Entries |
Document | Title | Date |
20080202284 | RIGHT CRANK ARM ASSEMBLY FOR A BICYCLE AND CRANK ARM AND FRONT SPROCKET - A right crank arm assembly for a bicycle, comprises a right crank arm and at least one front sprocket coupled with the crank arm at at least one coupling portion of the crank arm. The front sprocket has an inner side adapted, in use, to face towards the frame of the bicycle and an outer side opposite the inner side. The assembly comprises at least one first crank arm element which acts in contact with the front sprocket on one of said sides and at least one second crank arm element which acts in contact with the front sprocket on the other of said sides. The contact action of the crank arm elements on the two opposite sides of the front sprocket prevents the twisting deformation of the front sprocket during pedaling. Such a deformation would cause a reduction in the transmission efficiency of the right crank arm assembly. | 08-28-2008 |
20080245180 | ASSEMBLY STRUCTURE OF TREADING CRANK AND SPINDLE TUBE OF THE BIKE - The invention relates to an assembly structure of treading crank and spindle tube of the bike; wherein circularly set several convex straight ribs, with even intervals, on the inner surface of the treading crank, and there is a reserved circular space between each convex straight rib and the bottom surface of the central hole. Several circularly arranged sunken-shaped cavernous-straight troughs are set on the section of the end surface; when combining treading crank and spindle tube, make use of a suitable size of cone-expanding body and set the big bottom of said cone-expanding body at the bottom surface; then push said several cavernous-straight troughs set on the end surface of the spindle tube toward the direction of the section the convex straight ribs; said several cavernous-straight troughs will move outwardly and into the circular space between convex straight rib and the bottom surface and then to be locked. | 10-09-2008 |
20080276754 | Easy crank - In combination with a crank assembly, the improvement comprising an apparatus for improving operation of the crank assembly. The apparatus includes an elongated extension member having each of a predetermined shape, a first predetermined length and formed of a first predetermined material, such predetermined shape includes a projection on one end thereof for engagement with one end of the crank assembly. A rotatable handle member is disposed around at least a portion of the elongated extension member, such rotatable handle member having a second predetermined length and formed of a second predetermined material. There is a means for securing the rotatable handle member to the elongated handle member. | 11-13-2008 |
20080314193 | CRANK ARM ASSEMBLY AND RELATED CRANK ARM AND ELEMENT FOR TRANSMITTING TORQUE FROM THE CRANK ARM TO A BICYCLE CHAIN - A crank arm assembly for a bicycle, comprising a crank arm and an element for transferring torque from the crank arm to a bicycle chain. The crank arm (and the element for transferring torque respectively comprise first and second front coupling means provided with respective matching profiles adapted to be coupled together to transfer torque from the crank arm to the element for transferring torque. In particular, the first and second means for transferring torque comprise respective front toothings, preferably Hirth toothings. | 12-25-2008 |
20090056496 | Composite Crank Assembly - A crank assembly formed as a unitary composite structure, the crank arms and crank shaft being hollow to provide maximum weight reduction, the crank arms being over-sized to provide the necessary stiffness and strength. The unitary composite crank assembly may further include a crank claw integrally formed with the crank assembly. Additionally, a spider may be integrally formed with the crank assembly reducing the amount of parts for the assembly, increasing stiffness and reducing overall weight. | 03-05-2009 |
20090145262 | BOTTOM BRACKET ASSEMBLY FOR A BICYCLE AND SHAFT FOR SUCH AN ASSEMBLY - A bottom bracket assembly ( | 06-11-2009 |
20100018345 | INTEGRALLY CAST BICYCLE CHAIN TRANSMISSION - The chain transmission includes a crank connected to a second crank by an axle of the chain transmission while forming one piece of a single support. The chain transmission axle is housed in a chain transmission tube with the interposition of two bearings arranged around the axle of the chain transmission near the ends of the latter in order to allow rotation of the chain transmission axle in the chain transmission tube. A large chain drive sprocket wheel is located near one of the ends of the chain transmission axle and rotates concomitantly with the latter. The cranks and the chain transmission axle are made of a composite material or a hollow lightweight alloy. A first and second intermediate bushing made of an abrasion-resistant material are attached to the chain transmission axle near one respective end of the latter to receive a respective bearing. | 01-28-2010 |
