Bicycle derailleur

Abstract

A bicycle derailleur includes a base member mountable to a bicycle frame and having transversely spaced first and second mounting portions defining first and second planes, and a space between the first and second mounting portions sized to receive a portion of the bicycle frame. First mounting means define a first pivot axis oriented at an acute angle with respect to the first and second planes. Second mounting means define a second pivot axis parallel to the first pivot axis. A first link is pivotally connected to the first mounting means, and a second link is pivotally connected to the second mounting means. A movable member is pivotally connected to the first and second links. A battery can be mounted on the base member and electrically connected with a motor carried by the movable member.

Description

TECHNICAL FIELD

[0001] The present application relates generally to bicycle derailleurs, including, for example, but not limited to, bicycle rear derailleurs. BACKGROUND

[0002] Bicycle derailleurs are typically incorporated into the drivetrain of a bicycle. A typical drivetrain also includes a crank assembly coupled to one or more drive sprockets. The crank assembly is operable to drive a chain, which is guided or wrapped around one of the drive sprockets. The chain can also be guided to one of the wheels of the bicycle, e.g., the rear wheel, where the chain can engage one or more driven sprockets. A derailleur is provided as part of the drivetrain. For example, one derailleur (e.g., a front derailleur) can be positioned adjacent to the one or more drive sprockets, while another derailleur (e.g., a rear derailleur) can be positioned adjacent to the driven sprockets, e.g., adjacent to the rear wheel. The derailleur(s) can be actuated to selectively shift the chain of the drivetrain between the drive sprockets, and / or to selectively shift the chain between one or more of the driven sprockets. Shifting the chain of the bicycle from one drive sprocket to another drive sprocket or from one driven sprocket to another driven sprocket changes the gear ratio of the drivetrain. The rear derailleur can also apply tension to the chain to tighten slack and maintain a desired tension in the chain on the non-driving side of the drivetrain.

[0003] Typically, rear derailleurs are attached to bicycles with a derailleur hanger designed to break or bend when the rear derailleur is impacted in order to limit damage to the frame. For example, the hanger is attached to the frame and then the derailleur is rotatably attached to the hanger below the frame. The hanger typically includes a single flange that connects and cantilevers from only one side of the frame, which makes it more prone to failure. Recently, bicycle frames have been developed that are extremely durable and robust such that it is necessary but inconvenient to incorporate a separate hanger, which can require additional maintenance and repair. Furthermore, multiple bicycle frame manufacturers can provide various shapes and instructions when attaching a derailleur hanger. This makes it inconvenient for the rider to find the correct hanger when needed.

[0004] Rear derailleurs typically used on road bicycles are constructed with linkages oriented at an angle, allowing for a more compact and accurate geometry along the chain cassette of the bicycle. At the same time, it can be desirable to incorporate a motor or electrical components into the rear derailleur in order to enable wireless shifting of the gears and / or various diagnostic tasks. The compact arrangement combined with the required space for the battery can make it difficult to connect the rear derailleur directly to the bicycle frame without an intermediate hanger while also maintaining proper alignment with the driven sprockets. SUMMARY

[0005] In one aspect, one embodiment of a bicycle derailleur includes a base component mountable to a bicycle frame. The base component 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 component includes a first mounting device and a second mounting device, the first mounting...

[0006] The device defines a first pivot axis oriented at an acute angle relative to a first plane and a second plane, and the second mounting device defines 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. Movable members are pivotally connected to the first and second links.

[0007] On the other hand, one embodiment of a bicycle derailleur includes a base member that can be mounted to a bicycle frame. The base member includes a first mounting portion and a second mounting portion that are laterally spaced apart, defining parallel first and second planes.

[0008] The two mounting portions define a space between the first and second mounting portions. This space is sized to accommodate a portion of the bicycle frame, and the first and second mounting portions define a first axis of rotation extending orthogonally to a first plane and a second plane. The base includes a front side having a first mounting device and a second mounting device, the first mounting device defining a first axis of rotation oriented at an acute angle relative to both the first and second planes, and the second mounting device defining a second axis of rotation parallel to the first axis of rotation. The back side includes a battery mount.

[0009] The assembly has a centerline positioned between a first plane and a second plane. A channel extends between a front and a back. A first link is pivotally connected to a first mounting device, and a second link is pivotally connected to a 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.

[0010] In another aspect, an embodiment of a bicycle derailleur can include a base member mountable to a bicycle frame, wherein the base member includes laterally spaced first and second mounting portions defining parallel first and second planes, a space defined between the first and second mounting portions. The space is sized to receive a portion of the bicycle frame. The first and second mounting portions define a first axis of rotation extending laterally. The base member further includes a back face and a front face having a first mounting device defining a first pivot axis oriented at an acute angle relative to the first and second planes, a second mounting device defining a second pivot axis parallel to the first pivot axis, and a cavity defined rearward of 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 in the cavity upon pivoting of the first and second links relative to the first and second mounting devices. A movable member is pivotally connected to the first and second links.

