公开(公告)号：US20180194431A1

公开(公告)日：2018-07-12

申请号：US15399877

申请日：2017-01-06

Applicant: SHIMANO INC.

Inventor： Tooru IWAI ,  Tetsu NONOSHITA ,  Toyoshi YOSHIDA

IPC: B62M9/10 ,  F16H55/30 ,  F16H55/06

CPC classification number: B62M9/10 ,  B62M9/105 ,  F16H55/06 ,  F16H55/30

Abstract: A bicycle sprocket comprises at least one chain engaging member constituting at least a part of at least one sprocket tooth of the bicycle sprocket. The at least one chain engaging member is configured to contact a bicycle chain in a state where the bicycle chain engages with the bicycle sprocket. The at least one chain engaging member is made of a first material. At least one bicycle attachment member constitutes at least a part of a sprocket body of the bicycle sprocket. The at least one bicycle attachment member is configured to be coupled to a bicycle. The at least one bicycle attachment member is made of a second material that is different from the first material. At least one shifting facilitation area is provided in the at least one chain engaging member to facilitate a shifting operation of a bicycle chain.

公开(公告)号：US20150094179A1

公开(公告)日：2015-04-02

申请号：US14043770

申请日：2013-10-01

Applicant: SHIMANO INC.

Inventor： Tooru IWAI ,  Toyoshi YOSHIDA

IPC: F16H55/30

CPC classification number: F16H55/30 ,  B62M9/00 ,  F16H2055/306

Abstract: A bicycle sprocket comprises a sprocket member. The sprocket member includes an annular base portion, sprocket teeth, and a closed tooth opening. The sprocket teeth are configured to protrude radially outwardly from the annular base portion. The sprocket teeth are arranged in a circumferential direction of the annular base portion. Each of the sprocket teeth has a tooth bottom defining a root circle of the sprocket teeth. The closed tooth opening is at least partly positioned radially outwardly from the root circle.

Abstract translation: 自行车链轮包括链轮构件。 链轮构件包括环形基部，链轮齿和闭合的开口。 链轮齿构造成从环形基部径向向外突出。 链轮齿沿环形基部的圆周方向排列。 每个链轮齿具有限定链轮齿的根圆的齿底。 封闭的牙齿开口至少部分地从根圆周径向向外定位。

公开(公告)号：US20140335987A1

公开(公告)日：2014-11-13

申请号：US14140848

申请日：2013-12-26

Applicant: Shimano Inc.

Inventor： Toru IWAI ,  Makoto SOUWA ,  Tetsu NONOSHITA ,  Toyoshi YOSHIDA

IPC: F16H55/30

CPC classification number: F16H55/303 ,  B62M9/10

Abstract: A bicycle sprocket includes a sprocket body, and a plurality of sprocket teeth. At least one of the sprocket teeth includes a first layered member, a second layered member and a third layered member. The first layered member has a first axial surface and a second axial surface. The second layered member is attached to the first axial surface such that the first and second layered members overlap each other in an axial direction as viewed parallel to a rotational axis of the sprocket body. The third layered member is attached to the second axial surface such that the first and third layered members overlap each other in the axial direction as viewed parallel to the rotational axis of the sprocket body. The first layered member has a specific gravity that is less than those of the second layered member and the third layered member.

公开(公告)号：US20140335986A1

公开(公告)日：2014-11-13

申请号：US14199057

申请日：2014-03-06

Applicant: Shimano Inc.

Inventor： Toru IWAI ,  Toyoshi YOSHIDA

IPC: F16H55/30

CPC classification number: B62M9/105

Abstract: A bicycle sprocket includes a sprocket body and a plurality of sprocket teeth. The sprocket teeth extend radially outwardly from an outer periphery of the sprocket body. The sprocket body includes a first layered member, a second layered member and a third layered member. The first layered member has a first axial surface and a second axial surface. The second layered member is attached to the first axial surface such that the first and second layered members overlap each other in an axial direction as viewed parallel to a rotational axis. The third layered member is attached to the second axial surface such that the first and third layered members overlap each other in the axial direction as viewed parallel to the rotational axis. At least one of the second and third layered members has at least one concavo-convex portion.

