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公开(公告)号：US20240092455A1
公开(公告)日：2024-03-21
申请号：US18510642
申请日：2023-11-16
申请人： SHIMANO INC.
发明人： Hiroshi FUJITA , Atsuhiro EMURA
IPC分类号： B62M9/10
CPC分类号： B62M9/10
摘要： A lock device comprises a first lock member and a second lock member. The first lock member includes a first axial end, a second axial end, and a first surface. The first axial end is configured to be detachably attached to a sprocket support body of the rear hub assembly in a mounting state where the plurality of rear sprockets is mounted to the rear hub assembly. The second lock member includes a third axial end, a fourth axial end, and a second surface. The third axial end is configured to be attached to the second axial end of the first lock member in an assembled state where a smallest sprocket and the lock device are assembled as one unit. The lock device is configured so that the smallest sprocket is slidable relative to the lock device in the axial direction in the assembled state and before the mounting state.
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公开(公告)号：US20230166814A1
公开(公告)日：2023-06-01
申请号：US17537384
申请日：2021-11-29
申请人： SHIMANO INC.
发明人： Hiroshi FUJITA , Atsuhiro EMURA , Yuki SAKAGAWA , Dai YOKOZAWA
摘要： A bracket apparatus for mounting a derailleur to a frame of a human-powered vehicle comprises a bracket body. The bracket body includes a frame attachment portion configured to be attached to the frame of the human-powered vehicle, a derailleur attachment portion to which the derailleur is to be attached, and a cable groove in which a cable is to be at least partly provided.
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公开(公告)号：US20220348287A1
公开(公告)日：2022-11-03
申请号：US17244862
申请日：2021-04-29
申请人： SHIMANO INC.
发明人： Hiroshi FUJITA , Atsuhiro EMURA
摘要： A rear sprocket assembly comprises a first sprocket, a second sprocket, and at least one tooth-position maintaining member. The at least one tooth-position maintaining member is configured to maintain a relative position between a plurality of first sprocket teeth and a plurality of second sprocket teeth in a circumferential direction with respect to a rotational center axis. The at least one tooth-position maintaining member includes a fixed portion and at least one guide portion. The fixed portion is configured to be fixed to one of the first sprocket and the second sprocket. The at least one guide portion is configured to engage with the other of the first sprocket and the second sprocket such that the other of the first sprocket and the second sprocket is slidable relative to the one of the first sprocket and the second sprocket in the axial direction.
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公开(公告)号：US20180346065A1
公开(公告)日：2018-12-06
申请号：US15608924
申请日：2017-05-30
申请人： SHIMANO INC.
摘要： A bicycle rear sprocket assembly comprises at least one sprocket. The at least one sprocket includes at least ten internal spline teeth configured to engage with a bicycle hub assembly.
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公开(公告)号：US20230286608A1
公开(公告)日：2023-09-14
申请号：US18112686
申请日：2023-02-22
申请人： Shimano Inc.
摘要： A rear hub thru-axle is provided for a human powered vehicle. The rear hub thru-axle is basically provided with a first axle portion and a second axle portion. The first axle portion has a first hollow interior passage defining a first interior dimension. The second axle portion has a second hollow interior passage defining a second interior dimension. The first axle portion is connected to the second axle portion in an axial direction with respect to the rear thru-axle. The first interior dimension of the first hollow interior passage is larger than the second interior dimension of the second hollow interior passage.
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公开(公告)号：US20220234681A1
公开(公告)日：2022-07-28
申请号：US17717129
申请日：2022-04-11
申请人： SHIMANO INC.
摘要： A sprocket support comprises at least ten internal spline teeth configured to engage with a bicycle hub assembly. The at least ten internal spline teeth of the sprocket support includes at least ten internal-spline driving surfaces. The at least ten internal-spline driving surfaces each include a radially outermost edge and a radially innermost edge. A radial length is defined from the radially outermost edge to the radially innermost edge. A total of the radial lengths of the at least ten internal-spline driving surfaces is equal to or larger than 7 mm. At least one internal-spline driving surface of the at least ten internal-spline driving surfaces has a first internal-spline-surface angle defined between the at least one internal-spline driving surface of the at least ten internal-spline driving surfaces and a first radial line. The first internal-spline-surface angle ranges from 0 degree to 10 degrees.
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公开(公告)号：US20190063585A1
公开(公告)日：2019-02-28
申请号：US15686120
申请日：2017-08-24
申请人： SHIMANO INC.
摘要： A bicycle rear sprocket adapter comprises a plurality of external spline teeth and a plurality of internal spline teeth. The plurality of external spline teeth is configured to engage with a bicycle rear sprocket assembly. The plurality of internal spline teeth is configured to engage with a bicycle hub assembly. At least two internal spline teeth of the plurality of internal spline teeth are circumferentially arranged at a first internal pitch angle with respect to a rotational center axis of the bicycle hub assembly. The first internal pitch angle ranges from 10 degrees to 20 degrees.
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公开(公告)号：US20190061873A1
公开(公告)日：2019-02-28
申请号：US15686113
申请日：2017-08-24
申请人： SHIMANO INC.
摘要： A bicycle rear sprocket assembly comprises a sprocket support and a first sprocket. The sprocket support includes a hub engagement part configured to engage with a bicycle hub assembly. The sprocket support includes a plurality of sprocket attachment members extending radially outwardly from the hub engagement part with respect to a rotational center axis of the bicycle rear sprocket assembly. The first sprocket is attached to the plurality of sprocket attachment members. The first sprocket includes a first sprocket body and a plurality of first sprocket teeth which extends radially outwardly from the first sprocket body with respect to the rotational center axis and a total number of which is equal to or larger than thirty-four. The first sprocket has a plurality of shifting facilitation areas. A total number of the plurality of shifting facilitation areas is a divisor of a total number of the plurality of sprocket attachment members.
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公开(公告)号：US20240067299A1
公开(公告)日：2024-02-29
申请号：US17950105
申请日：2022-09-22
申请人： SHIMANO INC.
发明人： Hiroshi FUJITA , Yusuke ODA , Hiroaki UEMURA
IPC分类号： B62M9/10
CPC分类号： B62M9/10
摘要： A rear sprocket comprises a sprocket body, a plurality of sprocket teeth, a plurality of spline teeth, a maximum spline distance, and a radial tooth-bottom distance. Each of the plurality of spline teeth has a spline crest. The maximum spline distance is defined from the rotational center axis to the spline crest. The radial tooth-bottom distance is defined from a rotational center axis to one of plurality of tooth bottom center points. The maximum spline distance is larger than the radial tooth-bottom distance. The spline crest of each of the plurality of spline teeth is positioned radially inwardly from the tooth outline of each of the plurality of sprocket teeth in the radial direction.
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公开(公告)号：US20230166812A1
公开(公告)日：2023-06-01
申请号：US17537371
申请日：2021-11-29
申请人： SHIMANO INC.
发明人： Hiroshi FUJITA , Atsuhiro EMURA , Shota SUYAMA , Yusuke ODA
摘要： A bracket apparatus for mounting a derailleur to a frame of a human-powered vehicle comprises a bracket body and one of a restriction member and a restriction opening. The bracket body includes a frame attachment portion configured to be attached to the frame of the human-powered vehicle and a derailleur attachment portion to which the derailleur is to be attached. The restriction member is configured to be at least partly provided in the restriction opening to restrict a rotation of the bracket body relative to the frame of the human-powered vehicle in a bracket mounting state where the bracket apparatus is mounted to the frame of the human-powered vehicle.
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