[0011] Various aspects and embodiments of the derailleur, as well as methods for use and assembly thereof, can provide significant advantages over other derailleur and methods. For example, and without limitation, the mounting portions provide for the derailleur to be mounted directly to the bicycle frame without an intervening hanger. At the same time, the derailleur is configured to provide for the links to be oriented at an acute angle relative to the mounting portions and / or the horizontal axis even when the base member is configured with spaced mounting portions configured to be mounted directly on the bicycle frame. Battery mounts and batteries can also be incorporated into the derailleur. The spaced mounting portions provide for a stable and secure platform while accommodating the angled links and supporting the batteries in a compact arrangement below and between the mounting portions.

[0012] The foregoing paragraphs have been provided by way of general introduction, and are not intended to narrow the scope of the claims presented below. The various preferred embodiments, together with further advantages, will be best understood by reference to the following detailed description taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0013] The objects, features and advantages of the present application will become apparent after reference to the following detailed description taken in conjunction with the accompanying drawings.

[0014] Figure 1 is a side view of a bicycle assembled with a rear derailleur.

[0015] Figure 2A is an outside perspective view of one embodiment of a rear derailleur with a battery.

[0016] Figure 2B is an outside perspective view of one embodiment of a rear derailleur without a battery.

[0017] Figure 3 is a medial side perspective view of one embodiment of a rear derailleur having a battery.

[0018] Figure 4 is a front perspective view of Figure 2B the rear derailleur shown in FIG. 1.

[0019] Figure 5 is a partial front view of the rear derailleur coupled to a bicycle frame.

[0020] Figure 6A is a front perspective view of a base member pivotally connected with a pair of links.

[0021] Figure 6B is a front view of Figure 6A the base member and links shown in FIG. 2.

[0022] Figure 7 is a partial side perspective view of the base member coupled to a bicycle frame.

[0023] Figure 8 is a front perspective view of one embodiment of a base member.

[0024] Figure 9 is a medial side perspective view of Figure 8 the base member shown in FIG. 3.

[0025] Figure 10 is a front view of Figure 8 the base member shown in FIG. 4.

[0026] Figure 11 is a lateral side perspective view of Figure 8 the base member shown in FIG. 5.

[0027] Figure 12 is a rear view of Figure 8 the base member shown in FIG. 6.

[0028] Figure 13 is a lateral side perspective view of Figure 8 the base member shown in FIG. 7.

[0029] Figure 14 is a medial side perspective view of Figure 8 the base member shown in FIG. 8, with wires coupled to the battery mount.

[0030] Figure 15 is a cross-sectional view of Figure 14 the base member shown in FIG. 9, taken along line 15-15.

[0031] Figure 16 is an exploded view of one embodiment of a base member, and first and second links.

[0032] Figure 17 is a perspective view of one example of a printed circuit board (PCB) supported within a portion of a movable member, with a cable connected to the PCB.

[0033] Figure 18 is Figure 17 is a perspective view of the PCB and movable member portion of

[0034] Figure 19 is a side view of one example of a gear train and motor supported within a portion of a movable member.

[0035] Figure 20 is a cross-sectional view through Figure 19 the gear train and motor components supported by the portion of the movable member of DETAILED DESCRIPTION

[0036] It should be appreciated that the term“a number of” as used herein means two or more. The term“longitudinal” as used herein means length or lengthwise direction or relating to the length or lengthwise direction. The term“lateral” as used herein means located, directed, or extending on, in, or along a side-to-side or axial direction 8. The term“coupled” means connected, either directly or indirectly, with or to, for example, intervening structures or elements, and does not require an engagement that is fixed or permanent, although it can be either. The terms“first,”“second,” and the like as used herein do not connote an order, quantity, or importance, but rather are used to distinguish one element from another, meaning that a component designated as the“first” component can later be a“second” component, depending on the order in which they are referred to. It is also to be understood that the designations of“first” and“second” do not necessarily mean that the two components or values so designated are different, meaning that, for example, a first direction can be the same as a second direction, with each simply being applied to a different component. The terms“upper,”“lower,”“rear,”“front,”“front,”“rear,”“vertical,”“horizontal,”“right,”“left,”“inboard,”“outboard,” and variations or derivatives thereof, refer to the orientation of the components or features as they appear from the perspective of a user seated on the bicycle 150 shown in FIG. 1, for example, with the direction 201 extending from the user’s perspective. Figure 1 The term“lateral” means non-parallel. The terms“outboard” and“outward” mean a direction or feature away from a central location, for example, the phrases“radially outward,”“radial direction,” and / or derivatives thereof mean a feature diverging away from a central location, for example, as shown in FIG. 1. 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.

