| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 474153000 | With particular belt | 54 |
| 20080242461 | Belt and pulley drive for a personal wheeled vehicle - A belt and pulley drive system for a personal wheeled vehicle has a drive pulley for fixed attachment to a rotating power source and a driven pulley for fixed attachment to a wheel of the vehicle. Each of the drive pulley and the driven pulley have a belt engagement face including a plurality of cogs arranged at an oblique angle on the belt engagement faces. An endless belt extends between the drive pulley and the driven pulley and has a plurality of cogs affixed to an inner face of the endless belt that are arranged at a like oblique angle with respect to the cogs on the drive and driven pulleys for positive intermeshing engagement with the cogs on the pulleys. | 10-02-2008 |
| 20080280714 | BELT PULLEY FOR THE OUTPUT SHAFT OF A GEAR, GEAR, ELECTRIC MOTOR, AND OUTPUT SHAFT - The invention relates to a belt pulley for the output shaft of a gear being driven by an electric motor, with a support for a drive belt at the outer periphery and a receptacle for an axle in the centre, where the receptacle for the axle involves a first region, the profile of which is in such a way noncircular, that between an axle being insertable therein and the belt pulley no slip is possible, and wherein the receptacle for the axle involves a second region including at least one recess apt to allow an elastic part of the axle to snap in a form-fit way when inserted into the belt pulley through the first region. The invention further relates to a gear, to an electric motor, and to an output shaft. | 11-13-2008 |
| 20080287235 | Power transmitting chain and power transmitting apparatus - Taper portions diameters of which are increased in outer directions in longitudinal directions of a pin and an interpiece are formed at inner peripheral faces of a pin fixing portion and an interpiece fixing portion of links at least on outermost sides in the links arranged in a width direction of a chain such that deformations of the pin and the interpiece in being operated with a load become bending deformations in a direction in which the link is not drawn from the pin and the interpiece. | 11-20-2008 |
| 20090111632 | Hybrid mesh belt - A hybrid mesh belt having a mesh portion with side edges attached to modular plastic chains. The chains are provided with cavities on the bottom side. The cavities are suitable for engaging with driving sprockets that engage with the chains. | 04-30-2009 |
| 20090156341 | Belt - A belt and sprocket system comprising a tensile cord disposed within a belt body, a tooth projecting from the belt body, the tooth having a profile having at least two unequal radii connected in series and disposed between a tooth tip and a tooth root, a sprocket having a groove for receiving the tooth, the groove profile comprising at least one substantially linear portion disposed between the at least two unequal radii, a tooth tip engaging a predetermined portion of the sprocket groove such that the tensile cord is supported in a manner to cause the tensile cord to have a substantially arcuate form between the tooth roots. | 06-18-2009 |
| 20090191998 | Toothed belt drive for the use with oil - Toothed belt drive for use with oil, comprising at least a pair of toothed pulleys and a toothed belt meshing with the pulleys, wherein the toothing of the belt and the toothing of each of the pulleys have respective reference profiles with infinite radius pitch line so that the transverse clearance between a tooth of the reference profile of the belt and a groove of the reference profile of a pulley is between −0.1 mm and +0.15 mm at least in an intermediate portion of the respective sides. | 07-30-2009 |
| 20090275433 | Synchronous belt sprocket - A sprocket comprising at least one groove for engaging a toothed belt, said groove having a flank, the flank having a groove tip radii (R | 11-05-2009 |
| 20090280939 | DRIVE DEVICE FOR AT LEAST ONE MACHINE AUXILIARY UNIT - A drive device ( | 11-12-2009 |
| 20090286640 | SPROCKET FOR CHAIN - A sprocket of a chain transmission has at least two different pitch angles arranged irregularly in the direction of the circumference of the sprocket's pitch circle. The diameter of the tooth gap bottom circle of the sprocket is larger than the diameter of tooth gap bottom circle of a standard sprocket having the same number of teeth. The teeth are integrally molded as a part of the sprocket by sintering. | 11-19-2009 |
