公开(公告)号：US20190277365A1

公开(公告)日：2019-09-12

申请号：US16335198

申请日：2017-09-15

Applicant: KYB Corporation

Inventor： Naoki KUBOTA ,  Hideaki TAKEUCHI

IPC: F16F9/36 ,  F16F9/19 ,  F16J15/3232

Abstract: A shock absorber includes a cylinder, a piston, a piston rod, and a rod guide provided on an inside end portion of the cylinder so as to support the piston rod to be free to slide, wherein the rod guide includes a retainer attached to an inner peripheral surface of the cylinder so as to face an extension-side chamber, a bearing that supports the piston rod to be free to slide, a main seal provided between the bearing and the retainer, and a seal holder that is provided on a radial direction outer side of the main seal and has an annular recess formed in a surface thereof that opposes the retainer, and a seal holder presses the main seal against an outer peripheral surface of the piston rod upon reception of working oil pressure led into the annular recess from the extension-side chamber.

公开(公告)号：US20170037922A1

公开(公告)日：2017-02-09

申请号：US15305194

申请日：2015-05-14

Applicant: KYB Corporation

Inventor： Hideaki TAKEUCHI

IPC: F16F9/36 ,  F16F9/19 ,  B60G15/06

CPC classification number: F16F9/362 ,  B60G15/06 ,  B60G2206/40 ,  F16F9/061 ,  F16F9/19 ,  F16F9/36 ,  F16F9/526 ,  F16F2230/30

Abstract: A damper includes a cylinder, an annular rod guide, a rod, an annular oil seal, and an annular seal holder. The cylinder internally forms an action chamber. The rod guide is secured to one side opening of the cylinder. The rod is inserted through an inner peripheral side of the rod guide so as to be axially movable. The oil seal is installed to the action chamber side of the rod guide to be slidably in contact with an outer peripheral surface of the rod. The seal holder supports the oil seal from the action chamber side. The rod guide includes a holding portion to hold the seal holder.

Abstract translation: 阻尼器包括气缸，环形杆引导件，杆，环形油封和环形密封件保持器。 气缸内部形成动作室。 杆导向件固定在气缸的一侧开口。 杆被插入通过杆导向件的内周侧以便可轴向移动。 油封安装在杆导向件的动作室侧，以与杆的外周表面可滑动地接触。 密封支架支撑动作室侧的油封。 杆引导件包括用于保持密封保持器的保持部分。

公开(公告)号：US20180105005A1

公开(公告)日：2018-04-19

申请号：US15841446

申请日：2017-12-14

Applicant: KYB Corporation

Inventor： Hideaki TAKEUCHI

IPC: B60G15/06 ,  F16F1/38 ,  F16F1/12

CPC classification number: B60G15/063 ,  B60G15/062 ,  B60G2202/31 ,  B60G2202/312 ,  B60G2204/1242 ,  B60G2204/12422 ,  B60G2204/4308 ,  B60G2204/45 ,  B60G2206/41 ,  B60G2206/8201 ,  B60G2206/821 ,  F16F1/128 ,  F16F1/38 ,  F16F2230/007

Abstract: A shock absorber provided with a suspension spring, the shock absorber includes a tube whose lower end portion is joined to a vehicle axle side portion provided with a tire, and a lower spring bearing that is provided on an outer circumference of the tube and supports a lower end of the suspension spring. An increased diameter part is provided on the outer circumference of the tube above the lower spring bearing, the increased diameter part having an outer diameter larger than an outer diameter of the tube.