[0037] bike

[0038] 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.

[0039] 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.

[0040] 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.

[0041] With reference to Figures 1 to 5 The rear derailleur 180 can include a cage assembly 9 movably coupled to the base member 5. The cage assembly 9 is movable relative to the base member 5 in opposite first and second translational directions (e.g., inboard and outboard). The cage assembly 9 can also be movable relative to the movable member 600 and the base member 5 in opposite first and second rotational directions (e.g., clockwise and counterclockwise rotation) about a laterally extending axis 153, or can be movable relative to the base member 5 with a combination of translation and rotation. In particular, the cage assembly 9 is rotatably connected to the movable member 600 with a fastener that extends in a lateral direction and defines the rotational axis 153. The cage assembly can be rotated clockwise about the axis 153 of the fastener to tighten slack in the chain 4 that is engaged with the chain cassette 3, the upper chainring 23, and the lower chainring 22. The upper chainring 23 and the lower chainring 22 are rotatably connected to the cage assembly 9. The cage assembly 9 can include one or both of an outer cage 24 secured to an inner cage 25, for example, with fasteners 29, 30 configured as screws, snap fits, and / or other known suitable securing devices.

[0042] Base member

[0043] With reference to Figures 1 to 5 and Figure 16, the rear derailleur 180 includes a base member 5, otherwise referred to as a b-knuckle, which can be attached to the bicycle frame 2 with an adapter 310. In one embodiment, the adapter 310 includes a fastener, such as a bolt 304, which threadably engages a through shaft 300, the hub 302, wheel 162, and chain cassette 3 of which are supported on the frame 2. In one embodiment, the bolt 304 has an internal thread that is engaged by the shaft 300 when the bolt 304 is rotated in a counterclockwise direction. The bolt 304 extends through a bushing 312, which engages and is disposed in a hole 360 of a mounting portion 332. The bushing 312 supports the mounting portion 332 on the bolt 304. The bushing 312 can be made of a non-metallic material to reduce any rattling noise. A washer 314 or shaft stop is non-rotatably engaged with the bushing 316 by a raised portion received in a recess 318 formed around an inner circumferential periphery of the washer 314. The bushing 316 is mounted in a through opening of a corner of the frame. A nut 320 or washer is disposed at an end of the bushing and includes a flange that defines a pair of stops 414 and a circumferential recess 416 therebetween. The bolt 304 threadably engages the nut 320. A spring 322 biases the nut 320 away from the frame 2 when the bolt 304 is loosened. The nut 320 includes a knurled surface that is pressed into the frame 2 when the bolt 304 is tightened, thereby securing the angular position of the nut 320. Two protruding elements or stops 414 on the nut 320 limit the range of angular movement of the base member 5 relative to the frame 2. Once engaged with the through shaft 300, the bolt 304, nut 320, and washer 314 are non-rotatable relative to the frame 2. The base member 5 is removably coupled to the frame 2 with the adapter, but is free to pivot or rotate about the axis 152 relative to the adapter 310 and frame 2.

[0044] In one embodiment, and with reference to Figures 2A to 16 , the base member 5 is configured with a first mounting portion 330 and a second mounting portion 332 at the top connecting end 21 of the base member. In one embodiment, the mounting portions 330, 332 can be configured as first and second arms 334, 336 that extend upwardly from a bottom housing portion 338 of the base member 5. The mounting portions or arms are spaced apart from one another in the transverse axial direction 8 and define a space 350 therebetween. As Figure 10As shown, the space 350 has a width (Wl) sized to receive a portion of the bicycle frame 2, shown as the junction of the seat stay 165 and chain stay 164 or corner 167 of the frame 2. The first mounting portion 330 and the second mounting portion 332 each have an opening 360, 362 that partially defines a laterally extending rotational axis 152. In one embodiment, the rotational axis 152 has a horizontally oriented, for example when the bicycle is in an upright riding position. The mounting portions 330, 332 each define a plane 364, 366 along a pair of opposing inner faces or surfaces 368, 370. In one embodiment, the planes 364, 366 and the faces or surfaces 368, 370 have parallel vertical orientations. It should be appreciated that in one embodiment, the faces or surfaces can not be parallel or planar, but the faces can still define a pair of parallel and / or vertical planes that are derived from points on or tangent to the faces that are spaced apart from one another. In this manner, the surfaces still define theoretical parallel planes. The mounting portions 330, 332 also have outer faces or surfaces 372, 374 that outwardly diverge away from one another in opposite directions, where the outer faces define a total width (W2) of the connection end. For example, as shown, the outer surfaces can not be parallel, with the outer surface or face 372 lying in a vertical plane, while the outer surface or face 374 defines an angle Figures 6B to 14 In one embodiment, the mounting portions 330, 332 or arms 334, 336 of the base member 5 are disposed on opposite sides of the right frame corner 167, such that in the mounted state, the first arm 334 is disposed on the inside of the frame 2 and the second arm 336 is disposed on the outside of the frame 2. The corner 167 of the frame 1 includes a frame opening 7 that extends coaxially with the axis 152. In the mounted state, the bolt 304 passes through the opening 360 in the arm 336 of the base member 20 and through the frame opening 7 and threadably engages with the shaft 300.

