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公开(公告)号：US10458507B2
公开(公告)日：2019-10-29
申请号：US15562885
申请日：2016-03-23
Applicant: KYB MOTORCYCLE SUSPENSION Co., Ltd.
Inventor： Takeshi Tomiuga
Abstract: A front fork includes a fork main body, a damper cartridge, and a closing member. The damper cartridge includes a cylinder, a piston mounted on a piston rod, and a rod guide which guides the piston rod and to which a fluid filling port that allows the outside of the cylinder to communicate with the fluid chamber is provided. The closing member is provided on the rod guide and closes the fluid filling port.
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公开(公告)号：US20190168839A1
公开(公告)日：2019-06-06
申请号：US16203852
申请日：2018-11-29
Applicant: KYB MOTORCYCLE SUSPENSION CO., LTD.
Inventor： Nobuhiro NOGUCHI
Abstract: A shock absorber includes a cylinder including a working chamber therein; a rod configured to be axially movably inserted into the cylinder; and a plurality of tanks configured to be integrally attached to the cylinder, wherein an interior of one of the tanks is comparted into a liquid chamber configured to be communicated with the working chamber and filled with liquid and an air chamber filled with gas, and a sub-air chamber configured to be communicated with the air chamber is formed in the other tank.
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公开(公告)号：US20180079466A1
公开(公告)日：2018-03-22
申请号：US15562118
申请日：2016-04-06
Applicant: KYB Motorcycle Suspension Co., Ltd.
Inventor： Takeshi TOMIUGA
Abstract: There is provided a front fork which has a small number of components with simple structure and is easy to assemble. In order to achieve the above object, in a front fork F according to the means for solving the problem of the present invention, first and second adjusters 5, 6 are mounted on a cap 4 so as to be axially movable, and a contact portion 52 of the first adjuster 5 in contact with a first adjustment rod 7 and a contact portion 62 of the second adjuster 6 in contact with a second adjustment rod 8 are displaced in an axial direction of a vehicle body tube 2 so as not to interfere with each other. Therefore, even when each of the first and second adjusters 5, 6 moves in the axial direction with respect to the cap 4, the corresponding first and second adjustment rods 7, 8 can be moved independently without being interfered with each other.
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公开(公告)号：US20160363185A1
公开(公告)日：2016-12-15
申请号：US15165996
申请日：2016-05-26
Applicant: KYB Motorcycle Suspension Co., Ltd.
Inventor： Nobuhiro NOGUCHI
CPC classification number: F16F9/585 , B60G11/27 , B60G17/052 , B60G17/08 , F16F5/00 , F16F9/0209 , F16F9/06 , F16F9/18 , F16F13/002
Abstract: To achieve the object described above, a shock absorber to solve the problem of the present invention includes a cover that covers an outer periphery of a cylinder which a reaction force air chamber forming member is slid ably in contact with, so that a slidable movement surface of the cylinder on which the reaction force air chamber forming member slidably moves is protected by the cover. Therefore, the slidable movement surface of the cylinder is not damaged by being hit by a flying stone or the like, an air tight property of the reaction force air chamber is maintained, and characteristics of an air spring included in the shock absorber do not change.
Abstract translation: 为了实现上述目的，为了解决本发明的问题的减震器包括覆盖反作用力空气室形成部件滑动地抵接的气缸的外周的盖，使得可滑动的移动面 反作用力空气室形成构件可滑动地移动的气缸被盖保护。 因此，气缸的可滑动运动表面不会被飞石等撞击而被损坏，所以反作用力空气室的气密特性得以维持，减振器中包括的空气弹簧的特性不变 。
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Patent Agency Ranking
公开(公告)号：US20240059116A1
公开(公告)日：2024-02-22
申请号：US18269687
申请日：2021-09-24
Applicant: KYB Motorcycle Suspension Co., Ltd.