| 20090291792 | TOOTHED BELT GEAR AND A PROCESS FOR PRODUCING THE SAME - A toothed belt gear for a toothed belt drive with a cup shaped or bell-shaped base body of metal and a cogging arranged on the outside circumference of the base body, in which the cogging of the base body is closed on each of both front sides by a flanged wheel and at least one of the flanged wheels is constructed as a separate part. | 11-26-2009 |
| 20100105509 | PULLEY FOR USE WITH TOOTHED BELT - There is provided a pulley for use with a toothed belt capable of reducing the noise generated when the pulley engages with the toothed belt, while reducing the manufacturing costs and time used to manufacture the pulley. The pulley includes a disk whose inner circumference is fitly attached to a rotary shaft. The outer circumference of the pulley has teeth to be engaged with the toothed belt and flanges erected on both sides of the tooth, wherein the flanges have a plurality of through holes that penetrate through the flanges in a direction of the rotary shaft. | 04-29-2010 |
| 20120058851 | POWER TRANSMITTING TOOTHED BELT AND POWER TRANSMITTING DEVICE - A power transmitting toothed belt having improved positioning accuracy between the toothed belt and a pulley, increased durability, and reduced contact noise, comprising a rubber back layer, a plurality of core wires and a rubber layer having a plurality of belt teeth, wherein the belt teeth are at oblique angle with respect to the direction of the width of the belt. The belt teeth intersect with straight pulley teeth having a pitch equal to the pitch of the belt teeth. | 03-08-2012 |
| 20120094795 | V-SHAPED TRANSMISSION BELT AND BELT WHEEL AND METHOD OF USE - The V-shaped transmission belt has concave and convex teeth on the inner diameter surface which are designed according to the engaging transmission principle. For the belt wheel with a V-shaped groove, the concave tooth on the bottom of the V-shaped groove comprises an engaging transmission section designed according to the engaging transmission principle, and a rolling friction transmission section disposed symmetrically on two sides of the engaging transmission section. | 04-19-2012 |
| 20120202632 | BAND DRIVE SYSTEM - This invention is directed to a drive system using a metal band having a curved bias perpendicular to its long axis. Openings can be included along the band's long axis for receiving pins disposed on a gear. The gear's pins drive the band allowing the energy from the drive gear to both push and pull the band due to the curve bias of the band. | 08-09-2012 |
| 20130079186 | Looped-Cord System for Window Coverings - A looped-cord system includes a beaded cord having a set of beads connected in series to form a loop with a space between each pair of adjacent beads. In one embodiment a stop sized to fit within the space between a pair of adjacent beads is attached to a housing. A resilient finger located opposite the stop pushes a portion of the beaded cord adjacent to and not engaging the sprocket against the stop so the stop is within a space between a pair of adjacent beads, thereby preventing movement of the cord loop. Applying tension to the cord loop overcomes the resilient finger and moves the cord away from the stop enabling movement of the cord loop. In another embodiment a key engages the sprocket preventing the sprocket from turning until tension is applied to the cord loop by proper installation of the tensioner on the cord loop. | 03-28-2013 |
| 20150087454 | Band Drive System - This invention is directed to a drive system using a metal band having a curved bias perpendicular to its long axis. Openings can be included along the band's long axis for receiving pins disposed on a gear. The gear's pins drive the band allowing the energy from the drive gear to both push and pull the band due to the curve bias of the band. | 03-26-2015 |
| 20160010730 | SPROCKET FLANGE | 01-14-2016 |
| 474154000 | Belt has spherical or hemispherical drive faces | 1 |
| 20100190596 | Quiet Sprocket Device - The present invention is an improved ball-chain drive which is quiet and less prone to jamming. The ball-chain drive includes a sprocket having a plurality of regularly spaced peripheral pockets, the pockets being configured to mesh with the balls of the ball chain. The pockets of the sprocket are each dimensioned to snugly receive each of the balls of the ball-chain. In particular, the pockets each have an internal circumference greater than 180° of the external circumference of each of the balls. The balls in the ball-chain are separate from each other by a segment of cord. The pockets of the sprocket are separated from each other by a plurality of walls, each wall having a V shaped notch formed thereon having sides and a meniscus. The pockets and the V shaped notch both being dimensioned such that the segments of cord do not touch the sides of the V shaped notch when the ball-chain is wound onto the sprocket. | 07-29-2010 |
