Bicycle derailleur

Abstract

The invention relates to a bicycle derailleur. The bicycle derailleur includes a base member mountable to a bicycle frame and having laterally spaced first and second mounting portions defining first and second planes, and a space between the first and second mounting portions is sized to receive a portion of the bicycle frame. The first mounting device defines a first pivot axis oriented at an acute angle relative to the first and second planes. The second mounting device defines a second pivot axis parallel to the first pivot axis. The first link is pivotally connected to the first mounting device and the second link is pivotally connected to the second mounting device. The movable member is pivotally connected to the first link and the second link. A battery may be mounted on the base member and electrically connected with a motor carried by the movable member.

Description

[0001] This application is a divisional application of the patent application filed on December 9, 2022, with application number 202211576507.2 and invention title "Bicycle Derailleur". Technical Field

[0002] This application generally relates to bicycle derailleurs, including, for example, but not limited to, bicycle rear derailleurs. Background Technology

[0003] Bicycle derailleurs are typically integrated into the bicycle's drivetrain. A typical drivetrain also includes a crank assembly coupled to one or more drive sprockets. The crank assembly is operable to drive the chain, which is guided or wound around one of the drive sprockets. The chain may also be guided to one of the bicycle's wheels, such as the rear wheel, where the chain may engage one or more driven sprockets. Derailleurs are configured as part of the drivetrain. For example, one derailleur (e.g., a front derailleur) may be positioned adjacent to one or more drive sprockets, while another derailleur (e.g., a rear derailleur) may be positioned adjacent to a driven sprocket, such as the rear wheel. One or more derailleurs may be actuated to selectively shift the chain of the drivetrain between drive sprockets, and / or selectively shift the chain between one or more driven sprockets. Shifting the bicycle chain from one drive sprocket to another or from one driven sprocket to another is performed to change the gear ratio of the drivetrain. The rear derailleur can also apply tension to the chain to tighten or loosen it, and maintain the desired tension in the chain on the non-drive side of the drivetrain.

[0004] Typically, the rear derailleur is attached to a bicycle with a derailleur hanger designed to break or bend upon impact, thus limiting damage to the frame. For example, the hanger is attached to the frame, and then the derailleur is rotatably attached to a hanger below the frame. Hangers usually consist of a single flange connecting and cantilevering from only one side of the frame, making them more prone to failure. Recently, bicycle frames have been developed to be extremely durable and robust, making it necessary but inconvenient to attach a separate hanger, which may require additional maintenance and repairs. Furthermore, multiple bicycle frame manufacturers can offer various shapes and instructions for attaching derailleur hangers. This makes it difficult for riders to find the correct hanger when replacement is needed.

[0005] Rear derailleurs typically used on road bikes are constructed with a tilt-oriented linkage mechanism, allowing for a more compact and precise geometry along the bike's chainring. Simultaneously, it is expected that a motor or electrical component can be integrated into the rear derailleur to enable wireless gear shifting and / or various diagnostic tasks. The compact arrangement, combined with the required space for the battery, can make it difficult to directly attach the rear derailleur to the bike frame while maintaining proper alignment with the driven sprocket without a center hanger. Summary of the Invention

[0006] In one aspect, one embodiment of a bicycle derailleur includes a base member mountable to a bicycle frame. The base member includes a laterally spaced first mounting portion and a second mounting portion defining parallel first and second planes, with a space defined between the first and second mounting portions. This space is sized to receive a portion of the bicycle frame. The first and second mounting portions also define a first axis of rotation extending orthogonally to the first and second planes. The base member includes a first mounting device and a second mounting device, the first mounting device defining a first pivot axis oriented at an acute angle relative to the first and second planes, and the second mounting device defining a second pivot axis parallel to the first pivot axis. A first link is pivotally connected to the first mounting device, and a second link is pivotally connected to the second mounting device. A movable member is pivotally connected to the first and second links.

[0007] In another embodiment, a bicycle derailleur includes a base member mountable to a bicycle frame. The base member includes a laterally spaced first mounting portion and a second mounting portion defining parallel first and second planes, with a space defined between the first and second mounting portions. This space is sized to receive a portion of the bicycle frame, and the first and second mounting portions define a first axis of rotation extending orthogonally to the first and second planes. The base includes a front side having a first mounting device and a second mounting device, the first mounting device defining a first pivot axis oriented at an acute angle relative to both the first and second planes, and the second mounting device defining a second pivot axis parallel to the first pivot axis. A rear side includes a battery mount having a centerline disposed between the first and second planes. A channel extends between the front and rear sides. A first link is pivotally connected to the first mounting device, and a second link is pivotally connected to the second mounting device. A movable member is pivotally connected to the first and second links, wherein the movable member includes an electric motor. A wire electrically connects the battery mount and the electric motor, wherein the wire is disposed in the channel.

