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公开(公告)号：US20240125372A1
公开(公告)日：2024-04-18
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：US20230406443A1
公开(公告)日：2023-12-21
申请号：US18265149
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 , F16F2222/12 , F16F2228/066 , F16F2230/30 , F16F2230/0052 , F16F2232/08 , F16F2234/02
Abstract: A front fork (1) of the present invention includes: a fork main body (2) having a vehicle body side tube (3) and an axle side tube (4); a cap (5) placed in the vehicle body side tube (3); a cylinder (6) provided inside the axle side tube (4); a rod (7) inserted into the cylinder (6) so as to be movable in an axial direction; an electric device (6) mounted inside the cylinder (6); an electric wire (9) connected to the electric device (8); a suspension spring (10) biasing the fork main body (2) in an extending direction, and an adjuster (11) capable of adjusting a support position of a spring seat (12). The electric wire (9) is drawn from the cap (5) at a position misaligned from an axial center line of the fork main body (2) to an outside of the fork main body (2). An operational portion (17) of the adjuster (11) is provided in the cap (5) at a position misaligned from the axial center line (A).
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公开(公告)号：US10946927B2
公开(公告)日：2021-03-16
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：US10533623B2
公开(公告)日：2020-01-14
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：US09874263B2
公开(公告)日：2018-01-23
申请号：US15165996
申请日：2016-05-26
Applicant: KYB Motorcycle Suspension Co., Ltd.
Inventor： Nobuhiro Noguchi
IPC: B60G11/27 , F16F9/58 , F16F9/06 , F16F9/02 , F16F13/00 , F16F5/00 , F16F9/18 , B60G17/08 , B60G17/052
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.
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Patent Agency Ranking
公开(公告)号：US20240343338A1
公开(公告)日：2024-10-17
申请号：US18292583
申请日：2021-12-20
Applicant: KYB Motorcycle Suspension Co.,Ltd.
Inventor： Osamu MIYAZAKI , Kei SUZAKI
IPC: B62K25/08
CPC classification number: B62K25/08
Abstract: A front fork (1) includes: a fork main body (2) that includes a tube member (3) including a vehicle body side tube (3a) and an axle side tube (3b), and a suspension spring (4) that biases the tube member (3) in a stretching direction; a cap (5) that includes a cylindrical portion (5a) and a lid portion (5b) continuing to the outer circumference of the cylindrical portion (5a), and closes the opening end of the vehicle body side tube (3a); a washer (6) that supports the upper end of the suspension spring (4); an adjuster (7) that includes a shaft portion (7a) screwed to the washer (6), a flange portion (7b) provided at the rear end of the shaft portion (7a), and an operation shaft portion 7c extending from an opposite shaft portion side of the flange portion (7b), and that is rotatably inserted into the cylindrical portion 5a; and a stopper member (8) that is placed on the inner circumference of the cylindrical portion (5a) and prevents the adjuster (7) from being detached from the cap (5).
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公开(公告)号：US20220242518A1
公开(公告)日：2022-08-04
申请号：US17626695
申请日：2020-07-20
Applicant: KYB MOTORCYCLE SUSPENSION CO., LTD.
Inventor： Soudai SHIMAUCHI
Abstract: In order to achieve the above object, a front fork in means for solving the problem of the present invention includes: a telescopic fork main body that includes a vehicle body side tube and an axle side tube and is capable of extending and contracting; a cap that is attached to a vehicle body side end of the vehicle body side tube; a cylinder that is provided in the axle side tube; a tubular rod that is inserted into the cylinder so as to be axially movable and has one end connected to the cap; an electric device that is accommodated in the cylinder; a terminal that is provided in the cap; and a connector that is provided partway in a wiring connected to the terminal and the electric device and capable of electrically connecting and disconnecting the terminal and the electric device.
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公开(公告)号：US11384811B2
公开(公告)日：2022-07-12
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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公开(公告)号：US11181162B2
公开(公告)日：2021-11-23
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：US20200148301A1
公开(公告)日：2020-05-14
申请号：US16631043
申请日：2018-09-05
Applicant: KYB MOTORCYCLE SUSPENSION CO., LTD.
Inventor： Wataru ISHIHARA , Takahiko JINNOUCHI
IPC: B62K25/08
Abstract: The front fork of the present invention has a wheel-side bracket that closes another end of an inner tube which is movably inserted inside an outer tube from one end thereof; a cylinder provided inside the inner tube; and a head member that is fitted to the cylinder side on the opposite side from the wheel-side bracket, in which the cylinder and the head member are sandwiched, while subjected to an axial force, by a fastening portion formed on the inner tube and the wheel-side bracket.
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