20100024590 | SYSTEM AND DEVICE FOR MEASURING AND ANALYZING FORCES APPLIED BY A CYCLIST ON A PEDAL OF A BICYCLE - According to some embodiments, a sensor device for determining forces exerted by a cyclist on a pedal of a bicycle is provided. The sensor device includes a plurality of sensors coupled to a substrate, and wiring coupled to the sensors and the substrate, wherein the sensors, the substrate, and the wiring are housed inside a pedal spindle coupled to the pedal. The sensor device may also be used in a system for improving a pedaling technique of a cyclist. | 02-04-2010 |
20100058889 | BICYCLE COMPONENT AND METHOD FOR MAKING SUCH A COMPONENT - A pedal crank for a bicycle comprising structural fibers incorporated in a matrix of polymeric material which has two seats in which two metal inserts are received. The seats have a mouth which opens onto the outer surface of the pedal crank and have a geometry such as to allow the insertion of the inserts from outside of the pedal crank. | 03-11-2010 |
20100229675 | UNITARY CRANK SPINDLE ASSEMBLY AND METHOD OF FABRICATION - A bicycle is provided having a unitary steering tube-crown member and a unitary crank arm-spindle member. A multistage aluminum 3D forging process is used to form the unitary members. This may allow the fabrication of components with substantially hollow interior areas to reduce weight, reduce part count while maintaining high strength and ductility. The multistage 3D forging process provided also allows the combination of multiple components into a single unitary part. | 09-16-2010 |
20100236356 | BICYCLE CRANK SHAFT ASSEMBLY - A bicycle crank shaft assembly includes first, second and third members. The first member defines first (crank axle), second (first segment of first crank arm) and third (first segment of second crank arm) portions, the first, second and third portions of the first member being integral and continuous with each other and having a generally s-shaped configuration. The second member defines a second segment of the first crank arm, and the third member defines a second segment of the second crank arm. The first and second segments of the first crank arm are bonded to each other with a bond seam therebetween to define the first crank arm, and the first and second segments of the second crank arm are bonded to each other with a bond seam therebetween to define the second crank arm. At least one of the crank axle, the first crank arm and the second crank arm is hollow. | 09-23-2010 |
20100242668 | BICYCLE WITH A BEARING - A bicycle ( | 09-30-2010 |
20100275724 | INSERT FOR BICYCLE CRANK ARM - A crank arm is provided, having a body made of a composite material, the body defining two apertures, each aperture defining a plurality of recesses. Each of the recesses extends outwardly a distance from a center of the corresponding aperture and widens as the distance increases. Inserts made of a material surrounding the inside edge of each aperture, and each insert has extensions fitting within a corresponding recess. When the crank arm is cooled, the material shrinks relative to the body, and the recesses maintain the insert in position during the cooling process. | 11-04-2010 |
20100326233 | BICYCLE CRANK ASSEMBLY - An improved bicycle crankshaft assembly, including a crank axle with an axial axial axis, a first axle end, and a second axle end axially opposed to the first axle end; a first crank arm connected to the crank axle at a first crank arm interface adjacent the first axle end; a second crank arm connected to the crank axle at a second crank arm interface axially spaced from the first crank arm interface; a first bearing surrounding said crank axle adjacent said first axle end for rotation of said crank axle about said axial axis; a second bearing surrounding the crank axle and axially spaced from the first bearing. The crank axle includes reinforcement fibers for structural reinforcement of the crank axle and the crank axle is an integral crank axle that extends through the first bearing and the second bearing. | 12-30-2010 |
20100326234 | DEVICE FOR ASSEMBLING/DISASSEMBLING BICYCLE PEDALS AND ASSEMBLY FOR CONTROLLING ASSEMBLING/ DISASSEMBLING BY ONE STEP - A device for disassembling and assembling bicycle pedals comprises a bicycle crank ( | 12-30-2010 |
20110011201 | Bicycle Bottom Bracket Assembly That Is Assembled Closely and Tightly - A bottom bracket assembly for a bicycle includes a bottom bracket, two axles mounted on the bottom bracket and two cranks each having a mounting tube mounted on the respective axle. Each of the axles has a first engaging face, and the mounting tube of each of the cranks has a second engaging face engaging the first engaging face of the respective axle. Thus, the first engaging face extends through a partial portion of the circumference of each of the axles, and the second engaging face extends through a partial portion of the circumference of the mounting tube of each of the cranks to reduce the clearance between the mounting tube and the respective axle, so that the mounting tube of each of the cranks and the respective axle are combined together closely and tightly. | 01-20-2011 |