[0045] As Figures 8 to 11 ​As shown, the first and second arms 334, 336 have a predetermined first and second length (D) 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 the corner 167 thereof. The space 350 between the arms defines a first volume (VI). In particular, the first volume (VI) is defined by the inner surfaces 368, 370, the top surface 382 of the housing portion, and the perimeters 390, 392 of the arms. This space or first volume includes a second volume (V2) shaped to match an outer perimeter 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 (VI) defines the second volume (V2) over the entire rotational path of the base member 5 relative to the frame 2. The first volume VI is greater than the second volume V2. In other words, the inner surfaces 368, 370 each include a predetermined footprint defined by the superimposed portion of the frame corner 167 when connected to the base member 5. The predetermined footprint has a predetermined bottom boundary 400 that can extend along the top of openings 402, 404 formed in or on the arms below the openings 360, 362. The boundary 400 is positioned above the upper surface of the battery 500 and the battery holder 502, which are described further below, such that the battery 500 and battery holder 502 do not interfere with the rotation of the base member 5 relative to the frame 2.

[0046] The arm 334 has a cylindrical recess 406 formed along its inner surface, and a rim portion 408 extending partially around the opening 362 on the outer surface. The opening 362 has a first diameter. An opening 410 is positioned in the arm 334 adjacent the first opening 362. A stop 412 can be secured in the opening and extend inwardly into the space 350 between the mounting portions 330, 332. The stop 412 can be configured as a pin that threadably engages the opening 410. A nut 320 is disposed in the recess 406, with the base member 5 or first mounting portion 330 rotatable relative to the nut 320. The washer 320 is configured with a pair of circumferentially spaced stops 414 defining a recess 416 therebetween. The mounting portions 330, 332 can be rotated or rotatable about the axis 152 relative to the nut 320 between an engaged position in which the stop 412 engages one of the stops 414, and a disengaged position in which the stop 412 is disposed in the recess 416 and disengaged from both stops 414. The stops 414, and the length of the recess 416 therebetween, limit the entire rotational travel of the base member 5 relative to the frame 2. In one embodiment, the stop 412 engages the front stop 414 during normal riding.

[0047] 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.

[0048] 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.

[0049] like Figure 10 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 8As shown, the top surface 486 of the cavity is formed parallel to the pivot axes 444, 448, or a second portion 484 that is at an acute angle relative to the planes 364, 366 and the horizontal plane 480 and parallel to the bottom surface 440. In one embodiment, the cavity 460 has a rectangular cross-section, oriented at 45 degrees relative to a vertical plane and a horizontal plane. The cavity 460 includes a back wall 488. An inclined surface 490 intersects the top surface 486 of the cavity and extends upwardly and outwardly from the top surface 486 of the cavity and intersects the front face 432. The inclined surface 490 is oriented at an angle relative to a vertical plane and can be parallel to the pivot axes 444, 448. Alternatively, the inclined surface 490 can not be parallel to the pivot axes 444, 448. As shown, the inclined surface 490 is oriented at an angle relative to the horizontal plane 480. The inclined surface 490 can be oriented at an angle relative to the horizontal plane 480 that is less than 90 degrees, or less than 60 degrees, or less than 45 degrees, or less than 30 degrees, or less than 15 degrees, or less than 10 degrees, or less than 5 degrees, or less than 2 degrees, or less than 1 degree. The inclined surface 490 can be oriented at an angle relative to the horizontal plane 480 that is greater than 90 degrees, or greater than 100 degrees, or greater than 110 degrees, or greater than 120 degrees, or greater than 130 degrees, or greater than 140 degrees, or greater than 150 degrees, or greater than 160 degrees, or greater than 170 degrees, or greater than 180 degrees. The inclined surface 490 can be oriented at an angle relative to the horizontal plane 480 that is between 90 degrees and 180 degrees, or between 100 degrees and 180 degrees, or between 110 degrees and 180 degrees, or between 120 degrees and 180 degrees, or between 130 degrees and 180 degrees, or between 140 degrees and 180 degrees, or between 150 degrees and 180 degrees, or between 160 degrees and 180 degrees, or between 170 degrees and 180 degrees, or between 90 degrees and 180 degrees. Figure 10 and Figure 10 As shown, a 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 limit holes 496, 498 are formed on the front face and are aligned along an axis or plane that extends perpendicular to the pivot axes 444, 448. A limit pin can be disposed in the limit holes and can be extended or retracted so as to limit rotation of the linkage, as further described below.

