magnetic material to be dispersed therein; and at least one dispersant selected from sepiolite and smectite or a dispersant including sepiolite and bentonite.
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公开(公告)号：US20220176792A1
公开(公告)日：2022-06-09
申请号：US17543043
申请日：2021-12-06
Applicant: YAMASHITA RUBBER CO., LTD.
Inventor： Hirokazu Kadowaki
Abstract: A torque rod includes a rod body, a large round portion, and a small round portion. The large round portion is provided at one end of the rod body. The small round portion is provided at the other end of the rod body. The large round portion includes an outer portion, an inner portion, and a joint portion. The outer portion has a tubular shape. The inner portion is provided on an inner side of the outer portion and has an annular opening to which an attaching member is attached. The joint portion elastically joins the outer portion and the inner portion. The inner portion includes a base portion and an extending portion. The base portion has the opening formed therein. The extending portion extends from the base portion toward the small round portion. The joint portion is provided between the extending portion and the outer portion.
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公开(公告)号：US20220127891A1
公开(公告)日：2022-04-28
申请号：US17525493
申请日：2021-11-12
Applicant: YAMASHITA RUBBER CO., LTD. , HONDA MOTOR CO., LTD.
Inventor： Yuichi Nakamaru , Hideyuki Koguchi , Yasunobu Kurota , Takashi Kondo , Hideki Matsuoka
IPC: E05F3/10
Abstract: A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed, the insulator serving as a wall portion of the main liquid chamber; an auxiliary liquid chamber divided from the main liquid chamber by a partition member and having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has an inner gap in the shape of a recess, and a part of the diaphragm is inserted into the inner gap.
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公开(公告)号：US11143266B2
公开(公告)日：2021-10-12
申请号：US15569762
申请日：2016-04-28
Applicant: YAMASHITA RUBBER CO., LTD.
Inventor： Hirokazu Kadowaki
Abstract: The present invention provides a liquid-sealed vibration-damping device capable of improving damping performance while preventing increase in size and weight thereof, the liquid-sealed vibration-damping device including: a first attachment member; a second attachment member; an insulator; a vibration-damping unit having a partition member; and a housing space provided in the second attachment member and housing the vibration-damping unit, wherein the second attachment member includes an outer tubular part and a fixing part protruding from the outer tubular part; and a portion of the housing space extends to the fixing part.
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公开(公告)号：US20210138979A1
公开(公告)日：2021-05-13
申请号：US17086804
申请日：2020-11-02
Applicant: YAMASHITA RUBBER CO., LTD. , HONDA MOTOR CO., LTD.
Inventor： Akira Hoshino , Shuhei Kaneda , Hideaki Sasaki , Keizo Konishi , Keisuke Katsumata
Abstract: There is provided a maintenance cover member including: a cover body for closing an opening of a power train of a vehicle; and a vibration suppressing member attached to a surface of the cover body. There is also provided a maintenance cover member including: a cover body for closing an opening of a power train of a vehicle; and a plurality of vibration suppressing members attached to a surface of the cover body. Adjacent vibration suppressing members are disposed spaced apart from each other.
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