| 474155000 | Belt formed of rigid links | 36 |
| 20080220920 | Vacuum Generating Dynamic Transmission System, And Associated Methods - A vacuum-generating dynamic transmission system includes a first pulley fixed for rotation about a first axle and a second pulley fixed for rotation about a second axle. A chain rotates around the axles and the pulleys. The chain has a plurality of links, one or more of the links having a vacuum-generating device that pressurizes the chain to at least one of the pulleys. The vacuum generating device includes a movable inductor protruding from a central channel on a first side of the link, and a movable abductor within the channel and proximate a second side of the link. The first side of the link contacts a conical semipulley of the first pulley and the second side contacts a cylindrical semipulley of the first pulley, opposite the conical semipulley, as the chain rotates through the pulley. a conduit provides pneumatic communication from the central channel to the outside environment. | 09-11-2008 |
| 20090029815 | Device for transporting chains - A device is described for transport of chain lengths of varying link sizes, where the device comprises at least a first side plate for fastening on a shaft, and at least four catching arms arranged on the first side plate in a radial pattern, where each catching arm is arranged at an angle of about 90 degrees in relation to the next catching arm. | 01-29-2009 |
| 20090275434 | CHAIN WHEEL AND TIMING CHAIN DRIVE FOR THE COMPENSATION OF DYNAMIC LOADS - The invention relates to a chain wheel ( | 11-05-2009 |
| 20100016107 | SPROCKET FOR CHAIN DRIVES - The invention relates to a sprocket for chain drives, with an axis of rotation and with two groups, arranged next to and offset with respect to one another on the circumference of the sprocket, of pockets for chain links passing the sprocket in an oblique position. Each pocket is delimited laterally by a side wall and an opposite wall and, in the circumferential direction, by webs. In order that a sprocket for chain links running in obliquely can be produced more simply and to provide a better distribution of forces, according to the invention the side wall and the opposite wall of a pocket form for the chain links bearing surfaces which run obliquely with respect to the axis of rotation and which extend as far as a bottom of the pockets. | 01-21-2010 |
| 20100048337 | SPROCKET WITH ALTERNATING PITCH SPACINGS - The present invention relates to a sprocket ( | 02-25-2010 |
| 20100137085 | TIMING CHAIN DRIVE SYSTEM - In a timing chain driving system in which the speed of a driving sprocket fluctuates cyclically, the tooth pitch of a driven sprocket from which a tension span of the chain travels toward the driving sprocket varies cyclically around the circumference of the driven sprocket so that the tooth pitch at the point at which the timing chain disengages from the driven sprocket is at a minimum when the rotational speed of the driving sprocket is maximum, moderating fluctuations in chain tension. A similar effect can be achieved in the case of a driving sprocket having a cyclically varying tooth pitch by arranging the driving sprocket so that its tooth pitch is maximum at the point at which it is engaged by the chain when its rotational speed is maximum. | 06-03-2010 |
| 20100227720 | SPROCKET RANDOMIZATION FOR ENHANCED NVH CONTROL - A sprocket includes a plurality of teeth along the outer circumference of the sprocket, where the teeth include at least a first tooth variant with a first involute length between a root and a tip radii of the sprocket and a first curvature at a given radius of the sprocket and at least a second tooth variant with a second involute length between a root and a tip radii of the sprocket and a second curvature at the given radius of the sprocket. The first curvature is different than the second curvature at a given radius of the sprocket. Such variants are arranged around the circumference in a predetermined way. | 09-09-2010 |