[0008] In another embodiment, a bicycle derailleur may include a base member mountable to a bicycle frame, wherein the base member includes a laterally spaced first mounting portion and a second mounting portion defining parallel first and second planes, with a space defined between the first and second mounting portions. This space is sized to receive a portion of the bicycle frame. The first and second mounting portions define a laterally extending first axis of rotation. The base member also includes a back side and a front side having a first mounting device, a second mounting device, and a cavity. The first mounting device defines a first pivot axis oriented at an acute angle relative to the first and second planes, the second mounting device defines a second pivot axis parallel to the first pivot axis, and the cavity is defined behind the first and second mounting devices. A first link is pivotally connected to the first mounting device. A second link is pivotally connected to the second mounting device. At least one of the first and second links includes a first end movable within the cavity when the first and second links pivot relative to the first and second mounting devices. A movable member is pivotally connected to the first and second links.

[0009] Various aspects and implementations of the derailleur, as well as the methods for its use and assembly, offer significant advantages over other derailleurs and methods. For example, but not limited to, the mounting portion provides direct mounting of the derailleur to the bicycle frame without intermediate hangers. Simultaneously, the derailleur is configured to provide the link with an acute-angle orientation relative to the mounting portion and / or horizontal axis, even when the base member has spaced mounting portions configured for direct mounting to the bicycle frame. Battery mounts and batteries can also be integrated into the derailleur. The spaced mounting portions provide a stable and robust platform while accommodating the tilting link and supporting the battery in a compact arrangement below and between the mounting portions.

[0010] The preceding paragraphs have been provided by way of general description and are not intended to limit the scope of the claims presented below. Various preferred embodiments and further advantages will be best understood by referring to the following detailed description taken in conjunction with the accompanying drawings. Attached Figure Description

[0011] The objects, features, and advantages of the present invention will become apparent after reading the following description in conjunction with the accompanying drawings.

[0012] Figure 1 This is a side view of a bicycle equipped with a rear derailleur.

[0013] Figure 2A This is an external perspective view of one embodiment of a rear derailleur with a battery.

[0014] Figure 2B This is an external perspective view of one embodiment of a rear derailleur without a battery.

[0015] Figure 3 This is an internal perspective view of one embodiment of a rear derailleur with a battery.

[0016] Figure 4 yes Figure 2B The rear derailleur shown is a frontal perspective view.

[0017] Figure 5 This is a partial front view of the rear derailleur that is attached to the bicycle frame.

[0018] Figure 6A It is a frontal perspective view of a base component pivotally connected to a pair of connecting rods.

[0019] Figure 6B yes Figure 6A The front view of the base component and connecting rod shown.

[0020] Figure 7 It is a partial side perspective view of the base components connected to the bicycle frame.

[0021] Figure 8 This is a frontal perspective view of one embodiment of the base component.

[0022] Figure 9 yes Figure 8 The inner perspective view of the base component shown.

[0023] Figure 10 yes Figure 8 The front view of the base component shown.

[0024] Figure 11 yes Figure 8 The outer perspective view of the base component shown.

[0025] Figure 12 yes Figure 8 Rear view of the base component shown.

[0026] Figure 13 yes Figure 8 The outer perspective view of the base component shown.

[0027] Figure 14 yes Figure 8 The figure shows an inner perspective view of the base component, in which wires are connected to the battery mounting component.

[0028] Figure 15 It was cut along line 15-15. Figure 14 The cross-sectional view of the base component shown.

[0029] Figure 16 This is an exploded view of one embodiment of the base component, the first link, and the second link.

[0030] Figure 17 This is a perspective view of an example of a printed circuit board (PCB) supported within a portion of a movable component, with cables connected to the PCB.

[0031] Figure 18 yes Figure 17 A 3D view of the PCB and movable components, with no cables connected to the PCB.

[0032] Figure 19 This is a side view of an example of a gear train and motor supported within a part of a movable component.

[0033] Figure 20 Is it through Figure 19 A cross-sectional view of the gear train and motor components supported by a portion of the movable parts. Detailed Implementation

[0034] It should be understood that, as used herein, the term "a plurality of" means two or more. The term "longitudinal" as used herein refers to a length or longitudinal direction or is related to a length or longitudinal direction. The term "transverse" as used herein refers to being located on one side to one side or in the axial direction 8, pointing towards one side to one side or in the axial direction 8, or extending on one side to one side or in the axial direction 8. The term "connection" means a connection or engagement, whether directly or indirectly, with, for example, an intermediate member, and the engagement does not need to be fixed or permanent, although it may be fixed or permanent. The terms "first," "second," etc., as used herein do not refer to a specific component so specified, but simply refer to the component in the proposed numerical order, meaning that a component designated as "first" may later be a component like "second," depending on the order in which they are referred to. It should also be understood that the designation of "first" and "second" does not necessarily mean that the two components or values ​​so specified are different, meaning that, for example, a first direction may be the same as a second direction, where each simply applies to different components. The terms “up,” “down,” “back,” “front,” “in front,” “rear,” “vertical,” “horizontal,” “right,” “left,” “inner,” “outer,” and their variations or derivatives refer to the viewpoint from the user seated thereon. Figure 1 The orientation of the exemplary bicycle 150 shown, for example, means that "inner" parts or features are closer to the vertical midplane of the bicycle extending in direction 201. The term "lateral" means non-parallel. The terms "outer" and "outward" refer to directions or features away from the center position; for example, the phrases "radial outward," "radial direction," and / or their derivatives refer to features that diverge away from the center position, such as... Figure 1 and Figure 5The rotation axis 152 of the chain case 3 shown is the mid-plane of the space defined by the derailleur. Conversely, the terms "inward" and "inner" refer to the direction facing the center or interior position. The term "sub-assembly" refers to an assembly of multiple parts, wherein the sub-assembly can be further assembled into other sub-assemblies and / or a final assembly such as bicycle 150.