20110011202 | Bicycle crank - A bicycle crank comprises an L-type left crank and an L-type right crank. The L-type left/right cranks are respectively and integrally composed of a crank and a connection head, and includes a through hole passing through the crank and the connection head, a left compression shaft and a right compression shaft respectively disposed to terminals of the through holes of the L-type left/right cranks, a cone shaped member in which two ends are respectively disposed in the left and right compression shafts and the inner surface has screw threads, a rotary sleeve that is a hollow and integrally formed, and two locking members in which a terminal has screw threads corresponding to the cone shaped member and for respectively passing through the through holes and locked to two ends of the cone shaped member to connect the L-type left crank and the L-type right crank. | 01-20-2011 |
20110067523 | Pedal shaft for bicycles - A pedal shaft for bicycles with elbow-shaped cams allows the dead centre of the pedaling motion to be cancelled out, thus resulting in more power with less exertion. | 03-24-2011 |
20110120262 | Crankarm and crankset comprising same - A crankset comprises an axle assembly, a removably attached crankarm, and a non-removably attached crankarm. The removably attached crankarm is attached at a first end portion thereof to a first end portion of the axle assembly. The non-removably attached crankarm is attached at a first end portion thereof to a second end portion of the axle assembly. Each one of the crankarms has a plurality of longitudinal holes therein extending between the first and second end portions thereof. The longitudinal holes each extend through an end face of a respective one of the crankarms at the first end portion thereof. The removably attached crankarm is bent inwardly toward the second end portion of the axle assembly after the longitudinal holes are formed therein. Only one of the longitudinal holes of the removably attached crankarm intersects an axle fastener engagement hole that extends through the first end portion of the removably attached crankarm. | 05-26-2011 |
20110239815 | DRIVE DEVICE COMPRISING A DRIVE SHAFT AND DRIVING CRANKS - A drive device for a machine, which has a drive shaft that can be rotated about an axis, and two driving cranks which are connected to the shaft in an angularly rigid manner in relation to the axis thereof. In order to determine the torque applied to the drive shaft in a simple and economical manner, the drive device has at least one magnetostrictive body connected to the driving cranks in a fixed manner, and a magnetic field sensor for measuring the magnetic stray field of the magnetostrictive body. | 10-06-2011 |
20120079914 | COMBINATION OF BICYCLE CRANK AND SHAFT - A crank has a connection portion with a connection recess defined therein which has an engaging recess, a reception recess and a reception groove. The engaging recess is located at a closed end of the connection recess and the reception recess is located at an opened end of the connection recess. The reception groove is located between the engaging recess and the reception recess. An axle has an engaging portion at an end thereof and the engaging portion is engaged with the engaging recess. A guide surface is defined in an outer periphery of the cylindrical body. A ring-shaped washer is mounted to the cylindrical body and securely fills into the reception groove and the gap between the axle and the reception recess. | 04-05-2012 |
20120186388 | Crank mechanism for bicycles - A crank mechanism for bicycles, in particular racing bicycles on roads, unpaved roads or tracks, includes a winch rod, pedaling members coupled with an end of the rod, and an arm of a connecting rod, of which one end is rotatably coupled with respect to the rod in correspondence of the end of the rod. The pedaling means are rigidly fixed to an opposite end of said arm. | 07-26-2012 |
20120260767 | BICYCLE WITH BEARING PRELOAD MECHANISM - A crankset for a bicycle that includes a first crank, a second crank, a spindle, a bearing, and a preload mechanism. Each of the first crank and the second crank has an end adapted to engage a pedal. The spindle defines an axis and includes a first end that is coupled to the first crank and a second end that is coupled to the second crank. The bearing positioned around the spindle between the first crank and the second crank to permit rotation of the spindle. The preload mechanism is coupled to the spindle between the bearing and the first crank. The preload mechanism includes a washer that extends circumferentially around the spindle and a cam member that is engageable with the washer to move the washer along the axis to preload the bearing. | 10-18-2012 |
20120304810 | FLEXIBLE BICYCLE CRANK - Spindles and cranks for bicycles are disclosed herein. An embodiment of a spindle comprises a first spindle portion comprising a first end and a second end. The first end is substantially opposite the second end, wherein a first bicycle crank arm is attachable to the first end. A second spindle portion comprises a first end and a second end. The first end is substantially opposite the second end, wherein a second bicycle crank arm is attachable to the first end. A spring device is connected between the first spindle portion and the second spindle portion. The first spindle portion second end is located proximate the second spindle portion second end. | 12-06-2012 |