[0050] Referring to Figures 12 to 14 and Figure 8 The back face 434 of the housing 338 includes an inner inclined back surface portion 500, an outer or peripheral vertical back surface portion 501, and a pair of spaced apart lugs or mounting devices 504 that define a pivot axis 506, which in one embodiment can be horizontal. A lower support platform 508 extends rearwardly from the housing 338 in a cantilevered configuration. An upper fastener opening 510 and a lower fastener opening 512 extend forwardly into the back surface of the back face 434. As shown, Figure 10 , Figure 12 , Figure 13 , Figure 15 and Figure 12 A channel 514 is formed between the front face 432 and the back face 434 and in particular communicates with the cavity 460, as shown. The channel 514 can include opposing side walls 515 having a vertical orientation and a bottom wall 521 having at least one portion oriented parallel to at least one of the portions 440.

[0051] The battery mount or holder 502 includes a support housing 517 that fits over and around the bottom 519 of the cantilevered support platform 508. A pair of fasteners 522, 524 secure the housing to the rear surface of the housing 338 at the openings 510, 512. The battery mount 502 includes a pair of rearwardly extending electrical contacts 526. The wires 128 or flexible cables are electrically coupled to the battery mount 502 and extend forward from the rear side of the battery mount 502 through the passageway 514 and into / through the cavity 460. The wires have connectors 198 at the distal ends of the wires that can be electrically coupled with the electric motor 210, as described in more detail below. The phrase "electrically coupled" or "electrically connected" refers to, for example, a direct or indirect connection with an intermediate component such as a printed circuit board that can control the operation of the motor 210. The latch 518, which is configured to pivotally connect to the stem of the mounting device 504, is secured to the base member 5 with a pin or shaft 523 adjacent the top of the battery mount 502. A latch pin entry hole 520 is provided in the base member to allow the pin connecting the latch to be removed or released.

[0052] The battery 500 can be positioned on or hooked over the support platform 508 and rotated into electrical contact or connection with the electrical contacts 526. The latch 518 can be rotated downward into engagement with the battery 500 to secure the battery to the battery

[0053] mount 502 and maintain electrical connection with the electrical contacts 526. The top 516 of the battery 500 and the latch 518 are disposed 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 an overall width (W3) disposed between the first plane 364 and the second plane 366, as shown in Figure 12

[0054] In one example, the base member 5 can be manufactured by forging and machining, and the battery mount 502 can be manufactured by injection molding. The battery mount 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 mount 502 can be made of a second material. The first material can be a different material than the second material. In other embodiments, the base member and the battery mount can be integrally formed of the same material.

[0055] Reference is made to Figures 2A to 6B ​Cable 128 electrically connects a power source (such as battery 500), which can be electrically connected to a component of movable member 600 at battery mount 502 on base member 55. For example, as discussed further below,

[0056] Cable 128 electrically connects the power supply 500 to the base member 5 to the printed circuit board (PCB) 204 supported within the movable member 600. In other examples, cable 128 may electrically connect the power supply to a component within the base member 5, one of the links 602, 604, or the chain guide assembly or cage assembly 9, instead of to the movable member.

[0057] Electrical connection of component 600. In addition to or in place of cable 128 which electrically connects the power supply and the PCB of movable component 600, other cables may be provided to electrically connect the power supply to components within the rear derailleur.

[0058] Linkage mechanism

[0059] Reference Figure 10 and Figure 6B 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 and one or more...

[0060] Links 602 and 604 and a movable member 600. In one embodiment, the pivoting mechanism 700 is configured as a parallelogram linkage mechanism, which includes a first link 602 or inner pivot arm, a second link 604 or outer pivot arm, and four pivot pins 702, 704, 706, and 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 and 448. The pins are secured in the mounting devices by means of end caps 710 and 712 and clamps 714 with circumferential grooves 717 on the engaging pins 702 and 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 Figures 17 to 20 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.

[0061] A torsion bias spring 716 is coaxially mounted on the first pin 702, while a torsion clutch spring 718 is coaxially mounted on the second pin 704. A bushing 728 can be disposed between the second pin 704 and the clutch spring 718. The first link 602 or first end of the inner pivot arm is pivotally connected to the mounting device 446 or base member 5 with a pivot pin 704, while the first end of the second link 604 or outer pivot arm is pivotally secured to the mounting device 442 or base member 5 with 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. Likewise, 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 can be positioned in limit screw holes and extended or retracted to limit the rotational travel of the link mechanism. As the first link 602 and the second link 604 are pivotable relative to the first and second mounting devices, an end 734 of the second link 604 or outer pivot arm is movable within the cavity 460. In other embodiments, the end of the link 602 is also movable within the cavity 460. The top surface 486, side walls 464, 466, and back wall 488 are sized and spaced relative to the axis 444 so as to provide and allow rotation of the end 734 within the cavity 460.

