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    Brake device
    1.
    发明授权
    Brake device 有权

    公开(公告)号：US10690206B2

    公开(公告)日：2020-06-23

    申请号：US15763051

    申请日：2016-09-16

    Applicant: KYB Corporation

    Inventor： Tsutomu Suzuki

    IPC: F16D65/56 ,  F16D55/2255 ,  F16D65/18 ,  B61H5/00 ,  F16D41/064 ,  F16D55/224

    Abstract: A brake device includes: an extendable and contractable coupling member that couples one end portions of a pair of link arms to each other; and an adjuster that causes the coupling member to extend so that positions of brake linings relative to brake discs are adjusted to be constant. The adjuster includes: an extension mechanism that has an extension shaft with a male thread and an extension nut with a female thread, which is threadedly engaged with the male thread, and causes the coupling member to extend; and a pressing spring that presses the extension nut in an axial direction toward a contact surface, which is provided in a main body recess portion housing the extension nut and is in contact with one end portion of the extension nut.

    Parking brake unit
    2.
    发明授权
    Parking brake unit 有权

    公开(公告)号：US10260578B2

    公开(公告)日：2019-04-16

    申请号：US15503235

    申请日：2015-07-22

    Applicant: KYB Corporation

    Inventor： Tsutomu Suzuki

    IPC: F16D55/224 ,  B61H5/00 ,  B60T13/22 ,  F16D65/28 ,  F16D121/04 ,  F16D125/58 ,  F16D125/64

    Abstract: A parking brake unit of a brake device for braking a wheel includes a first piston having a first engaging part on an inner circumference thereof, the first piston being configured to move in first direction by pressure of the hydraulic fluid supplied to a pressure chamber defined in the back thereof, a first biasing member configured to bias the first piston in second direction, opposite to the first direction, a second piston slidably provided on the inner circumference of the first piston, the second piston having a second engaging part on an outer circumference thereof, and an engaging member configured to cause the first engaging part and the second engaging part to engage with each other, in which the second piston causes a brake lining to move in direction bringing the wheel to be in a braking state, when the first piston moves in the second direction.

    Brake device
    3.
    发明授权
    Brake device 有权

    公开(公告)号：US10161466B2

    公开(公告)日：2018-12-25

    申请号：US15556780

    申请日：2016-03-03

    Applicant: KYB Corporation

    Inventor： Tsutomu Suzuki

    IPC: F16D65/56 ,  B61H5/00 ,  F16D65/18 ,  F16D65/54 ,  F16D65/00 ,  F16D65/092

    Abstract: The brake device includes a coupling member configured to couple one end portions of a pair of link arms to each other, the coupling member being extendable and contractable; and an adjuster configured to cause the coupling member to extend. The adjuster includes: an extension mechanism having an extension shaft provided with a male thread and an extension nut provided with a female thread configured to be screwed with the male thread; and a resistance imparting portion configured to impart resistance to the rotation of the extension nut. The resistance imparting portion includes: a sliding contact portion having an end gap, the inner circumference of the sliding contact portion being in sliding contact with the outer circumference of the extension nut; and a coil spring configured to impart a frictional force to the extension nut by biasing the sliding contact portion in the direction of closing of the end gap.

    Leveling valve
    5.
    发明授权
    Leveling valve 有权

    公开(公告)号：US10035523B2

    公开(公告)日：2018-07-31

    申请号：US15027437

    申请日：2013-11-26

    Applicant: KYB Corporation

    Inventor： Tsutomu Suzuki ,  Yusuke Endo

    IPC: B61F15/22 ,  B61F5/22 ,  B61F5/10

    CPC classification number: B61F5/22 ,  B61F5/10

    Abstract: A leveling valve includes an actuator arm that rotates due to a restoring force of a buffer spring, and a connecting valve that is opened by the actuator arm against air pressure. The connecting valve includes a first valve body that is opened by being pressed by the actuator arm, a second valve body from/on which the first valve body is separated/seated, a sleeve from/on which the second valve body is separated/seated, and an engaging portion that is provided to the second valve body and engages with the first valve body when the first valve body has moved by a predetermined distance after the first valve body is opened. A pressure receiving area of the second valve body is larger than a pressure receiving area of the first valve body.

    Brake apparatus
    6.
    发明授权
    Brake apparatus 有权

    公开(公告)号：US09932051B2

    公开(公告)日：2018-04-03

    申请号：US15126309

    申请日：2015-07-08

    Applicant: KYB Corporation

    Inventor： Tsutomu Suzuki

    IPC: F16D55/22 ,  B61H5/00 ,  F16D55/2255 ,  F16D65/18 ,  F16D125/68

    CPC classification number: B61H5/00 ,  F16D55/2245 ,  F16D55/2255 ,  F16D65/18 ,  F16D2125/28 ,  F16D2125/68

    Abstract: A brake apparatus includes a first coupling member coupled to one end part of one of a pair of link arms, a second coupling member coupled to the one end part of the other of the pair of link arms to freely advance and retract with respect to the first coupling member, an actuator configured to advance and retract an output member, a lever rotatably coupled to the output member and configured to be rotated by advancing and retracting movements of the output member and a booster unit configured to advance and retract the second coupling member with respect to the first coupling member by boosting a force transmitted by the rotation of the lever.

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