20130068066 | BICYCLE CRANK ARM AND INSERT THEREFORE - A crank arm for a bicycle may include a body extending along a body axis and having a first body end and a second body end axially spaced apart from the first body end. The insert may also include an insert provided toward the first body end. The insert may include a base portion having a radially outer surface. At least one extension may extend outwardly from the radially outer surface and may be encased within a corresponding recess in the body whereby relative planar movement between the body and the at least one extension in a first plane. The retaining portion may have a retaining portion width measured in the first direction and the retaining width may be greater than the throat width thereby inhibiting relative radial movement between the at least one extension and the recess and preventing radial extraction of the extension from the corresponding recess. | 03-21-2013 |
20130087011 | BICYCLE CRANK ARM - A bicycle crank arm has a body member and a cover member that at least partially overlies a peripheral surface of the body member. The body member includes a crank axle attachment portion that has a crank axle receiving opening. A slit extends from the peripheral surface of the body member to the crank axle receiving opening. A fastener bore extends transversely through the slit for adjusting the crank axle receiving opening in size. The peripheral surface of the body member has abutments located on opposite sides of the slit. The abutments are arranged relative to the slit such that the abutments move closer together as the crank axle attachment portion is squeezed to decrease the crank axle receiving opening in size. The cover member contacts the abutments and moves with the abutments as the crank axle attachment portion is squeezed to decrease the crank axle receiving opening in size. | 04-11-2013 |
20130091981 | BICYCLE CRANK ASSEMBLY - A bicycle crank assembly is basically provided with a crank axle, a first outer shell member, a second outer shell member, a first crank axle supporting member and a second crank axle supporting member. The crank axle has an end portion with an external mounting surface and an internal mounting surface. The first and second outer shell members are arranged relative to each other with a space being formed between the first and second outer shell members. The first crank axle supporting member is disposed on the first outer shell member and supports the external mounting surface of the crank axle. The second crank axle supporting member is disposed on the first outer shell member and supports the internal mounting surface of the crank axle. | 04-18-2013 |
20130112038 | Transmission for electric bicycles for detecting a torque and related method for electric bicycles for detecting a torque - A transmission for electric bicycles to detect a torque applied to a pedal crank shaft, includes a pedal crank shaft upon which the torque acts, a hollow shaft configured to connect to an output, through which the pedal crank shaft extends coaxially, and which is supported rotatably with respect to the pedal crank shaft, a sensor shaft offset in parallel with respect to the pedal crank shaft and a force sensor connected to the sensor shaft. The transmission includes a drive-side sensor transmission and an output side sensor transmission. The drive-side sensor transmission connects the pedal crank shaft to the sensor shaft and the output-side sensor transmission connects the sensor shaft to the hollow shaft, which is configured to be connected to an output, and the drive-side sensor transmission has a gear ratio which differs from the gear ratio of the output-side sensor transmission. A corresponding method is also described. | 05-09-2013 |
20130133477 | BICYCLE CRANK AXLE ASSEMBLY - A bicycle crank axle assembly has first and second crank arms that are attached to opposite ends of a crank axle. The ends of the crank axle are non-rotatably disposed in axle mounting openings of the first and second crank arms. A first end of the crank axle has at least one axially extending first spline that protrudes radially outward from an outer peripheral surface of its middle body portion. The at least one axially extending first spline non-rotatably couples the crank axle to the first crank arm and prevents outward axial movement of the first crank arm away from the second crank arm. The second end portion of the crank axle has at least one recess that extend radially inward with respect to the outer peripheral surface of the middle body portion to form at least one axially extending second spline. | 05-30-2013 |
20130192416 | CRANK SPINDLE ASSEMBLY AND METHOD OF FABRICATION - A crank assembly for a bicycle is provided. The crank assembly includes an integrally formed unitary body. The body includes an arm first portion and an arm second portion extending on an angle from one end of the arm first portion. An enclosed cavity is disposed between the arm first portion and the arm second portion. The cavity has a first width at a first end in the arm first portion and a second width at an end of the arm second portion, the cavity and the arm first portion defining a first wall thickness in a first direction, the cavity and the arm second portion defining a second wall thickness in a second direction. The first wall thickness and the second wall thickness are substantially equal. A boss portion extends from an end of the arm second portion opposite the first arm portion. | 08-01-2013 |