[0035] bike

[0036] Figure 1 An example of a human-powered vehicle is shown. In this example, the vehicle is a bicycle 150, such as a road bicycle. The bicycle 150 has a frame 2, handlebars 154 near the front end of the frame 2, and a seat or saddle 156 for supporting the rider on top of the frame 2. The bicycle 150 has a first wheel or front wheel 158 carried by a fork assembly 160 supporting the front end of the frame 2. The bicycle 150 also has a second wheel or rear wheel 162 supporting the rear end of the frame 2, which includes a pair of chain links 164 connected at a joint or apex to a pair of seat supports 165, and is also referred to as a corner 167 of the frame 2, wherein the corner 167 has through holes oriented along the axis 152 (see also...). Figure 5 and Figure 7 The bicycle 150 also has a drivetrain 168 with a crank assembly 166 operatively coupled via a bicycle chain 4 to a rear chain box 3 (also referred to as a driven sprocket assembly) near a hub 302, which provides the axis of rotation for the rear wheel 162. The crank assembly 166 includes at least one, typically two, crank arms 170 and pedals 176, as well as a front chain link assembly 172 or a drive sprocket assembly. A crank spindle or shaft may connect the two crank arms. The crankshaft defines a central axis of rotation 174 for the chain link assembly 172. The crank assembly may also include other components.

[0037] A rear derailleur, such as a rear derailleur 180, is located at the rear wheel 162 to move the bicycle chain 4 to different sprockets in the chain case 3. In one embodiment, a front derailleur or front derailleur 181 may be provided to move the chain 4 to different sprockets in the chain link assembly. In the illustrated example, the saddle 156 is supported on a seatpost 178 having an end received in the top of a frame seat tube 179 of the frame 2.

[0038] exist Figure 1 The image shows the normal riding or forward movement direction 201 of the bicycle 150. Although Figure 1 The bicycle 150 depicted herein is a road bicycle, but the rear gear changer or rear derailleur 180, including the specific embodiments and examples disclosed herein as well as alternative embodiments and examples, can be implemented on other types of bicycles.

[0039] refer to Figures 1 to 5 The rear derailleur 180 may include a cage assembly 9 movably coupled to a base member 5. The cage assembly 9 is movable relative to the base member 5 in opposite first and second translational directions (e.g., inside and outside). The cage assembly 9 can also be moved about a laterally extending axis 153 relative to the movable member 600 and the base member 5 in opposite first and second rotational directions (e.g., clockwise and counterclockwise rotation), or can be moved relative to the base member 5 using a combination of translation and rotation. Specifically, the cage assembly 9 is rotatably connected to the movable member 600 using a fastener extending in the lateral direction and defining a rotational axis 153. The cage assembly can rotate clockwise about the axis 153 of the fastener to tighten slack in the chain 4, which engages with the chain holder 3, the upper sprocket 23, and the lower sprocket 22. The upper sprocket 23 and the lower sprocket 22 are rotatably connected to the cage assembly 9. The cage assembly 9 may include one or both of the outer cages 24 that are secured to the inner cage 25, for example, by fasteners 29, 30, which are configured as screws, snap-fits and / or other known suitable fastening devices.

[0040] base components

[0041] Reference Figures 1 to 5 and Figure 16The rear derailleur 180 includes a base member 5, also referred to as a b-knuckle, which can be attached to the bicycle frame 2 via an adapter 310. In one embodiment, the adapter 310 includes a fastener, such as a bolt 304, which threadedly engages a shaft 300, whose hub 302, wheel 162, and chain case 3 are supported on the frame 2. In one embodiment, the bolt 304 has internal threads engaged by the shaft 300 when rotated counterclockwise. The bolt 304 extends through a bushing 312, which engages and is disposed in a hole 360 ​​in a mounting portion 332. The bushing 312 supports the mounting portion 332 on the bolt 304. The bushing 312 may be made of a non-metallic material to reduce any creaking noise. A washer 314 or shaft stop engages non-rotatably with the bushing 316 by a protrusion received in a recess 318 formed around the inner circumferential periphery of the washer 314. Bushing 316 is installed in a through opening at the corner of the frame. Nut 320 or washer is provided at the end of the bushing and includes a flange defining a pair of stops 414 and a circumferential recess 416 therebetween. Bolt 304 is threadedly engaged with nut 320. When bolt 304 is loosened, spring 322 biases nut 320 away from frame 2. Nut 320 includes a knurled surface that, when bolt 304 is tightened, presses into frame 2, thereby fixing the angular position of nut 320. Two protruding elements or stops 414 on nut 320 limit the range of angular movement of base member 5 relative to frame 2. Once engaged with through shaft 300, bolt 304, nut 320, and washer 314 are not rotatable relative to frame 2. Base member 5 is removably coupled to frame 2 using an adapter, but is free to pivot or rotate about axis 152 relative to adapter 310 and frame 2.