公开(公告)号：US20170138432A1

公开(公告)日：2017-05-18

申请号：US15304881

申请日：2015-05-14

Applicant: KYB Corporation

Inventor： Hideaki TAKEUCHI

IPC: F16F9/36 ,  F16F9/58 ,  B60G15/06 ,  F16F9/32 ,  F16F13/04

CPC classification number: F16F9/362 ,  B60G15/06 ,  B60G2202/20 ,  B60G2206/41 ,  B60G2800/162 ,  F16F9/061 ,  F16F9/065 ,  F16F9/32 ,  F16F9/3235 ,  F16F9/3242 ,  F16F9/36 ,  F16F9/58 ,  F16F9/585 ,  F16F13/04

Abstract: A damper includes a cylinder, an annular rod guide, an annular seat, a rod, an annular oil seal, a rebound cushion, and a communication passage. The cylinder houses an action chamber. The rod guide is secured to one side opening of the cylinder. The seat is secured to the rod guide. The rod is inserted through inner peripheral sides of the rod guide and the seat. The oil seal is held to an inner periphery of the rod guide and slidably in contact with an outer peripheral surface of the rod. The rebound cushion bumps against the seat. The communication passage transmits a pressure in the action chamber to the oil seal. An opening on the communication passage on the action chamber side is disposed on an outer peripheral side relative to a part of the seat against which the rebound cushion bumps.

公开(公告)号：US20170074344A1

公开(公告)日：2017-03-16

申请号：US15309039

申请日：2015-05-14

Applicant: KYB Corporation

Inventor： Hideaki TAKEUCHI

IPC: F16F9/36

CPC classification number: F16F9/362 ,  F16F9/061 ,  F16F9/32

Abstract: A damper includes a tubular member that internally forms an action chamber, an annular rod guide secured to one side opening of the tubular member, a rod inserted through an inside of the rod guide so as to be axially movable, an oil seal installed to the action chamber side of the rod guide and seal an outer periphery of the rod, and a sealing member stacked on a side of the rod guide opposite to the action chamber, wherein the sealing member includes a dust seal that seals the outer periphery of the rod, and an outer peripheral seal that seals a gap between the tubular member and the rod guide.

Abstract translation: 阻尼器包括内部形成动作室的管状构件，固定到管状构件的一侧开口的环形杆导向件，通过杆引导件的内部插入以便可轴向移动的杆， 所述杆引导件的动作室侧密封所述杆的外周;以及密封构件，所述密封构件堆叠在所述杆导向件与所述动作室相反的一侧，其中，所述密封构件包括密封所述杆的外周的防尘密封件 以及密封管状构件和杆引导件之间的间隙的外周密封件。

公开(公告)号：US20190226548A1

公开(公告)日：2019-07-25

申请号：US16333083

申请日：2017-09-11

Applicant: KYB Corporation

Inventor： Masahiro MIWA ,  Hideaki TAKEUCHI

IPC: F16F9/36 ,  F16F9/32

Abstract: A shock absorber includes a cylinder tube, a damping-force generating portion, a rod, an annular guide portion, and an annular support portion provided to project from an inner circumferential surface of the cylinder tube, the support portion being configured to support the guide portion, wherein the guide portion has an opposing surface formed to oppose the inner circumferential surface of the cylinder tube, and a contacting surface in contact with the support portion, the contacting surface being inclined with respect to the opposing surface, and the contacting surface is formed so as to be, as a whole, inclined with respect to the opposing surface.

公开(公告)号：US20180266511A1

公开(公告)日：2018-09-20

申请号：US15762717

申请日：2016-09-08

Applicant: KYB Corporation

Inventor： Hideaki TAKEUCHI

IPC: F16F9/36 ,  F16F9/32

CPC classification number: F16F9/362 ,  F16F9/3228 ,  F16F9/36 ,  F16F9/368 ,  F16J15/18

Abstract: A shock absorber includes a piston rod and a rod guide provided to one end within the cylinder, the rod guide slidably supporting the piston rod. The rod guide has a retainer facing the extension-side chamber, the retainer being attached to the inner peripheral surface of the cylinder; a bearing slidably supporting the piston rod; a main seal provided between the bearing and the retainer; and a seal holder provided to the outside in the radial direction of the main seal in a state of being compressed in the axial direction by the bearing and the retainer, the seal holder pressing the main seal to the outer peripheral surface of the piston rod.