20130233126 | BICYCLE CRANK ARM WITH AN INPUT FORCE PROCESSING APPARATUS - A bicycle crank arm comprises a first crank arm member having a first sensor-mounting surface and a second crank arm member having a second sensor-mounting surface. A first sensor is mounted to the first sensor-mounting surface, and a second sensor mounted to the second sensor-mounting surface. | 09-12-2013 |
20130247712 | CRANK MECHANISM - It is a kind of crank mechanism that consists of a crank and a link. There are two key parts: one is a crank, it is to do a revolving motion; another is a link, it is to draw the crank. The purpose is to change the route of motion. | 09-26-2013 |
20130283969 | BICYCLE CRANK ARM - A bicycle crank arm is provided with a crank body, a reference member and a sensor. The crank body has a crank axle mounting portion and a pedal mounting portion. The reference member is attached to the crank body. The sensor is attached to at least one of the crank body and the reference member. The sensor is arranged to output a signal based on a distance between the crank body and the reference member. | 10-31-2013 |
20130283970 | BICYCLE DRIVE ASSEMBLY - A bicycle drive assembly includes a spindle installed in a bicycle, a first crank arm and a second crank arm respectively mounted at two distal ends of the spindle, the first crank arm being rotatable on the axis of the spindle in a first direction of rotation to drive the bicycle forwards, the first crank arm being fastened to the spindle by a screw joint in a second direction of rotation that is the same direction of the first direction of rotation to ensure tight connection between the first crank arm and the spindle when the user is riding the bicycle to pedal the first crank arm. | 10-31-2013 |
20140047946 | RIGHT CRANK ARM ASSEMBLY FOR A BICYCLE AND CRANK ARM THEREOF - A right crank arm assembly for a bicycle, comprises a right crank arm, a first annular element directly coupled with said crank arm at at least one first coupling portion of said first annular element and at least one second annular element coupled with said crank arm and of a smaller size than said first annular element. The first annular element comprises a toothing that extends radially towards the outside along a primitive circumference having a predetermined diameter. Said at least one first coupling portion is entirely contained in a first area extending radially towards the outside starting from an ideal circumference having a diameter at least equal to ⅔ of said predetermined diameter. Such an annular element constitutes the front sprocket of the crank arm assembly of the present invention and consists of a simple toothed band. Such a front sprocket is particularly light in weight. | 02-20-2014 |
20140047947 | BICYCLE CRANK ASSEMBLY - A bicycle crank assembly is provided with a crank arm that includes a first outer shell, a second outer shell, and a pedal attachment structure. The first outer shell is a one-piece, pressed sheet metal member with the projecting part being a bent portion that defines the first pedal axle opening. The first outer shell has a projecting part projecting from the first outer shell in an axial direction. The first and second outer shells are adhesively attached together to form an interior cavity. The pedal attachment structure includes an abutment face with a recess formed in the abutment face such that the abutment face contacts the first outer shell adjacent the first pedal axle opening and the projecting part of the first outer shell is disposed in the recess of the pedal attachment structure. | 02-20-2014 |
20140047948 | CRANKARM AND CRANKSET COMPRISING SAME - A crankset comprises an axle assembly, a drive-side crankarm, and a non-drive crankarm. The drive-side crankarm is attached at a first end portion thereof to a first end portion of the axle assembly. The non-drive crankarm is attached at a first end portion thereof to a second end portion of the axle assembly. Each one of the crankarms has a plurality of longitudinal holes therein extending between the first and second end portions thereof. The longitudinal holes each extend through an end face of a respective one of the crankarms at the first end portion thereof. The drive-side crankarm is bent inwardly toward the second end portion of the axle assembly after the longitudinal holes are formed therein. Only one of the longitudinal holes of the drive-side crankarm intersects an axle fastener engagement hole that extends through the first end portion of the drive-side crankarm. | 02-20-2014 |
20140069229 | BIKE EXTENDABLE CRANK - A bike extendable crank includes an extendable crank unit. The extendable crank unit includes an immovable crank and a movable crank. The immovable crank has a slide trough therein, a limit groove at one side thereof and a main axle hole above the limit groove. One end of the movable crank has a first pivot hole for connection of a pedal and another end of the movable crank has a second pivot hole for connection a guide axle. The movable crank is slidably received in the slide trough of the immovable crank. The guide axle inserting through the second pivot hole of the movable crank slides in the limit groove of the immovable crank. | 03-13-2014 |
