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公开(公告)号：US20240149976A1
公开(公告)日：2024-05-09
申请号：US18206561
申请日：2023-06-06
发明人： Wayne Leroy Contello , Brian Benjamin Sweet , Richard Hilgart , Jeffrey A. Birchak , Kevin Alan Gust
摘要： A continuously variable transmission on a bicycle may be automatically configured with little or no assistance from a user. Optical scanning devices, RFIDs, and other information capturing technology can communicate with a controller. The controller may then perform a portion or all of a configuration process. In operation, a controller may determine that calibration is needed. A calibration process may be initiated and performed with little or no user interaction. A calibration process may account for a load, a power source, or an environment.
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公开(公告)号：US11845511B2
公开(公告)日：2023-12-19
申请号：US16081794
申请日：2017-03-29
发明人： Knut Tore Ljøsne , Christian Antal
摘要： A sequential gear shift system for two-way operated speed change gear units of manually propelled vehicles. Mirrored, spaced-apart lever operators, are provided with increasing lever stroke ratio, and actuate sequentially with twin mirrored one-way multi-tooth rack-clutch mechanisms, that rapidly engage with a shift element and convert linear torque to rotate the shift element in diametrically opposite directions. The rack-clutch mechanisms may be disengaged from the shift element when returning to normal. The actuating may occur via independent hydraulic operation of an actuator. The actuator housing and load bearing axle of the speed change gear hub are selectively, releasably, and coaxially interconnected into a rigid gear system load bearing axle, and may be combined at any angle, and a shift direction is selectively reversible.
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公开(公告)号：US20230271675A1
公开(公告)日：2023-08-31
申请号：US18143918
申请日：2023-05-05
发明人： Brian Jordan
摘要： A system and method for simple transmission of a multi-speed bicycle is provided. A bicycle can have a transmission that can be toggled by a kickback shifting mechanism. A rear wheel hub can support a freewheel having a high speed gear sprocket and a low speed gear sprocket with dedicated chains to create dedicated gear-shifting. Rotating the pedal shaft in the non-drive direction approximately one-quarter rotation can toggle the transmission between the first gear ratio and the second gear ratio with a shifting surface that alternately allows driving engagement of the high speed gear sprocket with the rear wheel driver.
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公开(公告)号：US11667351B2
公开(公告)日：2023-06-06
申请号：US17129564
申请日：2020-12-21
发明人： Wayne Leroy Contello , Brian Benjamin Sweet , Richard Hilgart , Jeffrey A. Birchak , Kevin Alan Gust
IPC分类号： F16H61/66 , B62M25/08 , B62M6/45 , B62M9/04 , B62M9/06 , B62M9/10 , F16H61/664 , F16H15/28 , H04L67/12
CPC分类号： B62M25/08 , B62M6/45 , B62M9/04 , B62M9/06 , B62M9/10 , F16H61/66 , F16H15/28 , F16H61/664 , H04L67/12
摘要： A continuously variable transmission on a bicycle may be automatically configured with little or no assistance from a user. Optical scanning devices, RFIDs, and other information capturing technology can communicate with a controller. The controller may then perform a portion or all of a configuration process. In operation, a controller may determine that calibration is needed. A calibration process may be initiated and performed with little or no user interaction. A calibration process may account for a load, a power source, or an environment.
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公开(公告)号：US11466754B2
公开(公告)日：2022-10-11
申请号：US17010915
申请日：2020-09-03
申请人： Yung-Sheng Wang
发明人： Yung-Sheng Wang
摘要： The present invention is a chain structure of bicycles, which comprises a plurality of rollers, a plurality of chain sheets and a plurality of chain rollers. Wherein the rollers define a mounting space. Each chain sheet comprises a chain body, a first pivot joint part extending from one end of chain body and to be arranged in the mounting space, a second pivot joint part horizontally extending from the other end of chain body, the second pivot joint part is installed on the roller with the first pivot joint part, wherein the first pivot joint part is in a horizontal position different from chain body, the first pivot joint part defines a rotation space for placing the second pivot joint part of another chain sheet, so that the first pivot joint part and second pivot joint part can rotate a preset angle in the rotation space. When the chain sheets are combined with rollers respectively, the chain bodies remain on the same plane, the chain roller penetrates the second pivot joint part and the first pivot joint part respectively for connecting the roller to the chain sheets on both sides of roller. Thereby, the chain is thinned and the weight is reduced, the tensile strength is increased by thickening the chain sheet.