Abstract translation: 自行车链轮包括链轮主体和多个链轮齿。 链轮齿从链轮主体的外周径向向外延伸。 链轮体包括第一层状构件，第二层叠构件和第三层叠构件。 第一层状构件具有第一轴向表面和第二轴向表面。 第二层状构件附接到第一轴向表面，使得第一和第二层状构件在平行于旋转轴线观察的轴向上彼此重叠。 第三层状构件附接到第二轴向表面，使得第一和第三层状构件在平行于旋转轴线观察的轴向方向上彼此重叠。 第二和第三层状构件中的至少一个具有至少一个凹凸部。

公开(公告)号：US20140335983A1

公开(公告)日：2014-11-13

申请号：US13888539

申请日：2013-05-07

Applicant: SHIMANO INC.

Inventor： Toru IWAI ,  Makoto SOUWA ,  Toyoshi YOSHIDA

IPC: F16H55/30

CPC classification number: B62M9/105

Abstract: A bicycle sprocket includes a sprocket body, and a plurality of sprocket teeth. At least one of the sprocket teeth includes a first layered member, a second layered member and a third layered member. The first layered member has a first axial surface and a second axial surface. The second layered member is attached to the first axial surface such that the first and second layered members overlap each other in an axial direction as viewed parallel to a rotational axis of the sprocket body. The third layered member is attached to the second axial surface such that the first and third layered members overlap each other in the axial direction as viewed parallel to the rotational axis of the sprocket body. The first layered member has a specific gravity that is less than those of the second layered member and the third layered member.

Abstract translation: 自行车链轮包括链轮主体和多个链齿。 链轮齿中的至少一个包括第一层状构件，第二层叠构件和第三层叠构件。 第一层状构件具有第一轴向表面和第二轴向表面。 第二层状构件附接到第一轴向表面，使得第一和第二层状构件在与链轮主体的旋转轴线平行的轴向方向上彼此重叠。 第三分层构件附接到第二轴向表面，使得第一和第三分层构件在与链轮主体的旋转轴线平行的方向上在轴向方向上彼此重叠。 第一层状构件的比重小于第二层叠构件和第三层叠构件的比重。

公开(公告)号：US20180290712A1

公开(公告)日：2018-10-11

申请号：US15906556

申请日：2018-02-27

Applicant: Shimano Inc.

Inventor： Masanori TANIGUCHI ,  Wataru YAMAUCHI ,  Toru IWAI ,  Toyoshi YOSHIDA ,  Dai YOKOZAWA

IPC: B62M9/12 ,  F16H55/06 ,  F16H55/30

Abstract: A bicycle sprocket is provided that is configured to limit a chain separation. The bicycle sprocket includes a sprocket body and a plurality of teeth. The sprocket body has a rotational center axis. The plurality of teeth includes a first tooth having a first width extending in a rotational center axis direction, and a second tooth having a second width extending in the rotational center axis direction. The second width is smaller than the first width. The plurality of teeth includes a base body and a nickel plating layer. The nickel plating layer covers at least a portion of the base body. The nickel plating layer includes at least one of phosphorus and boron.

公开(公告)号：US20180281898A1

公开(公告)日：2018-10-04

申请号：US15473517

申请日：2017-03-29

Applicant: SHIMANO INC.

Inventor： Tooru IWAI ,  Tetsu NONOSHITA ,  Toyoshi YOSHIDA

IPC: B62M9/10 ,  F16H55/12 ,  F16H55/30 ,  F16H55/06

CPC classification number: B62M9/10 ,  B62M9/105 ,  B62M9/12 ,  F16H55/12 ,  F16H55/30 ,  F16H55/40 ,  F16H55/48

Abstract: A bicycle sprocket assembly comprises a sprocket support member. The sprocket support member comprises a central cylindrical portion and a plurality of sprocket support portions. The plurality of sprocket support portions extends radially outwardly from the central cylindrical portion with respect to a rotational center axis of the bicycle sprocket assembly. At least one sprocket support portion of the plurality of sprocket support portions comprises at least one radially extending surface, at least one axially extending surface, and an interior cavity. The at least one radially extending surface extends radially relative to the rotational center axis to support at least one of the at least one sprocket. The at least one axially extending surface extends in an axial direction parallel to the rotational center axis.