[0042] In one implementation, and referring to Figures 2A to 16 The base member 5 has a first mounting portion 330 and a second mounting portion 332 constructed at its top connecting end 21. In one embodiment, the mounting portions 330 and 332 may be configured as a first arm 334 and a second arm 336 extending upward from the bottom housing portion 338 of the base member 5. The mounting portions or arms are spaced apart from each other in the transverse axial direction 8 and define a space 350 therebetween. Figure 10As shown, space 350 has a width (W1) that is sized to receive a portion of bicycle frame 2, shown as the junction of seat support 165 and chain link 164 or corner 167 of frame 2. Both first mounting portion 330 and second mounting portion 332 have openings 360, 362 that partially define a laterally extending axis of rotation 152. In one embodiment, axis of rotation 152 has a horizontal orientation, for example, when the bicycle is in an upright riding position. Mounting portions 330, 332 each define planes 364, 366 along a pair of opposing inner surfaces 368, 370. In one embodiment, planes 364, 366 and surfaces 368, 370 have a parallel vertical orientation. It should be understood that in one embodiment, the surfaces may not be parallel or planar, but the surfaces may still define a pair of parallel and / or vertical planes originating from or tangent to points on mutually spaced-apart surfaces. In this way, the surfaces still define theoretically parallel planes. Mounting portions 330, 332 also have outer or external surfaces 372, 374 that face away from each other in opposite directions, wherein the outer surfaces define the total width (W2) of the connecting ends. For example, as... Figure 10 As shown, the outer surface may not be parallel; the outer surface or surface 372 lies in a vertical plane, while the outer surface or surface 374 defines an angle relative to the vertical plane. In one embodiment, the mounting portions 330, 332 or arms 334, 336 of the base member 5 are located on opposite sides of the right frame corner 167, such that in the installed state, the first arm 334 is arranged inside the frame 2, and the second arm 336 is arranged outside the frame 2. The corner 167 of the frame 2 includes a frame opening 7 extending coaxially with the axis 152. In the installed state, a bolt 304 passes through the opening 360 in the arm 336 of the base member 20 and through the frame opening 7 and is threadedly engaged with the shaft 300.

[0043] like Figures 6B to 14As shown, the first arm 334 and the second arm 336 have a predetermined first length and a second length (D), which are measured along the inner surface from the distal or upper end of each arm to the top surface 382 of the housing portion 338. The length (D) is sufficient to allow the base member 5 to rotate about the axis of rotation 152 relative to the frame 2 (particularly its corner 167). The space 350 between the arms defines a first volume (V1). Specifically, the first volume (V1) is defined by the inner surfaces 368, 370, the top surface 382 of the housing portion, and the peripheries 390, 392 of the arms. This space or first volume includes a second volume (V2) shaped to match the outer periphery 394 of a portion of the frame or corner disposed in and superimposed on the first volume. In other words, the overlap between the portion of the corner 167 and the first volume (V1) defines the second volume (V2) over the entire rotational path of the base member 5 relative to the frame 2. The first volume V1 is larger than the second volume V2. In other words, the inner surfaces 368 and 370 each include a predetermined occupying area, which, when connected to the base member 5, is defined by the overlapping portion of the frame corner 167. The predetermined occupying area has a predetermined bottom boundary 400 that may extend along the top of the openings 402 and 404 formed in or on the arm below the openings 360 and 362. The boundary 400 is positioned above the upper surface of the battery 500 and the battery holder 502, as further described below, such that the battery 500 and the battery holder 502 do not interfere with the rotation of the base member 5 relative to the frame 2.

[0044] Arm 334 has a cylindrical recess 406 formed along its inner surface and an edge portion 408 extending partially around an opening 362 on its outer surface. The opening 362 has a first diameter. An opening 410 is positioned in arm 334 adjacent to the first opening 362. A stop 412 can be secured in the opening and extends inwardly into the space 350 between mounting portions 330, 332. The stop 412 can be configured as a pin threaded into the opening 410. A nut 320 is disposed in the recess 406, wherein the base member 5 or the first mounting portion 330 is rotatable relative to the nut 320. A washer 320 is configured with a pair of circumferentially spaced stops 414, defining a recess 416 between the stops 414. Mounting portions 330, 332 are rotatable or rotatable about axis 152 relative to nut 320 between an engaged position and a disengaged position. In the engaged position, stop 412 engages with one of stop 414, and in the disengaged position, stop 412 is disposed in recess 416 and disengaged from both stop 414. The stop 414 and the spacing between them or the length of recess 416 limit the entire rotational travel of base member 5 relative to frame 2. In one embodiment, stop 412 engages front stop 414 during normal riding.

[0045] The opening 360 in mounting portion 332 is larger than the opening 362 in mounting portion 330. Both mounting portions may include additional weight-reducing openings 402, 404, which may be configured to reduce the overall weight of the base component and partially define a predetermined boundary 400. When openings 402, 404 are constructed, mounting portions 330, 332 may each include hub portions 420, 422, which are connected to the housing via a pair of upright portions 424, 426, 428, 430, which define openings 402, 404 therebetween.

