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公开(公告)号：US11066118B2
公开(公告)日：2021-07-20
申请号：US15880974
申请日：2018-01-26
Applicant: Shimano Inc.
Inventor： Takuya Katsuki , Yasuhiro Tsuchizawa , Kenji Kamada , Tomohiro Kondo
IPC: B62J1/08 , B62J99/00 , B62J45/20 , B62J45/40 , B62J45/415
Abstract: A bicycle seatpost system is basically provided with a height adjustable seatpost and an electronic controller. The height adjustable seatpost includes an electric actuator. The electronic controller is configured to control the electric actuator to change a height of the height adjustable seatpost in accordance with detected information about a change of orientation of a bicycle relative to a ground.
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公开(公告)号：US10584785B2
公开(公告)日：2020-03-10
申请号：US15595345
申请日：2017-05-15
Applicant: Shimano Inc.
Inventor： Kenji Kamada
Abstract: A bicycle sprocket includes a first sprocket body and a plurality of first sprocket teeth. The first sprocket teeth include a plurality of tooth tip portions and a plurality of tooth bottom portions. The tooth bottom portions include at least one first tooth bottom portion and at least one second tooth bottom portion. The at least one first tooth bottom portion has a first tooth bottom shape. The at least one second tooth bottom portion has a second tooth bottom shape. The first tooth bottom shape is different from the second tooth bottom shape.
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公开(公告)号：US09631714B2
公开(公告)日：2017-04-25
申请号：US14667601
申请日：2015-03-24
Applicant: SHIMANO INC.
Inventor： Etsuyoshi Watarai , Kenji Kamada , Koji Yuasa
Abstract: A bicycle sprocket comprises a sprocket body and a chain engagement structure. The chain engagement structure includes a plurality of sprocket teeth. The plurality of sprocket teeth include at least one first tooth and at least one second tooth. The at least one first tooth has a first tooth top extending non-parallel to a sprocket-plane perpendicular to a rotational center axis when viewed from a radial direction of the bicycle sprocket. The at least one first tooth has a first axial chain-engagement width that is larger than an inner link space defined between a pair of inner link plates of a bicycle chain and smaller than an outer link space defined between a pair of outer link plates of the bicycle chain. The at least one second tooth has a second axial chain-engagement width that is smaller than the inner link space.
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公开(公告)号：US09540070B2
公开(公告)日：2017-01-10
申请号：US14723405
申请日：2015-05-27
Applicant: SHIMANO INC.
Inventor： Etsuyoshi Watarai , Kenji Kamada
CPC classification number: B62M9/02 , B62M9/00 , B62M2009/007 , F16H55/30
Abstract: A bicycle sprocket comprises a sprocket body and a chain engagement structure. The sprocket body has a rotational center axis, a first side and a second side opposite to the first side in an axial direction parallel to the rotational center axis. The chain engagement structure includes a plurality of sprocket teeth. The plurality of sprocket teeth include a plurality of first teeth and a plurality of second teeth. The plurality of first teeth each include an outer-link supporting surface, an opposite surface, and a first radially outermost tooth-tip. The opposite surface is spaced part from the second outer link plate in a state where the chain engagement structure engages with the bicycle chain. The plurality of second teeth each include a second radially outermost tooth-tip that is offset from the first radially outermost tooth-tip of each of the plurality of first teeth in the axial direction.
Abstract translation: 自行车链轮包括链轮主体和链条接合结构。 链轮主体具有与平行于旋转中心轴线的轴向方向的旋转中心轴线，第一侧面和与第一侧相对的第二侧面。 链条接合结构包括多个链轮齿。 多个链轮齿包括多个第一齿和多个第二齿。 多个第一齿各自包括外链节支撑表面，相对表面和第一径向最外侧的齿尖。 在链条接合结构与自行车链条接合的状态下，相对表面与第二外链板间隔开。 多个第二齿各自包括从轴向方向上的多个第一齿中的每一个的第一径向最外齿顶偏移的第二径向最外齿尖。
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公开(公告)号：US11591044B2
公开(公告)日：2023-02-28
申请号：US17005877
申请日：2020-08-28
Applicant: SHIMANO INC.
Inventor： Kenji Kamada
Abstract: A bicycle sprocket assembly comprises a first sprocket and a second sprocket. The first sprocket includes a plurality of first sprocket teeth, a first sprocket inward surface, a first sprocket outward surface, and an axial space. The second sprocket includes a plurality of second sprocket teeth, a second sprocket inward surface, and a second sprocket outward surface. The axial space is defined between the first sprocket outward surface and an axially inward outer link plate in the axial direction while the second sprocket outward surface contacts an axially outward inner link plate in an engagement state where the one of the plurality of the second sprocket teeth is positioned between an axially inward inner link plate and the axially outward inner link plate in the axial direction. The axial space is larger than mm and equal to or smaller than 0.15 mm.