| 20110306452 | CHAIN TRANSMISSION MECHANISM - The invention provides a chain transmission mechanism capable of alleviating impact and impact noise caused when a chain engages and contacts with a sprocket, of not increasing the impact and impact noise even if the chain transmission mechanism is driven in heavy load and in high speed, of reducing vibrations, breakage, wear and others of the chain and the sprocket and of improving its durability. Tooth bottoms of the sprocket are formed so as not contact any pin, bush or drive roller of the connector when the chain is wound around the sprocket as guide rollers rotatably supported coaxially with a pin of the chain rolls on a track along the guide rail provided on the side of teeth of the sprocket. The invention provides a guide rail around the sprocket to engage the chain an lit its impact with the sprocket as the mechanism operates. | 12-15-2011 |
| 20130116075 | METHOD AND APPARATUS FOR MANIPULATING CHAIN SEGMENTS - A chain wheel designed to haul in, pay out and/or guide a mooring chain that includes multiple chain sizes. In one configuration, the chain wheel is a dual chain wheel that includes pockets sized to support a larger chain size and pockets sized to support a smaller chain size. The pockets include flat surfaces that support links of the chain as it passes over the chain wheel. The chain wheel also includes whelps designed to support and guide chain segments into proper alignment with the chain wheel. | 05-09-2013 |
| 20140162821 | Jockey Wheel for a Rear Derailleur in a Bicycle Gear System and Rear Derailleur with such a Jockey Wheel - The invention relates to a guide wheel for a rear derailleur in a bicycle gear system for guiding a chain, including an annular wheel body with a central opening for rotatable bearing about a rotational axis of the guide wheel. The guide wheel includes a plurality of radially projecting teeth that are arranged on an outer circumferential surface of the wheel body. A tooth gap is arranged between each adjacent pair of teeth, individual teeth in the area of a root circle of the gear teeth having a predetermined tooth width matched to the chain. For improving the guiding properties, it is provided that the guide wheel has on at least some of the tooth gaps in the area near a tooth gap base and/or on at least some of the teeth at least one guide segment with a greater width than the tooth width of at least one of the adjacent teeth. | 06-12-2014 |
| 20140335986 | BICYCLE SPROCKET - A bicycle sprocket includes a sprocket body and a plurality of sprocket teeth. The sprocket teeth extend radially outwardly from an outer periphery of the sprocket body. The sprocket body includes a first layered member, a second layered member and a third layered member. The first layered member has a first axial surface and a second axial surface. The second layered member is attached to the first axial surface such that the first and second layered members overlap each other in an axial direction as viewed parallel to a rotational axis. The third layered member is attached to the second axial surface such that the first and third layered members overlap each other in the axial direction as viewed parallel to the rotational axis. At least one of the second and third layered members has at least one concavo-convex portion. | 11-13-2014 |
| 20140364259 | Chainring - Solitary chainring for a bicycle front crank and drive chain, including a plurality of teeth formed thereabout. The plurality of teeth includes a first group of teeth and a second group of teeth alternating with the first group of teeth. Each tooth includes an outer face and an inner face which is opposite the outer face, and each tooth of the first group of teeth includes at least one first protrusion on the outer face or the inner face, and each tooth of the second group of teeth is formed without a first protrusion. The first protrusion is formed by a material deformation on one face of the teeth of the first group of teeth, wherein the material deformation is achieved from the inner face or the outer face, or it is formed by an application of material on one face of the teeth of the first group of teeth. | 12-11-2014 |
| 20150065281 | CHAIN STRUCTURE - An object of the present invention is to provide a chain structure which has a simple construction and can prevent a chain from being detached from a gear tooth of a sprocket wheel due to a great wave force and prevent the chain and a flight plate from dropping so as to break members of the chain and the flight plate and the other portions of the chain structure. | 03-05-2015 |
| 474156000 | With sequential links pivoted about discrete pivot pin | 23 |