[0046] The housing 338 has a front surface 432, a back surface 434, an inner surface 436, an outer surface 438, and a bottom surface 440 or surface. The front surface 432 may be configured with a first mounting device 442 defining a first pivot axis 444 oriented at an acute angle α relative to a first plane and a second plane, and in one embodiment also oriented at an acute angle β relative to a horizontal plane 480. In various embodiments, angles α and β are between 30 degrees and 60 degrees and include 30 degrees and 60 degrees (e.g., in one embodiment, α is 30 degrees and β is 60 degrees). In one embodiment, angle α is 45 degrees relative to the first plane and the second plane, and angle β is also 45 degrees relative to the horizontal plane. A second mounting device 446 defines a second pivot axis 448 parallel to the first pivot axis. In one embodiment, the first mounting device 442 includes spaced-apart and coaxial openings 450, 452 or sockets, and the second mounting device 446 includes spaced-apart and coaxial openings 454, 456. The opening can be formed in the surface of the housing, for example in the wall that partially defines the internal cavity 460 of the housing, or in one or more lugs extending from the body of the housing.

[0047] like Figures 8 to 11 As shown, the internal cavity 460 extends rearward from the foremost surface 462 of the front face 432 into the housing 338. In one embodiment, the cavity has sidewalls 464, 466 that are substantially perpendicular to the pivot axes 444, 448 or formed or extended at an acute angle relative to the planes 364, 366 and also relative to the horizontal plane 480. The bottom surface 440 of the housing includes a first portion 482 and a second portion 484, the first portion 482 being formed perpendicular to the pivot axes 444, 448 or at an acute angle relative to the planes and the horizontal plane, and the second portion 484 being formed parallel to the pivot axes 444, 448 or at an acute angle relative to the horizontal plane, such as... Figure 10As shown. Similarly, the top surface 486 of the cavity is formed parallel to the pivot axes 444, 448, or at an acute angle to the planes 364, 366 and the horizontal plane 480 and parallel to the bottom surface 440, forming a second portion 484. In one embodiment, the cavity 460 has a rectangular cross-section oriented at 45 degrees relative to the vertical and horizontal planes. The cavity 460 includes a rear wall 488. An inclined surface 490 intersects with and extends upward and outward from the top surface 486 of the cavity, and intersects with the front surface 432. The inclined surface 490 is oriented at an angle relative to the vertical plane and may be parallel to the pivot axes 444, 448. Alternatively, the inclined surface 490 may not be parallel to the pivot axes 444, 448. Figure 8 and Figure 10 As shown, the support platform 492 extends from the cavity and has a support surface 494 oriented parallel to the pivot axes 444, 448. A pair of spaced-apart limiting holes 496, 498 are formed on the front surface and aligned along an axis or plane extending perpendicular to the pivot axes 444, 448. Limiting pins may be disposed in the limiting holes and may extend or retract to limit the rotation of the linkage mechanism, as further described below.

[0048] refer to Figure 10 and Figures 12 to 14 The rear surface 434 of the housing 338 includes an internally sloping rear surface portion 500, an external or peripherally vertical rear surface portion 501, and a pair of spaced-apart lugs or mounting devices 504 defining a pivot axis 506, which in one embodiment may be horizontal. A lower support platform 508 extends rearward from the housing 338 in a cantilever configuration. Upper fastener openings 510 and lower fastener openings 512 extend forward into the rear surface of the rear surface 434. Figure 8 , Figure 10 , Figure 12 , Figure 13 and Figure 15 As shown, a channel 514 is formed between a front surface 432 and a back surface 434, and specifically communicates with a cavity 460. The channel 514 may include opposing sidewalls 515 having a vertical orientation and a bottom wall 521 having at least one portion having an orientation parallel to at least one of the portions 440.

[0049] The battery mount or retainer 502 includes a support housing 517 having a bottom 519 that mounts above and surrounds the cantilever support platform 508. A pair of fasteners 522, 524 secure the housing to the rear surface of the housing 338 at openings 510, 512. The battery mount 502 includes a pair of rearwardly extending electrical contacts 526. A wire 128 or flexible cable is electrically connected to the battery mount 502 and extends forward from the rear side of the battery mount 502 through a channel 514 and into / through a cavity 460. The wire has a connector 198 at its distal end, which can be electrically connected to an electric motor 210, as described in more detail below. The phrase "electrical connection" or "electrical connection" refers to, for example, a direct or indirect connection to an intermediate component such as a printed circuit board that controls the operation of the motor 210. A latch 518, configured to be pivotally connected to a rod of mounting device 504, is secured to base member 5 and adjacent to the top of battery mounting member 502 by means of a pin or shaft 523. A latch pin entry hole 520 is provided in the base member to allow removal or release of the pin connecting the latch.

[0050] The battery 500 can be located on or hooked onto the support platform 508 and rotated to make electrical contact or connection with the electrical contact 526. The latch 518 can be rotated downwards to engage with the battery 500 to secure the battery to the battery mount 502 and maintain electrical connection with the electrical contact 526. The top 516 of the battery 500 and the latch 518 are located outside the second volume and below the frame corner 167 and the predetermined boundary 400. The battery 500 has a center of gravity 530 disposed between the first plane 364 and the second plane 366. In one embodiment, the battery 500 has a total width (W3) disposed between the first plane 364 and the second plane 366, such as... Figure 12 As shown.

