公开(公告)号：US20240300616A1

公开(公告)日：2024-09-12

申请号：US18665941

申请日：2024-05-16

申请人： BRP-ROTAX GMBH & CO. KG

发明人： Tommy MUELLER ,  Thomas UHR

IPC分类号： B62M9/00 ,  B62M6/60

CPC分类号： B62M9/00 ,  B62M6/60 ,  B62M2009/007

摘要： A chain stay for a bicycle has: a first side wall having front and rear ends; a second side wall having front and rear ends, the second side wall being laterally spaced from the first side wall, the front end of the first side wall being forward of the front end of the second side wall; a third wall extending between the first and second side walls, the third wall defining an aperture therethrough permitting the passage of a flexible drive member of the bicycle therethrough; and a top wall connected to tops of the first, second and third side walls. At least a portion of the third wall extends downward from the top wall and from one of the first and second walls toward another one of the first and second walls. A width of the aperture is less than a distance between the first and second walls.

公开(公告)号：US11814135B2

公开(公告)日：2023-11-14

申请号：US17721328

申请日：2022-04-14

申请人： SHIMANO INC.

发明人： Kohei Ohyabu

IPC分类号： B62M1/36 ,  B62M9/10 ,  B62M9/00

CPC分类号： B62M1/36 ,  B62M9/105 ,  B62M2009/007

摘要： A crank assembly comprises a crank arm, a front sprocket unit, and at least one chain-drop control protrusion. The at least one chain-drop control protrusion is configured to inhibit a drive chain from getting into a space provided radially inwardly from the at least one control protrusion and between the crank arm and the front sprocket unit in the axial direction. The at least one chain-drop control protrusion is configured to be provided to at least one of an axially inwardly facing crank-surface of the crank arm and an axially outwardly facing sprocket-surface of the front sprocket unit. The at least one chain-drop control protrusion has a through bore.

公开(公告)号：US20230331340A1

公开(公告)日：2023-10-19

申请号：US17721328

申请日：2022-04-14

申请人： SHIMANO INC.

发明人： Kohei OHYABU

IPC分类号： B62M1/36 ,  B62M9/10

CPC分类号： B62M1/36 ,  B62M9/105 ,  B62M2009/007

摘要： A crank assembly comprises a crank arm, a front sprocket unit, and at least one chain-drop control protrusion. The at least one chain-drop control protrusion is configured to inhibit a drive chain from getting into a space provided radially inwardly from the at least one control protrusion and between the crank arm and the front sprocket unit in the axial direction. The at least one chain-drop control protrusion is configured to be provided to at least one of an axially inwardly facing crank-surface of the crank arm and an axially outwardly facing sprocket-surface of the front sprocket unit. The at least one chain-drop control protrusion has a through bore.

公开(公告)号：US20190248447A1

公开(公告)日：2019-08-15

申请号：US16392072

申请日：2019-04-23

申请人： Shimano, Inc.

发明人： Takeshi Takachi ,  Atsushi Iizuka ,  Nobukatsu Hara

IPC分类号： B62M9/16 ,  B62M9/1248 ,  B62M9/121

CPC分类号： B62M9/16 ,  B62M9/121 ,  B62M9/1248 ,  B62M2009/007 ,  B62M2009/12406

摘要： A bicycle derailleur comprises a base member adapted to be mounted to a bicycle; a movable member movably coupled to the base member; a chain guide coupled to the movable member through a pivot shaft for rotating around an axis (X); a spring mounted around the axis (X), wherein the spring is configured to bias the chain guide in a selected rotational direction; and a resistance applying unit disposed on the pivot shaft. The resistance applying unit includes a friction unit, a one-way transmission unit, and an adjusting unit. The friction unit includes a plurality of first engaging members and at least one second engaging member, wherein the plurality of first engaging members are axially slidable with respect to the pivot shaft. The adjusting unit adjusts an amount of friction between the plurality of first engaging members and the at least one second engaging member.

公开(公告)号：US10053188B2

公开(公告)日：2018-08-21

申请号：US15235339

申请日：2016-08-12

申请人： D3 Innovation Inc.

发明人： Jonathan Staples

IPC分类号： F16H7/18 ,  B62J13/00 ,  F16D1/00 ,  F16H57/02 ,  B62M9/10 ,  B62M9/121 ,  B62M9/00

CPC分类号： B62M9/105 ,  B62M9/121 ,  B62M2009/007 ,  F16H2007/185

摘要： A chain guide for a bicycle having may include a base frame and a height adjustment member connected to the base frame and slidable relative to the base frame and lockable in a first position by engaging a first locking member. A retaining member may be pivotally connected to the height adjustment member and may be pivotable about a pivot axis a retaining position, in which the retaining member is positioned to obstruct lateral movement of the chain away from the chainring thereby preventing lateral misalignment between the chain and the chainring, and a removal position, in which the retaining member does not obstruct lateral movement of the chain away from the base frame while the height adjustment member is locked in the first position. The pivot axis may be spaced apart from the first locking member.