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Patent Agency Ranking
公开(公告)号：US11046392B2
公开(公告)日：2021-06-29
申请号：US16289976
申请日：2019-03-01
Applicant: Shimano Inc.
Inventor： Satoshi Shahana , Kenji Kamada
Abstract: A human-powered vehicle control device includes an electronic controller for controlling a transmission that changes a ratio of a rotational speed of a drive wheel to a rotational speed of a crank of the human-powered vehicle. The electronic controller switches the transmission from a first control state to a second control state in accordance with at least one of a human drive force, a rider's posture, a vehicle body attitude, a handle force, and a human-powered vehicle travel state, In the first control state, the electronic controller controls the transmission to change the ratio in accordance with an operation of a shift operating unit. In the second control state, irrespective of the operation of the shift operating unit, the electronic controller controls the transmission such that the ratio increases in accordance with the travel state of the human-powered vehicle and/or a travel environment of the human-powered vehicle.
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公开(公告)号：US11008065B2
公开(公告)日：2021-05-18
申请号：US16182608
申请日：2018-11-07
Applicant: SHIMANO INC.
Inventor： Kenji Kamada , Azusa Yamazaki
Abstract: A bicycle sprocket arrangement comprises a largest sprocket, a smallest sprocket, and a plurality of intermediate sprockets. A first quotient is obtained if a total tooth-space number of the large sprocket is divided by a half of the tooth-space number difference. The first quotient is an even number with respect to all sprockets of the plurality of intermediate sprockets. A second quotient is obtained if the total tooth-space number of the small sprocket is divided by a half of the tooth-space number difference. The second quotient is an even number with respect to all sprockets of the plurality of intermediate sprockets excluding a largest intermediate sprocket of the plurality of intermediate sprockets.
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公开(公告)号：US10457353B2
公开(公告)日：2019-10-29
申请号：US15288960
申请日：2016-10-07
Applicant: Shimano Inc.
Inventor： Kenji Kamada , Azusa Yamazaki
Abstract: A bicycle rear sprocket assembly is basically provided that includes a first sprocket including a first sprocket body and a plurality of first sprocket teeth provided to an outer periphery thereof. Each of a plurality of first circumferential areas has a first circumferential length. A first total number of the plurality of first circumferential areas is an even number. A first circumferential area counting number from a driving surface of a first shifting initiation tooth to a driving surface of a second shifting initiation tooth in a driving rotational direction of the bicycle rear sprocket assembly is an odd number. A second circumferential area counting number from the driving surface of the second shifting initiation tooth to the driving surface of the first shifting initiation tooth in the driving rotational direction is an odd number. The first circumferential area counting number is different from the second circumferential area counting number.
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公开(公告)号：US11584473B2
公开(公告)日：2023-02-21
申请号：US16038246
申请日：2018-07-18
Applicant: Shimano Inc.
Inventor： Yasuhiro Tsuchizawa , Takuya Katsuki , Kenji Kamada
IPC: B62K25/08 , B60G17/005 , B62J45/41 , B62J45/423 , B60G17/015 , B62K25/04
Abstract: A suspension control device is provided for a human-powered vehicle. The suspension control device includes a sensor and an electronic controller. The sensor is configured to detect information relating to a ground contact condition. The electronic controller is configured to selectively control a suspension of the human-powered vehicle in accordance with the information detected by the sensor.
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公开(公告)号：US11440346B2
公开(公告)日：2022-09-13
申请号：US16245256
申请日：2019-01-11
Applicant: SHIMANO INC.
Inventor： Kenji Kamada
Abstract: A hub assembly for a human-powered vehicle comprises a hub axle, a first rotatable member, a second rotatable member, and a rotation control structure. The rotation control structure couples the first rotatable member to the second rotatable member to transmit a first input rotation of the first rotatable member to the second rotatable member at a first ratio of a first output rotation of the second rotatable member to the first input rotation of the first rotatable member. The rotation control structure couples the second rotatable member to the first rotatable member to transmit a second input rotation of the second rotatable member to the first rotatable member at a second ratio of a second output rotation of the first rotatable member to the second input rotation of the second rotatable member. The second ratio is different from the first ratio. The second ratio is larger than 0.
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