[0051] In one example, the base member 5 can be manufactured by forging and machining, and the battery mounting member 502 can be manufactured by injection molding. The battery mounting member, made of plastic (e.g., glass-filled nylon), reduces the weight, cost, and difficulty of manufacturing the base member. The base member 5 can be made of metal (e.g., aluminum). The base member 5 can be made of a first material, and the battery mounting member 502 can be made of a second material. The first material can be a different material from the second material. In other embodiments, the base member and the battery mounting member can be integrally formed from the same material.

[0052] refer to Figure 12Cable 128 electrically connects a power source (such as battery 500) to a component of movable member 600 at battery mount 502 of base member 5. For example, as discussed further below, cable 128 electrically connects the power source 500, which is connected to base member 5, to a printed circuit board (PCB) 204 supported within movable member 600. In other examples, cable 128 may electrically connect the power source to a component within base member 5, one of links 602, 604, or the chain guide assembly or cage assembly 9, instead of electrically connecting it to movable member 600. In addition to or instead of cable 128, which electrically connects the power source to the PCB of movable member 600, other cables may be provided to electrically connect the power source to components within the rear derailleur.

[0053] Linkage mechanism

[0054] Reference Figures 2A to 6B and Figure 10 The base member 5 is connected to the pivoting mechanism 700 at the second bottom connection end 31. The pivoting mechanism 700 defines a four-bar linkage, which includes the base member 5, one or more links 602, 604, and a movable member 600. In one embodiment, the pivoting mechanism 700 is configured as a parallelogram linkage with a first link 602 or inner pivot arm, a second link 604 or outer pivot arm, and four pivot pins 702, 704, 706, 708, also referred to as shafts. The first pivot pin 702 and the second pivot pin 704 are mounted to a first mounting device 442 and a second mounting device 446 and define pivot axes 444, 448. The pins are secured in the mounting devices by clamps 714 of end caps 710, 712 and circumferential grooves 717 on the engaging pins 702, 704. At least a portion of each of the first pin 702 and the second pin 704 is disposed between the first plane 364 and the second plane 366, such as Figure 6B As shown. In one embodiment, at least one face or inner boundary or surface of each of the mounting devices 442, 446 is disposed between the first plane 364 and the second plane 366. In this way, the load applied to the base member 5 by the connecting rods 602, 604 can be borne by the mounting portions 330, 332 and transferred to the frame 2 without generating a moment arm.

[0055] A torsional bias spring 716 is coaxially mounted on a first pin 702, while a torsional clutch spring 718 is coaxially mounted on a second pin 704. A bushing 728 may be disposed between the second pin 704 and the clutch spring 718. The first end of the first link 602 or the inner pivot arm is pivotally connected to the mounting device 446 or the base member 5 by means of a pivot pin 704, while the first end of the second link 604 or the outer pivot arm is pivotally fixed to the mounting device 442 or the base member 5 by means of a pivot pin 702. The first leg 722 of the bias spring engages the upper pivot arm or link 604, while the second leg 720 engages the surface 494 of the support platform 492. Similarly, the first leg 724 of the clutch spring engages the lower pivot arm, while the second leg 726 engages the front surface of the housing. Limit screws 730, 732 may be positioned in limit screw holes and extend or retract to limit the rotational travel of the linkage mechanism. When the first link 602 and the second link 604 are pivotable relative to the first mounting device and the second mounting device, the end 734 of the second link 604 or the outer pivot arm is movable within the cavity 460. In other embodiments, the end of the link 602 may also be movable within the cavity 460. The top surface 486, sidewalls 464, 466, and rear wall 488 are dimensioned and spaced apart relative to the axis 444 to provide and allow rotation of the end 734 within the cavity 460.

[0056] Movable components

[0057] The movable member 600 (also referred to as a P-steering knuckle) is pivotally connected to the second end of the first link 602 and the second link 604 via shafts or pins 706, 708. The movable member 600 may be configured with an electric motor 210, which is connected to one or both of the first link 602 and the second link 604 to allow the link and the movable member 600 to pivot relative to the base member 5.

[0058] refer to Figures 17 to 20 The movable member 600 includes a cover 200 attached to the body of the movable member 600. The cover 200 helps to hold the cable 128 and helps to prevent water and debris from reaching the connection between the connector 198 and the components of the movable member 600. Furthermore, in the illustrated embodiment, the movable member 90 includes a drive arm 203 that transmits the force of the gear train to a linkage mechanism to move the movable member.

[0059] Reference Appendix Figure 17 and Figure 18Connector 198 can connect to a corresponding connector 202 on PCB 204 housed within movable member 600. When power supply 500 is mounted on base member 5, power supply (e.g., battery 500) supplies power to components electrically connected to PCB 204 via electrical contacts 526 or pins, cable 128, connector 198, and connector 202. PCB 204 supports any number of components within movable member 600 and / or power supply 500 supplies power to any number of components within movable member 600. For example, as... Figure 17 and Figure 18 As shown in the example, PCB 204 supports one or more antennas 206 (e.g., two antennas), and power supply 500 supplies power to the motor via motor connectors 208 electrically connected to two different sides of PCB 204. PCB 204 may support additional, fewer, or different components and / or power supply 500 may supply power to additional, fewer, or different components.