[0062] movable member

[0063] The movable member 600 (otherwise referred to as a P-knuckle) is pivotally connected to the second ends of the first and second links 602, 604 with shafts or pins 706, 708. The movable member 600 can be configured with an electric motor 210 coupled to one or both of the first and second links 602, 604 to pivot the links and the movable member 600 relative to the base member 5.

[0064] with reference to Figure 17 The movable member 600 includes a cover 200 attached to the body of the movable member 600. The cover 200 helps to retain the cable 128 and helps to prevent water and debris from reaching the connections between the connectors 198 and the components of the movable member 600. Further, in the embodiment shown, the movable member 90 includes a drive arm 203 that transmits the force of the gear train to the link mechanism to move the movable member.

[0065] with reference to the accompanying Figure 18 and Figure 17connector 198 can be connected to a corresponding connector 202 on a PCB 204 housed within the movable member 600. When the power source 500 is installed on the base member 5, the power source (e.g., battery 500) powers components electrically connected to the PCB 204 via the electrical contacts 526 or pins, the cable 128, the connector 198, and the connector 202. The PCB 204 supports any number of components within the movable member 600 and / or the power source 500 powers any number of components within the movable member 600. For example, as shown in the examples of Figure 18 and Figure 19 , the PCB 204 supports one or more antennas 206 (e.g., two antennas) and the power source 500 powers a motor via motor connections 208 that electrically connect the PCB 204 on two different sides. The PCB 204 can support additional, fewer, or different components and / or the power source 500 can power additional, fewer, or different components.

[0066] Referring to Figure 20 and ​ , the movable member 600 can include, for example, a motor 210, a drive train 212, and an encoder 214 supported by the PCB 204 and electrically connected via the PCB 204. The power source 500 powers the motor 210 and drives the drive train 212 via an output worm gear 216. The electric motor 210 drives the drive train 212 to move the movable member, which in turn moves the chain 4 between the different sprockets.

[0067] In one embodiment, a gear shift or derailleur can include a mounting portion mountable to a bicycle frame, an electrical portion attached to the mounting portion and including a power source alignment and attachment feature, and an electrical 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 can be formed of different materials. The electrical portion can have a first side and a second side opposite the first side. The first side of the electrical portion can be attached to the mounting portion. The electrical portion can include a recess at the second side. The recess can form the alignment feature.

[0068] In one embodiment, the derailleur can further include at least one electrical contact electrically connected to the electrical cable, the at least one electrical contact extending at least partially through the electrical portion. The at least one electrical contact can be electrically connectable with a power source when the power source is positioned within the recess of the electrical portion.

[0069] In one embodiment, the mounting portion can be formed of aluminum and the electrical portion can be formed of plastic.

[0070] In one embodiment, the derailleur can further include a power source retention member rotatably attached to the electrical portion. The derailleur can further include a protrusion extending away from a surface of the electrical portion. The power source retention member can be rotatable between a first rotational position relative to the electrical portion and a second rotational position relative to the electrical portion. The power source retention member and the protrusion can form an attachment feature. The protrusion can be formed on the mounting portion.

[0071] In one embodiment, the electrical portion can be disposed rearward of the mounting portion relative to a forward direction of the bicycle.

[0072] In one embodiment, the cable can extend through a passage of the mounting portion.

[0073] In one embodiment, the derailleur can further include a movable member and a linkage mechanism. The linkage mechanism can be attached to the mounting portion and operable to facilitate movement of the movable member relative to the mounting portion. The derailleur can further include a power source mounted to the electrical portion with the alignment and attachment features. The derailleur can further include a motor operable to cause movement of the movable member. The power source can provide power to the motor through the cable. The motor can be disposed on the movable member. The derailleur can further include a cage rotatably attached to the movable member, the cage being configured to engage a chain of the bicycle and maintain tension in the chain of the bicycle. The derailleur can further include a damper disposed on the movable member and configured to resist rotation of the cage. The derailleur can further include a biasing member configured to bias the cage in a direction of rotation of the cage.

[0074] In one embodiment, the PCB includes a wireless communication device for receiving wireless signals to control the motor.

[0075] The descriptions of the embodiments described herein are intended to provide a general understanding of the structure of various embodiments. The descriptions are not intended to serve as a complete description of all elements and features of apparatuses and systems utilizing the structures or methods described herein. After reading this disclosure, many other embodiments will be apparent to those of ordinary skill in the art. Other embodiments can be utilized and other changes can be made without departing from the scope of the disclosure. In addition, the drawings are only representative and can be simplified for the sake of clarity. Certain proportions of the components in the drawings can be exaggerated, while others can be minimized. Accordingly, the disclosure and the drawings should not be construed as limiting, but rather construed as illustrative.