公开(公告)号：US20180207979A1

公开(公告)日：2018-07-26

申请号：US15410768

申请日：2017-01-20

Applicant: Shimano Inc.

Inventor： Tooru IWAI ,  Tetsu NONOSHITA ,  Toyoshi YOSHIDA

IPC: B60B25/00 ,  B60B21/06 ,  B60B1/04

CPC classification number: B60B25/00 ,  B60B1/043 ,  B60B5/02 ,  B60B21/00 ,  B60B21/025 ,  B60B21/062 ,  B60B2310/204 ,  B60B2310/208 ,  B60B2320/10 ,  B60B2360/10 ,  B60B2360/104 ,  B60B2360/341 ,  B60B2900/111 ,  B60B2900/113 ,  B60B2900/1216 ,  B60B2900/311

Abstract: A bicycle rim comprises a base member, a cover member, and a spoke attachment member. The base member includes a truss structure that defines at least one opening. The cover member at least partly covers the at least one opening of the base member. The spoke attachment member is a separate member from the base member and the cover member. The spoke attachment member is non-rotatably attached to the base member.

公开(公告)号：US20160272279A1

公开(公告)日：2016-09-22

申请号：US15168214

申请日：2016-05-30

Applicant: SHIMANO INC.

Inventor： Toyoshi YOSHIDA ,  Toshinari OISHI ,  Tsuyoshi FUKUMORI

IPC: B62M9/10 ,  F16H55/30

CPC classification number: B62M9/10 ,  B62M9/12 ,  F16H55/303

Abstract: A bicycle rear sprocket assembly has a rotational center axis. The bicycle rear sprocket assembly comprises a first sprocket and a second sprocket. The first sprocket includes a first sprocket body and a first chain-engagement structure. The first sprocket body is made of a non-metallic material. The first chain-engagement structure is made of a metallic material and is configured to engage with a bicycle chain. The second sprocket includes a second sprocket body and a second chain-engagement structure. The second sprocket body is made of a non-metallic material and attached to the first sprocket body. The second chain-engagement structure is made of a metallic material and is configured to engage with the bicycle chain.

Abstract translation: 自行车后链轮组件具有旋转中心轴线。 自行车后链轮组件包括第一链轮和第二链轮。 第一链轮包括第一链轮主体和第一链接结构。 第一链轮主体由非金属材料制成。 第一链接结构由金属材料制成，并被配置成与自行车链接。 第二链轮包括第二链轮主体和第二链接结构。 第二链轮主体由非金属材料制成并附接到第一链轮主体。 第二链条接合结构由金属材料制成并且被配置成与自行车链条接合。

公开(公告)号：US20200070934A1

公开(公告)日：2020-03-05

申请号：US16118474

申请日：2018-08-31

Applicant: Shimano Inc.

Inventor： Toru IWAI ,  Tetsu NONOSHITA ,  Toyoshi YOSHIDA

IPC: B62M9/10 ,  F16H55/17

Abstract: A bicycle rear sprocket assembly 28 comprises a sprocket carrier 31, at least one metallic support 33, and at least one rear sprocket 28a-28h. The sprocket carrier 31 is made of a non-metallic material. The at least one metallic support 33 is attached to at least one of a first circumferentially facing surface 41 and a second circumferentially facing surface 43 of at least one mounting arm 39 of the sprocket carrier 31. The at least one rear sprocket 28a-28h is made of a metallic material. A sprocket body 51 of the at least one rear sprocket 28a-28h is attached to the at least one metallic support 33.