[0060] refer to Figure 19 and Figure 20 The movable component 600 may include, for example, a motor 210, a transmission system 212, and an encoder 214 supported by and electrically connected to a PCB 204. A power supply 500 supplies power to the motor 210 and drives the transmission system 212 via an output worm gear 216. The electric motor 210 drives the transmission system 212 to move the movable component, which in turn causes the chain 4 to move between different sprockets.

[0061] In one embodiment, a gearshift or derailleur may include: a mounting portion for mounting to a bicycle frame; an electrical portion attached to the mounting portion and including power alignment and attachment features; and a cable electrically connected to the electrical portion and electrically connectable to a printed circuit board (PCB) of a movable member movably coupled to the mounting portion. The mounting portion and the electrical portion may be formed of different materials. The electrical portion may have a first side and a second side, the second side opposite to the first side. The first side of the electrical portion may be attached to the mounting portion. The electrical portion may include a recess at the second side. The recess may form alignment features.

[0062] In one embodiment, the derailleur may further include at least one electrical contact electrically connected to a cable, the at least one electrical contact extending at least partially through the electrical portion. When a power source is positioned within a recess in the electrical portion, the at least one electrical contact may be electrically connected to the power source.

[0063] In one embodiment, the mounting portion may be formed of aluminum, and the electrical portion may be formed of plastic.

[0064] In one embodiment, the derailleur may further include a power holding member rotatably attached to an electrical component. The derailleur may also include a protrusion extending from a surface remote from the electrical component. The power holding member is rotatable between a first rotational position relative to the electrical component and a second rotational position relative to the electrical component. The power holding member and the protrusion may form an attachment feature. The protrusion may be formed on a mounting portion.

[0065] In one embodiment, the electrical components may be positioned behind the mounting portion relative to the forward direction of the bicycle.

[0066] In one implementation, the cable may extend through a channel in the mounting section.

[0067] In one embodiment, the derailleur may further include a movable member and a linkage mechanism. The linkage mechanism may be attached to a mounting portion and operable to facilitate movement of the movable member relative to the mounting portion. The derailleur may further include a power source mounted to an electrical component using alignment and attachment features. The derailleur may further include a motor operable to cause movement of the movable member. The power source may supply power to the motor via a cable. The motor may be disposed on the movable member. The derailleur may further include a cage rotatably attached to the movable member, the cage being configured to engage the bicycle chain and maintain tension in the bicycle chain. The derailleur may further include a damper disposed on the movable member and configured to prevent rotation of the cage. The derailleur may further include a biasing member configured to bias the cage along the direction of rotation of the cage.

[0068] In one embodiment, the PCB includes a wireless communication device for receiving wireless signals to control the motor.

[0069] The descriptions of the embodiments described herein are intended to provide a general understanding of the structure of the various embodiments. These descriptions are not intended to be used as a complete description of all elements and features of devices and systems utilizing the structures or methods described herein. Many other embodiments will be apparent to those skilled in the art upon reading this disclosure. Other embodiments can be utilized and derived from this disclosure, such that structural and logical substitutions and changes can be made without departing from the scope of this disclosure. Furthermore, the illustrations are representative only and may not be drawn to scale. Some scales in the illustrations may be exaggerated, while others may be minimized. Therefore, this disclosure and the accompanying drawings should be considered illustrative rather than restrictive.

[0070] While this specification contains numerous details, these should not be construed as limiting the scope of the invention or the scope of the claims, but rather as descriptions of features characteristic of particular embodiments of the invention. Certain features described in the context of individual embodiments may also be implemented in combination in a single embodiment. Conversely, various features described in the context of a single embodiment may also be implemented individually or in any suitable sub-combination in multiple embodiments. Furthermore, although features may be described above as operating in certain combinations, and even initially claimed in this way, one or more features from a claimed combination may be removed from that combination in some cases, and the claimed combination may be for sub-combinations or variations thereof.

[0071] Similarly, although operations and / or actions are depicted in the accompanying drawings and described herein in a specific order, this should not be construed as requiring such operations to be performed in the specific order shown or sequentially, or requiring the execution of all shown operations to achieve the desired result. In some cases, multitasking and parallel processing may be advantageous. Furthermore, the separation of various system components in the above embodiments should not be construed as requiring such separation in all embodiments, and it should be understood that any described program components and systems can generally be integrated together in a single software product or packaged into multiple software products.

[0072] One or more embodiments of this disclosure may be referred to herein individually and / or collectively by the term "invention," for convenience only and not intended to actively limit the scope of this application to any particular invention or inventive concept. Furthermore, although specific embodiments have been shown and described herein, it should be understood that any subsequent arrangements designed to achieve the same or similar purpose may replace the specific embodiments shown. This disclosure is intended to cover any and all subsequent modifications or variations of the various embodiments. After reading this specification, combinations of the above embodiments, as well as other embodiments not specifically described herein, will be apparent to those skilled in the art.

