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公开(公告)号：US20200340547A1
公开(公告)日：2020-10-29
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：US20180087594A1
公开(公告)日：2018-03-29
申请号：US15558627
申请日：2016-03-04
Applicant: KYB MOTORCYCLE SUSPENSION Co., Ltd.
Inventor： Takeshi TOMIUGA
Abstract: A front fork includes a tubular cylinder; a free piston slidably inserted into the cylinder to partition the cylinder into a pressure chamber and a reservoir; a piston slidably inserted into the cylinder to partition the pressure chamber into an extension-side chamber and a contraction-side chamber; a piston rod having one end connected to the piston and the other end side extending oppositely to the free piston side and protruding outward of the cylinder; a passage configured to allow the pressure chamber and the reservoir to communicate with each other; and a check valve provided in the passage and configured to allow only a flow of the hydraulic fluid from the reservoir to the pressure chamber.
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公开(公告)号：US20160363184A1
公开(公告)日：2016-12-15
申请号：US15165965
申请日：2016-05-26
Applicant: KYB Motorcycle Suspension Co., Ltd.
Inventor： Nobuhiro NOGUCHI , Masashi SUMIDA
CPC classification number: F16F9/062 , B62K25/20 , B62K25/283 , B62K2201/08 , F16F9/43 , F16F9/585
Abstract: A damper includes a cylinder, a rod movably inserted in the cylinder, a tube member connected to the rod and forming a first air chamber that is enlarged and reduced in capacity by relative movement of the cylinder and the rod, a bracket provided at an end portion of the rod protruding from the cylinder, a first air passage formed in the bracket and the rod and communicating with the first air chamber, and an air valve attached to the bracket to be provided at an end portion of the first air passage on one side.
Abstract translation: 阻尼器包括气缸，可移动地插入气缸中的杆，连接到杆的管构件，并形成通过气缸和杆的相对运动而在容量上扩大和减小的第一空气室;设置在端部的支架 所述杆从所述气缸突出的部分，形成在所述支架和所述杆中并与所述第一空气室连通的第一空气通道以及附接到所述支架的空气阀，以在所述第一空气通道的端部上设置在一个 侧。
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公开(公告)号：US12044285B2
公开(公告)日：2024-07-23
申请号：US17768380
申请日：2021-02-16
Applicant: KYB MOTORCYCLE SUSPENSION CO., LTD.
Inventor： Shin Tanaka
IPC: F16F9/44
CPC classification number: F16F9/446
Abstract: A valve adjustment device according to the present invention includes: a shaft having a screw portion on an outer periphery, the shaft being displaceable in an axial direction by rotation in a peripheral direction, the shaft applying displacement to a valve that changes resistance applied to a flow of hydraulic oil (fluid) by transmission of the displacement; a ball received in a hole opening in a radial direction from a side of the shaft; a spring received in the hole and biasing the ball outward from the hole; and a notch case that has a tubular shape, into which the shaft is inserted, and that has a plurality of detent grooves that is provided along the axial direction on an inner periphery to receive the ball fitted thereinto. At least one of the detent grooves is shorter than the other detent grooves.
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公开(公告)号：US20210148432A1
公开(公告)日：2021-05-20
申请号：US17048835
申请日：2019-06-04
Applicant: KYB MOTORCYCLE SUSPENSION CO., LTD.
Inventor： Takeshi MORI , Hideaki OGURA
Abstract: A shock absorber includes a bypass passage that is open from the side of a piston rod and causes an extension side chamber and a compression side chamber, which are divided by a piston in a cylinder, to communicate with each other; a shutter that is mounted on an outer circumference of the piston rod to be movable in an axial direction and opens or closes the bypass passage; and a coil spring that connects a rod guide mounted on one end portion of the cylinder and the shutter.
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Patent Agency Ranking
公开(公告)号：US10370059B2
公开(公告)日：2019-08-06
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：US10202167B2
公开(公告)日：2019-02-12
申请号：US15562048
申请日：2016-04-06
Applicant: KYB Motorcycle Suspension Co., Ltd.
Inventor： Takeshi Tomiuga
Abstract: A front fork is provided with a plurality of adjusters, while including a spring adjuster. In a front fork according to the means for solving the problem of the present invention, a spring adjuster is rotatably mounted on a position eccentric to a center of a cap as viewed in an axial direction and includes a screw portion disposed in an outer periphery protruded into a fork main body, and a plate in which the screw portion of the spring adjuster is screwed to change support positions of a suspension spring is brought into contact with a case (tubular member) at two points on both sides in a circumferential direction of the normal of the case that passes a mounting center of the spring adjuster. Accordingly, while being prevented from rotating, the plate can be downsized and can be disposed so as not to interfere with first and second adjusters.
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公开(公告)号：US20180112735A1
公开(公告)日：2018-04-26
申请号：US15562885
申请日：2016-03-23
Applicant: KYB MOTORCYCLE SUSPENSION Co., Ltd.
Inventor： Takeshi TOMIUGA
CPC classification number: F16F9/432 , B62K25/08 , F16F9/36 , F16F9/362 , F16F13/007 , F16F2230/06
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：US20180105225A1
公开(公告)日：2018-04-19
申请号：US15562048
申请日：2016-04-06
Applicant: KYB Motorcycle Suspension Co., Ltd.
Inventor： Takeshi TOMIUGA
Abstract: There is provided a front fork provided with a plurality of adjusters, while including a spring adjuster. In order to achieve the above object, in a front fork F according to the means for solving the problem of the present invention, a spring adjuster A is rotatably mounted on a position eccentric to a center O of a cap 4 as viewed in an axial direction and includes a screw portion 35 disposed in an outer periphery protruded into a fork main body 1, and a plate P in which the screw portion 35 of the spring adjuster A is screwed to change support positions of a suspension spring S is brought into contact with a case (tubular member) 14a at two points on both sides in a circumferential direction of the normal of the case 14a that passes a mounting center of the spring adjuster A. Accordingly, while being prevented from rotating, the plate P can be downsized and can be disposed so as not to interfere with first and second adjusters 5, 6.
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公开(公告)号：US20250033734A1
公开(公告)日：2025-01-30
申请号：US18760056
申请日：2024-07-01
Applicant: KYB Motorcycle Suspension Co.,Ltd.
Inventor： Kimiaki MAKINO
IPC: B62K25/08
Abstract: A front fork includes: an upper tube; a lower tube that is relatively movable in an axial direction with respect to the upper tube; and an axle bracket screwed to an outer periphery of a lower end portion of the lower tube, in which the lower tube has a screw thread formed on an outer periphery of a diameter-reduced portion that is reduced in diameter by plastic deformation by rolling at the lower end portion of the lower tube and the axle bracket is screwed to the screw thread.
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