公开(公告)号：US09919765B2

公开(公告)日：2018-03-20

申请号：US14215213

申请日：2014-03-17

申请人： Wick Werks, LLC

发明人： Christopher A. Wickliffe ,  Eldon L. Goates

IPC分类号： B62M9/134 ,  B62M9/1344 ,  B62M9/1342 ,  B62M9/136

CPC分类号： B62M9/134 ,  B62M9/1342 ,  B62M9/1344 ,  B62M9/135 ,  B62M9/136 ,  B62M9/138 ,  B62M2009/007

摘要： Embodiments of a front derailleur gear shifting system including various unique chain guides attached to and operating from a single pivot point. This derailleur system provides a simple, yet, elegant and robust improvement in shifting technique over conventional, lateral motion front derailleurs. Embodiments of open and closed annulus chain guides having specially shaped lifting and pulling surfaces for acting upon a bicycle chain during shifting are also disclosed. Additionally, as an optional enhancement, a dual-sided chain catcher that prevents unintended over-shifts in either direction is disclosed.

公开(公告)号：US20180022418A1

公开(公告)日：2018-01-25

申请号：US15659606

申请日：2017-07-25

申请人： Wolf Tooth Components, LLC

发明人： Michael W. Pfeiffer

IPC分类号： B62M9/136 ,  F16H7/18 ,  B62J13/00

CPC分类号： B62M9/136 ,  B62J13/00 ,  B62M2009/007 ,  F16H7/18

摘要： A chainguide includes a mounting bracket and a guide member supported by and infinitely laterally adjustable relative to the mounting bracket.

公开(公告)号：US20180001961A1

公开(公告)日：2018-01-04

申请号：US15199830

申请日：2016-06-30

申请人： SHIMANO INC.

发明人： Atsuhiro EMURA ,  Toshinari OISHI ,  Yusuke NISHIMOTO ,  Sota YAMAGUCHI ,  Kohei OBUCHI ,  Kento MITSUYASU

IPC分类号： B62M9/16 ,  F16H7/20 ,  F16H7/12 ,  F16H7/08 ,  B62M9/00

CPC分类号： B62M9/16 ,  B62M2009/007 ,  F16H7/1281 ,  F16H7/20 ,  F16H2007/0865 ,  F16H2007/0893

摘要： A bicycle tensioner apparatus comprises a first base member, a second base member, and a tensioner. The second base member is movably coupled to the first base member. The tensioner is configured to contact a driving-force transmitting member to apply tension to the driving-force transmitting member. The tensioner is coupled to both the first base member and the second base member. The tensioner is movable relative to at least one of the first base member and the second base member in response to a relative movement between the first base member and the second base member.

公开(公告)号：US09845134B2

公开(公告)日：2017-12-19

申请号：US12193184

申请日：2008-08-18

申请人： Takeshi Takachi ,  Atsushi Iizuka ,  Nobukatsu Hara

发明人： Takeshi Takachi ,  Atsushi Iizuka ,  Nobukatsu Hara

IPC分类号： B62M9/16 ,  B62M9/121 ,  B62M9/1248 ,  B62M9/00 ,  B62M9/124

CPC分类号： B62M9/16 ,  B62M9/121 ,  B62M9/1248 ,  B62M2009/007 ,  B62M2009/12406

摘要： A bicycle derailleur comprises a base member adapted to be mounted to a bicycle, a movable member movably coupled to the base member, and a chain guide coupled to the movable member. The chain guide is coupled for rotation around a rotational axis (X), and a biasing element biases the chain guide in a selected rotational direction. A resistance applying unit applies a resistance to rotational movement of the chain guide in a direction opposite the selected rotational direction, and an adjusting unit adjusts an amount of resistance applied by the resistance applying unit.

公开(公告)号：US09581229B2

公开(公告)日：2017-02-28

申请号：US14596761

申请日：2015-01-14

申请人： Wolf Tooth Components, LLC

发明人： Michael W. Pfeiffer

IPC分类号： F16H55/30 ,  B62M9/10 ,  F16H55/08 ,  B62M9/00

CPC分类号： F16H55/30 ,  B62M9/105 ,  B62M2009/007

摘要： A sprocket includes first teeth having a first maximum width, and second teeth having a second maximum width greater than the first maximum width alternately arranged with the first teeth. The second teeth have a leading surface relative to a drive direction of the sprocket, a lateral surface at the second maximum width, and a relief between the leading surface and the lateral surface, with a midline of the lateral surface being offset relative to a plane extended radially through a center of a respective tooth.