[0076] Although the description contains many details, these should not be construed as limiting the scope of the application or of the claims that follow it. Rather, these should be construed as describing particular embodiments that are directed to specific details to support the disclosure of the application. Some features described in the context of separate embodiments can also be implemented together in a single embodiment. Conversely, various features described in the context of a single embodiment can also be implemented separately or in any suitable subcombination. Moreover, although features can be described above as acting in certain combinations and even initially claimed as such, one or more features from a claimed combination can in some cases be excised from the combination and the claimed combination can be directed to a subcombination or variation of a subcombination.

[0077] Similarly, while operations and / or actions are depicted in the drawings and described herein in a particular order, this should not be understood as requiring such order nor that all illustrated operations be performed to achieve desirable results. In certain circumstances, multitasking and parallel processing can be advantageous. Moreover, the separation of various system components in the implementations described above should not be understood as requiring such separation in all implementations, and it should be understood that the described program components and systems can generally be integrated in a single software product or packaged into multiple software products.

[0078] One or more embodiments of the disclosure can be referred to herein, individually and / or collectively, by the term "application" merely for convenience and without intending to voluntarily limit the scope of this application to any particular application or inventive concept. Additionally, although a specific embodiment has been illustrated and described herein, it will be appreciated that any subsequent arrangement designed to achieve the same or similar purpose, whether manually or electronically composed, can be substituted for the specific embodiments shown. This disclosure is intended to cover any and all subsequent adaptations or variations of various embodiments. Combinations of the above embodiments, and other embodiments not specifically described herein, will be apparent to those of reasonable skill in the art upon reading the above description.

[0079] The abstract of the disclosure is provided to comply with 37 C.F.R. § 1.72(b) and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. In addition, in the foregoing Detailed Description, for purposes of explanation, numerous specific details were set forth in order to provide a thorough understanding of the present disclosure. Accordingly, the present disclosure is not intended to be limited by the foregoing detailed description. Rather, it is the following claims, including all equivalents thereof, that are intended to define the scope of the present disclosure.

[0080] The foregoing detailed description has been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in light of the above teaching. It is intended that the scope of the invention be limited not with this detailed description, but rather by the claims appended hereto.

[0081] While implementations have been described for purposes of illustration and description, it will be understood by those skilled in the art that various modifications, additions and substitutions can be made without departing from the scope and spirit of the present disclosure. Accordingly, it is intended that the foregoing description be considered as illustrative only of the principles of the present disclosure. It is the following claims, including all equivalents thereof, that are intended to define the scope of this disclosure.

[0082] While certain aspects, components, features and methods have been described a certain way, it is understood that other aspects, components, features and methods can be made without departing from the scope and spirit of the present disclosure. Accordingly, it is intended that the present disclosure be construed as illustrative only and not limiting of the disclosure.

Claims

1. A bicycle derailleur, the bicycle derailleur comprising: A base component capable of being mounted to a bicycle frame, wherein the base component comprises: A first mounting portion and a second mounting portion are laterally spaced apart, the first mounting portion and the second mounting portion defining a first plane and a second plane that are parallel, a space being defined between the first mounting portion and the second mounting portion, wherein the space is sized to receive a portion of the bicycle frame, and wherein the first mounting portion and the second mounting portion define a laterally extending first axis of rotation. A first mounting device, the first mounting device defining a first pivot axis, the first pivot axis being oriented at an acute angle relative to the first plane and the second plane; and A second mounting device, the second mounting device defining a second pivot axis parallel to the first pivot axis; A first link, which is pivotally connected to the first mounting device; A second link, pivotally connected to the second mounting device; and A movable member, pivotally connected to the first link and the second link, The base component includes a front surface, which includes a cavity positioned behind the first mounting device and the second mounting device. The sidewalls of the cavity extend perpendicularly to the first pivot axis and the second pivot axis, and the top surface of the cavity is formed parallel to the first pivot axis and the second pivot axis. The front surface also includes an inclined surface communicating with one side of the cavity. The inclined surface intersects with the top surface of the cavity and extends upward and outward from the top surface of the cavity and intersects with the front surface.

2. The bicycle derailleur according to claim 1, wherein, The movable component includes an electric motor.

3. The bicycle derailleur according to claim 2, wherein, The first mounting device and the second mounting device are defined on the front side of the base member, and the bicycle derailleur also includes a battery connected to the back side of the base member, wherein the battery is electrically connected to the electric motor.

4. The bicycle derailleur according to claim 3, wherein, The base component includes a channel extending between the front and the back sides, and the bicycle derailleur also includes a wire electrically connected between the battery and the electric motor, wherein the wire extends through the channel.

5. The bicycle derailleur according to claim 3, 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.

6. The bicycle derailleur according to claim 5, wherein, The battery includes a center of gravity disposed between the first plane and the second plane.