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公开(公告)号：US20220177074A1
公开(公告)日：2022-06-09
申请号：US17112914
申请日：2020-12-04
申请人： Shoujin Li
发明人： Shoujin Li
摘要： The invention disclosures a stage-variation variable speeds transmission bicycle, comprising a bicycle bracket, wherein the bicycle bracket is provided with a medial axis, a medial axis chain wheel group is arranged on the medial axis, medial axis chain wheel group comprises three chain wheels with different size; also comprising bicycle rear shaft, a freehub arranged on rear shaft, the freehub is fixed with a sun gear, one side of the sun gear is provided with a planetary carrier comprising planetary gears, a gear ring is provided radially outward of planetary gears, a ratchet is provided radially outward of the gear ring, the ratchet is provided with a pawl, the invention is easy to start and can be operated at a high speed, also can realize switch between the one-stage and two-stage transmission status arbitrarily during riding and parking to ensure a better cycling experience.
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公开(公告)号：US11292555B2
公开(公告)日：2022-04-05
申请号：US16052561
申请日：2018-08-01
申请人： SHIMANO INC.
摘要： A bicycle sprocket comprises a sprocket body, a plurality of sprocket teeth, a mounting member, at least one fastening member, and a cover member. The sprocket body has at least one first threaded portion. The mounting member has at least one fastening hole configured to be aligned with the at least one first threaded portion in the assembled state. The at least one fastening member has a fastening shaft portion, a fastening head portion, and a second threaded portion. The second threaded portion is configured to threadedly engage with the at least one first threaded portion of the sprocket body in the assembled state. The cover member is configured to at least cover the fastening shaft portion of the at least one fastening member when viewed from an axial direction with respect to the rotational center axis in the assembled state.
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公开(公告)号：US11214333B2
公开(公告)日：2022-01-04
申请号：US16306873
申请日：2017-06-02
摘要： Chain-rings set for bicycle including a first chain-ring and a second chain-ring, this latter formed by segments, which includes displacement means with axial component of the segments with respect to the first chain-ring such that they can be moved a the chain free zone ZLC and shift the chain among chain-rings, where the axial displacement means are formed by guiding means configured for guiding the segments such that the relative movement of the teeth of the segments with respect to the small chain-ring in its displacement from a first disengagement configuration to a second engagement configuration has a tangential component opposite to the forward direction.
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公开(公告)号：US20210188392A1
公开(公告)日：2021-06-24
申请号：US17057323
申请日：2019-03-27
申请人： DONGBIN ZENG
发明人： DONGBIN ZENG
摘要： Adjustable speed effort-saving bicycle, comprising a front wheel assembly, a rear wheel assembly, and a frame, the front wheel assembly and the rear wheel assembly mounted on either front or rear end of the frame, also comprising quad-connecting rod mechanism, a chain wheel, chain A, and a transmission mechanism converting rider weight into a rocking force. The quad-connecting rod mechanism is mounted on the frame. The chain wheel is on the frame and meshes with middle part of chain A. The chain wheel is connected to the rear wheel assembly via transmission apparatus. One end of chain A is connected to an output frame-connecting rod of the quad-connecting rod mechanism. A bent part extends from where the output frame-connecting rod joins the frame. Another end of chain A is connected to the bent part. A tensioner for tensioning chain A is between the bent part and the output frame-connecting rod.
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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
申请人： Shimano Inc.
发明人： Kenji Kamada
摘要： 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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