| 20090036244 | MECHANICAL SPEED REDUCER BY CHAIN - The present invention refers to a mechanism for mechanical speed reducer or in some cases for speed increase, in which for each reducing stage there are two sprockets disposed laterally and in parallel position between themselves, moreover one of them in orbital motion provided by a eccentric cam reciprocal to the reducer input element and the other sprocket disposed concentric with the input element and the torque transmission between the sprockets is done through a chain. | 02-05-2009 |
| 20090105024 | CHAIN TRANSMISSION - A hybrid chain comprises outer links composed of link plates connected in side-by-side relationship by two connecting pins fitted to holes in the outer plates, and inner links composed of link plates in spaced, side-by-side relationship and connected by two bushings on which rollers are mounted, the bushings being fitted to holes in the inner plates. The inner and outer links are connected in alternating, overlapping, relationship, with each pin of an outer link extending through a bushing of an adjacent overlapping inner link. The chain meshes with a sprocket composed of a central sprocket engaged by the rollers, and two side sprockets. The inner link plates, the outer link plates, or both, have two teeth, with outer flanks in the form of arcs each centered on the more remote pin or bushing hole. The inner link plates, outer link plates, or both, can be double-sided link plates. | 04-23-2009 |
| 20090105025 | Power transmission chain and power transmission apparatus - When disposing pins of different shapes at random, pins of small involute base circle radius are made not to be arranged contiguously, pins of relatively small length are made not to be arranged contiguously, and pins of relatively outward offset are made not to be arranged contiguously. | 04-23-2009 |
| 20090209380 | SPROCKET FOR CHAIN - A sprocket for a chain drive using a roller or bushing chain has a plurality of different pitch angles, including both pitch angles larger than the standard pitch angle, and pitch angles smaller than the standard pitch angle. The number of pitch angles in the sprocket larger than the standard pitch angle is greater than the number of pitch angles in the sprocket smaller than the standard pitch angle. | 08-20-2009 |
| 20090247337 | CHAIN TRANSMISSION DEVICE - In a chain transmission using a hybrid chain having inner and outer links with bushings, or with bushings and rollers, the rollers mesh with a central sprocket, and the link plates have teeth that function as a silent chain, meshing with side sprockets fixed to the central sprocket. The teeth of the link plates of the inner links have a shape different from that of the teeth of the link plates of the outer links. The outer flanks of the teeth can all have the same shape, and the shape difference can be in the shapes of the inner flanks. | 10-01-2009 |
| 20100167857 | RESONANCE TENSION REDUCING SPROCKET WITH COMBINED RADIAL VARIATION AND SPROCKET WRAP - In a chain and sprocket assembly, the order of the sprocket and the wrap angle of the chain are selected such that the resonance tension of the chain and sprocket assembly is minimized. | 07-01-2010 |
| 20100203992 | RANDOMIZED CHAIN SPROCKET AND METHOD FOR MAKING A SPROCKET - A randomized chain sprocket has a set of four tooth gaps having three different tooth gap radial locations, two different link angles, and a chain with constant link pitch. | 08-12-2010 |
| 20120277045 | MOTION TRANSMISSION SYSTEM OF A BICYCLE - A sprocket assembly defining a sprocket assembly width. The assembly has at least eleven sprockets and the sprocket assembly mounts to a bicycle freewheel hub that rotates about a rotation axis which defines a predetermined axial distance on the hub between a plane that is substantially perpendicular to the rotation axis. At least one point of the attachment seats for spokes closest to the freewheel body and a plane is substantially perpendicular to the rotation axis and defined in the fastening portion to the frame. The sprocket assembly width is lower than or equal to the predetermined axial distance. A chain that engages the sprockets has a maximum thickness in the direction of the rotation axis between and including 4.6 mm and 5.8 mm. | 11-01-2012 |
| 20130072334 | Sprocket for Rear Wheel of a Bicycle - The present invention relates to a sprocket for use with a bicycle, the sprocket for use with a multi-sprocket assembly and chain, wherein the sprocket is made from a light but comparatively soft material and does not have shifting aids in the form of recesses and notches on the sprocket teeth where the chain rollers are in contact with the load flanks of the teeth. | 03-21-2013 |