[0073] This abstract of disclosure is provided to conform to 37 C. FR § 1.72(b), and is provided in the understanding that it will not be used to interpret or limit the scope or meaning of the claims. Additionally, in the foregoing detailed description, various features may be grouped together or described in a single embodiment for the purpose of making the disclosure fluent. This disclosure should not be construed as reflecting an intention that the claimed embodiments require more features than expressly recited in each claim. Rather, as reflected in the appended claims, the inventive subject matter may involve fewer features than all of any of the disclosed embodiments. Therefore, the claims are incorporated into the detailed description, wherein each claim independently defines the claimed subject matter separately.

[0074] The foregoing specific embodiments should be considered illustrative rather than restrictive, and it should be understood that the claims, including all equivalents, are intended to define the scope of the invention. The claims should not be construed as limiting to the described order or elements unless stated as having such an effect. Therefore, all embodiments within the scope and spirit of the appended claims and their equivalents are claimed as part of the invention.

[0075] Although embodiments have been described for illustrative purposes, those skilled in the art will understand that various modifications, additions, and substitutions can be made without departing from the scope and spirit of this disclosure. Therefore, it is intended that the foregoing description be considered illustrative rather than restrictive, and it should be understood that all equivalents and / or combinations of embodiments and examples are intended to be included in this specification.

[0076] Although certain parts, components, features, and methods of operation and use have been described herein in accordance with the teachings of this disclosure, the scope of this patent is not limited thereto. Rather, this patent covers all embodiments that fall entirely within the scope of permissible equivalents of the teachings of this disclosure.

Claims

1. A bicycle derailleur, the bicycle derailleur comprising: A base member capable of being mounted to a bicycle frame, the base member comprising: a laterally spaced first mounting portion and a second mounting portion, the first mounting portion and the second mounting portion defining a parallel first plane and a second plane, and a space defined between the first mounting portion and the second mounting portion, wherein the space is sized to receive a portion of the bicycle frame; A movable member having a retainer assembly attached to the movable member; A linkage mechanism arranged in the space between the movable member and the base member, the linkage mechanism connecting the movable member to the base member and operable to allow the movable member to move relative to the base member; A motor configured to move the movable member relative to the base member; A power source, configured to supply power to the motor; and An electrical conductor that connects the power source to the motor extends between the parallel first and second planes and into the space between the movable member and the base member.

2. The bicycle derailleur according to claim 1, wherein, The first mounting portion and the second mounting portion define a laterally extending first axis of rotation, and the base member is configured to rotate about the first axis of rotation.

3. The bicycle derailleur according to claim 1, wherein, The linkage mechanism has links arranged in a parallelogram, and the electrical conductor is at least partially located within the parallelogram.

4. The bicycle derailleur according to claim 3, wherein, The link in the parallelogram is in an inclined orientation.

5. The bicycle derailleur according to claim 1, wherein, The motor is an electric motor.

6. The bicycle derailleur according to claim 5, wherein, The motor is located at the movable component.

7. The bicycle derailleur according to claim 1, wherein, The power supply is supported by the first mounting portion and the second mounting portion.

8. The bicycle derailleur according to claim 7, wherein, The power source is detachably connected to the bicycle derailleur.

9. The bicycle derailleur according to claim 8, wherein, The power source is a battery.

10. The bicycle derailleur according to claim 1, further comprising: A first mounting device defines a first pivot axis, which is oriented at an acute angle relative to the first plane and the second plane; as well as A second mounting device, the second mounting device defining a second pivot axis parallel to the first pivot axis; A cavity defined behind the first mounting device and the second mounting device; A first link, which is pivotally connected to the first mounting device; and The second link is pivotally connected to the second mounting device; The movable component is pivotally connected to the first link and the second link.

11. The bicycle derailleur according to claim 10, wherein, The first mounting device and the second mounting device are defined on the front side of the base member, and the power supply is connected to the back side of the base member.

12. The bicycle derailleur according to claim 11, wherein, The base member includes a channel extending between the front and the back sides, and the electrical conductor extends through the channel.

13. The bicycle derailleur according to claim 1, wherein, The first mounting portion and the second mounting portion each include a first arm and a second arm, wherein the first arm and the second arm each include a first inner surface and a second inner surface that define the first plane and the second plane, respectively.

14. The bicycle derailleur according to claim 13, wherein, The first arm and the second arm have a predetermined first length and a second length, the first length and the second length being sufficient to allow the base member to rotate about the first axis of rotation, and wherein the space between the first mounting portion and the second mounting portion includes a volume having a periphery shaped to match the outer periphery of the bicycle frame.

15. The bicycle derailleur according to claim 1, wherein, The power source includes a center of gravity positioned between the first plane and the second plane.

16. The bicycle derailleur according to claim 1, further comprising: A drivetrain, which is housed within the movable member, wherein the motor is configured to drive the drivetrain to move the movable member relative to the base member.

17. The bicycle derailleur according to claim 15, wherein, The transmission system and the motor are located at the movable component.

18. The bicycle derailleur according to claim 1, further comprising: A washer, which is coaxially and rotatably mounted to the first mounting portion, wherein one of the first mounting portion or the washer includes a first stop, and the other of the first mounting portion or the washer includes a second stop, wherein the first mounting portion is rotatable relative to the washer between an engaged position and a disengaged position, wherein the first stop engages with the second stop in the engaged position and disengages from the second stop in the disengaged position.

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