Inventor： Yuta MATSUBARA , Shohei AMADA , Nobuhiro NOGUCHI
IPC: B60G15/02
CPC classification number: B60G15/02 , B60G2204/1242 , B60G2204/4232
Abstract: A shock absorber according to the present invention is configured to include: a shock absorber main body in which an outer tube and a rod axially movably inserted into the outer tube are included; a suspension spring formed of a coil spring disposed on the outer periphery of the shock absorber main body; a rod-side spring seat attached to the rod and supporting one end of the suspension spring; an annular tube-side spring seat screwed to a screw portion provided on the outer periphery of the outer tube and supporting the other end of the suspension spring; a slider to be placed on the outer periphery of the outer tube with only an axial movement is permitted; a connecting portion that detachably connects the tube-side spring seat to the slider; and a rotation regulating portion that regulates a rotation of the tube-side spring seat and the slider relative to each other about the axis of the outer tube in a state where the tube-side spring seat and the slider are connected to each other.
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公开(公告)号：US20240034429A1
公开(公告)日：2024-02-01
申请号：US18265359
申请日：2021-12-10
Applicant: KYB Motorcycle Suspension Co.,Ltd. , KYB Corporation
Inventor： Hidetoshi SUGAWARA , Naoki ITO , Takumi HAYASHIGUCHI , Hirokatsu MAEDA
CPC classification number: B62K25/08 , F16F13/007 , F16B7/18 , F16F2230/007 , F16F2230/18 , F16F2228/066 , F16F2222/12
Abstract: A front fork (1) according to the present invention includes: a fork main body (2) including a vehicle body side tube (3) and an axle side tube (4); a cap body (5) attached to a vehicle body side tube (3); a cylinder (6) provided in the axle side tube (4); a cylindrical rod (7) axially movably inserted into the cylinder (6); an electric device (8) housed in the cylinder (6); and a wire (9) that is inserted into the rod (7), passes through the cap (C), and is drawn out from the fork main body (2) and is connected to the electric device (8), in which the connection tube (13b) and the rod (7) in the cap (C) are connected by a connection nut (27) that is rotatably mounted on an outer circumference of one of the connection tube (13b) and the rod (7) and is restricted in movement in the axial direction toward the other, and screwed to the other.
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公开(公告)号：US11359690B2
公开(公告)日：2022-06-14
申请号：US16759571
申请日：2019-01-31
Applicant: KYB MOTORCYCLE SUSPENSION CO., LTD.
Inventor： Takaaki Nakano , Yuta Matsubara
Abstract: A shock absorber includes: a collar which is mounted on an outer circumference of a cylinder movable in the axial direction with respect to an inner tube in which a liquid is stored and supports one end of a suspension spring. The collar has: an annular mounting portion whose one end is supported by the cylinder; an annular sliding contact portion provided to be closer to the suspension spring than the mounting portion and in sliding contact with an inner circumference of the inner tube; a truncated cone-shaped body portion that connects the mounting portion and the sliding contact portion and has a hole formed to apply a resistance against a flow of a liquid moving inside and outside the collar; and a rib formed on an inner circumference of the body portion along the axial direction.
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公开(公告)号：US20210131518A1
公开(公告)日：2021-05-06
申请号：US16629501
申请日：2018-09-05
Applicant: KYB MOTORCYCLE SUSPENSION CO., LTD.
Inventor： Mikio ITO
Abstract: A shock absorber has a rod that is retractably inserted in an axial direction inside the cylinder, a piston that is provided at a tip of the rod and partitions the inside of the cylinder into an extension-side chamber and a compression-side chamber, a rod guide that is provided at an open end of the cylinder and axially supports the rod, a subcylinder that is provided on the rod guide and forms an annular gap between itself and the cylinder, and a subpiston that is provided on an outer periphery of the rod closer to a base end thereof than the piston, that has an outer periphery in sliding contact with an inner periphery of the cylinder, and that is capable of leaving and entering the annular gap.
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公开(公告)号：US20210122440A1
公开(公告)日：2021-04-29
申请号：US16605374
申请日：2018-06-11
Applicant: KYB MOTORCYCLE SUSPENSION CO., LTD.
Inventor： Nobuhiro NOGUCHI
Abstract: A damper includes a cylinder, a piston rod axially movably inserted into the cylinder, and a spring member that is provided on an outer circumference of the piston rod and between the piston and a rod guide coming close to each other when extended, and biases the piston and the rod guide in a direction to separate them from each other when compressed. The spring member includes a first spring, a second spring that is arranged in series with the first spring, and a restricting portion that restricts contraction of the first spring before the first spring and the second spring reach their close contact heights.
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