20140109722 | BOTTOM BRACKET ASSEMBLY OF A BICYCLE AND LEFT CRANK ARM ASSEMBLY THEREOF - A bicycle bottom bracket assembly that reduces the accumulation of dirt and/or corrosive substances inside the shaft extending between the crank arms of the assembly. The bottom bracket assembly includes a shaft having a through-cavity that extends along its longitudinal direction; a crank arm is associated with each end portion of the shaft, and the through-cavity extends unobstructed through the crank arms and the shaft. | 04-24-2014 |
20140144285 | BICYCLE CRANK AXLE ASSEMBLY - A bicycle crank axle assembly has first and second crank arms that are attached to opposite ends of a crank axle. The ends of the crank axle are non-rotatably disposed in axle mounting openings of the first and second crank arms. A first end of the crank axle has at least one axially extending first spline that protrudes radially outward from an outer peripheral surface of its middle body portion. The at least one axially extending first spline non-rotatably couples the crank axle to the first crank arm and prevents outward axial movement of the first crank arm away from the second crank arm. The second end portion of the crank axle has at least one recess that extend radially inward with respect to the outer peripheral surface of the middle body portion to form at least one axially extending second spline. | 05-29-2014 |
20140157948 | CRANK DETACHABLE HOLDER - A crank detachable holder is provided with a crank arm attachment part and a holding part. The crank arm attachment part has a mounting opening dimensioned to receive a bolt for connecting the crank arm to a crank axle. The holding part connected to the crank arm attachment part. The crank detachable holder is preferably part of a bicycle crank arm assembly. | 06-12-2014 |
20140182413 | BICYCLE CRANK ARM AND BICYCLE CRANK ASSEMBLY - A bicycle crank arm includes a first member and a second member. The first member has a crank axle interacting portion and a first recessed part around the crank axle interacting portion. The second member is attached to the first member. The first member has a first side facing the second member and a second side opposite to the first side. The first recessed part is recessed from the second side toward the first side such that the first recessed part includes an attachment area attached to the second member on the first side. | 07-03-2014 |
20140345419 | BICYCLE CRANK ARM AND INSERT THEREFORE - A crank arm for a bicycle may include a body extending along a body axis and having a first body end and a second body end axially spaced apart from the first body end. The insert may also include an insert provided toward the first body end. The insert may include a base portion having a radially outer surface. At least one extension may extend outwardly from the radially outer surface and may be encased within a corresponding recess in the body whereby relative planar movement between the body and the at least one extension in a first plane. The retaining portion may have a retaining portion width measured in the first direction and the retaining width may be greater than the throat width thereby inhibiting relative radial movement between the at least one extension and the recess and preventing radial extraction of the extension from the corresponding recess. | 11-27-2014 |
20150007688 | CRANK ARM - A crank arm is provided, which includes a first connecting member and a second connecting member used for joining the first connecting member. The first connecting member has a first wall surface, the first wall surface is provided with a joint wall of an annular structure, and a wall surface of the joint wall is a concave-convex surface. The second connecting member is provided with a second wall surface opposite to the first wall surface, an annular wall and two facing ribs extend from the second wall surface, and the annular wall and the ribs have a groove there-between for fitting the joint wall therein. Therefore, a contact area of the first connecting member and the second connecting member is increased, and a shear force resisting function is provided. | 01-08-2015 |
20150329170 | CRANKSHAFT DEVICE FOR BICYCLE - [Object] To provide a full float type crankshaft device for bicycle which allows a sub-assembly formed by integrating crankshafts to be mounted on a body side. | 11-19-2015 |
20160159430 | PEDAL-DRIVEN VEHICLE CRANK - A crank assembly for a pedal-driven vehicle includes a first member, a second member, and a rotary sensor. The first member rotates about a crank axis of the pedal-driven vehicle. The second member is rotationally coupled to the first member and is configured to pivot about the first member via a member pivot. The second member also is configured to receive a pedal at a pedal interface. The rotary sensor is coupled to the first member and configured to measure rotation of the second member relative to the first member. | 06-09-2016 |
20170233035 | CRANK-PEDAL MECHANISM FOR BICYCLE | 08-17-2017 |