7. The bicycle derailleur according to claim 6, 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, and wherein the battery has an upper surface positioned outside the volume.

8. The bicycle derailleur according to claim 1, further comprising a washer 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 the first stop disengages from the second stop in the disengaged position.

9. The bicycle derailleur according to claim 5, wherein, The first mounting device and the second mounting device are positioned on the front surface, wherein the first link and the second link are pivotally connected to the first mounting device and the second mounting device respectively by means of a first shaft and a second shaft, and wherein at least a portion of each of the first shaft and the second shaft is disposed between the first plane and the second plane.

10. The bicycle derailleur according to claim 9, wherein, At least one of the first link and the second link includes a first end portion that is movable within the cavity when the first link and the second link are pivotable relative to the first mounting device and the second mounting device.

11. The bicycle derailleur according to claim 1, further comprising: The platform is disposed adjacent to the cavity; And a spring having a first portion engaging the platform and a second portion engaging one of the first link or the second link.

12. The bicycle derailleur according to claim 1, wherein, The first pivot axis is oriented at a 45-degree angle relative to the first plane and the second plane.

13. A bicycle derailleur, the bicycle derailleur comprising: A base component capable of being mounted to a bicycle frame, wherein the base component comprises: A first mounting portion and a second mounting portion are laterally spaced apart, the first mounting portion and the second mounting portion defining a first plane and a second plane that are parallel, a space being defined between the first mounting portion and the second mounting portion, wherein the space is sized to receive a portion of the bicycle frame, and wherein the first mounting portion and the second mounting portion define a laterally extending first axis of rotation. Front side, the front side includes: A first mounting device, the first mounting device defining a first pivot axis, the first pivot axis being oriented at an acute angle relative to the first plane and the second plane; and A second mounting device, the second mounting device defining a second pivot axis parallel to the first pivot axis; The back side includes a battery mounting member having a centerline disposed between the first plane and the second plane and parallel to the first plane and the second plane; and A channel that extends between the front and the back sides; A first link, which is pivotally connected to the first mounting device; The second link is pivotally connected to the second mounting device; A movable member, pivotally connected to the first link and the second link, wherein the movable member includes an electric motor; and A wire, which electrically connects the battery mounting component and the electric motor, is disposed within the channel. The front surface includes a cavity positioned behind the first mounting device and the second mounting device. The sidewalls of the cavity extend perpendicularly to the first pivot axis and the second pivot axis, and the top surface of the cavity is formed parallel to the first pivot axis and the second pivot axis. The front surface also includes an inclined surface communicating with one side of the cavity. The inclined surface intersects with the top surface of the cavity and extends upward and outward from the top surface of the cavity and intersects with the front surface.

14. The bicycle derailleur of claim 13, further comprising a battery electrically connected to the battery mount, wherein, The battery is electrically connected to the electric motor via the wires.

15. The bicycle derailleur according to claim 14, wherein, The battery includes a center of gravity disposed between the first plane and the second plane.

16. The bicycle derailleur according to claim 14, wherein, The first mounting portion and the second mounting portion each include a first arm and a second arm, the first arm and the second arm having 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 rotation axis, 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, and wherein the battery has an upper surface positioned outside the volume.

17. The bicycle derailleur according to claim 14, wherein, The first link and the second link are connected to the first mounting device and the second mounting device via a first shaft and a second shaft, wherein at least a portion of each of the first shaft and the second shaft is disposed between the first plane and the second plane.

18. A bicycle derailleur, the bicycle derailleur comprising: A base component capable of being mounted to a bicycle frame, wherein the base component comprises: A first mounting portion and a second mounting portion are laterally spaced apart, the first mounting portion and the second mounting portion defining a first plane and a second plane that are parallel, a space being defined between the first mounting portion and the second mounting portion, wherein the space is sized to receive a portion of the bicycle frame, and wherein the first mounting portion and the second mounting portion define a laterally extending first axis of rotation. Front side, the front side includes: A first mounting device, the first mounting device defining a first pivot axis, the first pivot axis being oriented at an acute angle relative to the first plane and the second plane; and A second mounting device, the second mounting device defining a second pivot axis parallel to the first pivot axis; and A cavity, defined behind the first mounting device and the second mounting device; and The back; and A first link, which is pivotally connected to the first mounting device; A second link, pivotally connected to the second mounting device, wherein at least one of the first and second links includes a first end portion movable within the cavity as the first and second links pivot relative to the first and second mounting devices; and A movable member, pivotally connected to the first link and the second link, The cavity has sidewalls that extend perpendicular to the first pivot axis and the second pivot axis, and the top surface of the cavity is formed parallel to the first pivot axis and the second pivot axis. The front surface also includes an inclined surface communicating with one side of the cavity, the inclined surface intersecting the top surface of the cavity and extending upward and outward from the top surface of the cavity and intersecting the front surface.

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