| 20130345006 | Chainwheel Enabling Positive Rotational Transmission and Reverse Rotational Sliding Features - The present invention aims at a chain and chainwheel set capable of positive rotational transmission and reverse rotational sliding, in which a novel positive rotational transmission forced recessed face at chain tooth root portion ( | 12-26-2013 |
| 20140100069 | Chainring - A solitary chainring of a bicycle front crankset for engaging a drive chain, including a plurality of teeth formed about a periphery of the chainring, the plurality of teeth consisting of an even number. The plurality of teeth includes a first group of teeth and a second group of teeth arranged alternatingly between the first group of teeth. The first group of teeth and the second group of teeth are equal in number. Each of the first and second group of teeth include an outboard side and an inboard side opposite the outboard side and each tooth of the first group of teeth includes at least a first protrusion on the outboard side thereof and each tooth of the second group of teeth are free of the first protrusions on the outboard side and the inboard side. | 04-10-2014 |
| 20160031678 | POLYGON COMPENSATION COUPLING SYSTEM FOR CHAIN AND SPROCKET DRIVEN SYSTEMS - A polygon compensation coupling system ( | 02-04-2016 |
| 20160185420 | Multiple Sprocket Assembly for a Bicycle - A roller chain based drive train for a bicycle includes a sprocket assembly configured for mounting to a hub of a rear wheel of the bicycle. The sprocket assembly includes a smaller sprocket, a larger sprocket, and a plurality of pins connecting the smaller sprocket and the larger sprocket to each other. The pins are mounted in outer pin mount holes on the smaller sprocket and in the inner pin mount holes on the larger sprocket. | 06-30-2016 |
| 20170234418 | ALTERNATING TOOTH CHAIN RING | 08-17-2017 |
| 474157000 | And each link has integral surfaces forming inwardly opening groove | 9 |
| 20090143179 | Low-noise chain actuation - A chain drive with at least two sprocket wheels provided with teeth having an evolvent spline, and a toothed chain that engages therewith, especially for a vehicle propulsion system, which toothed chain includes individual rows of link plates that have openings, wherein the link plates are movably connected with each other by rocker pieces penetrating the openings and have chain teeth. The chain drive is characterized in that the tooth flanks of at least one tooth of least one of the sprocket wheels are designed differently. | 06-04-2009 |
| 20090156342 | SILENT CHAIN POWER TRANSMISSION DEVICE - The present invention is directed to decreasing noise from the onset of engagement with the sprocket teeth till seating thereon and also to reducing wear to the silent chain and the sprocket. A face (a) of a sprocket tooth, which contacts the chain at the onset of engagement, has a tooth profile that is an envelope ( | 06-18-2009 |
| 20100069187 | INVERTED TOOTH CHAIN AND SPROCKET DRIVE SYSTEM WITH REDUCED MESHING IMPACT - An inverted tooth chain drive system defines a meshing contact angle Tau (τ) between the tangent line TL and an initial contact reference line that passes through a controlling pin center and the initial contact location. A link plate entrance angle Beta (β) is defined between the initial contact reference line and an inside flank reference line that passes through an arc center of the inside flank radius and the initial contact location. A meshing impact angle Sigma (σ) is defined between the tangent line and the inside flank reference line such that σ=τ+β, wherein β≦9° and σ≦34°. The pressure angle of the sprocket tooth can be adjusted and the chain optimized such that β≦7° and σ≦31°. The system thus provides a reduction of the link impact force F | 03-18-2010 |
| 20110021299 | Inverted Tooth Chain and Sprocket Drive System with Reduced Meshing Impact - An inverted tooth chain and sprocket drive system in which the initial contact distance IC | 01-27-2011 |
| 20110245002 | INVERTED TOOTH CHAIN SPROCKET WITH FREQUENCY MODULATED MESHING FEATURES - A sprocket for an inside flank engagement inverted tooth chain includes tooth spaces each defined at least partially by the engaging flank of one tooth, the disengaging flank of another tooth, and a root surface that is located between the engaging flank and the disengaging flank of the tooth space. The engaging flank of each tooth space is defined as a mirror image of the disengaging flank of each tooth space relative to a tooth space centerline such that each tooth space is symmetrically defined about its tooth space centerline. The sprocket teeth include Type A Standard Teeth, Type B Standard Teeth, Type A Relieved Teeth, and Type B Relieved Teeth. The engaging flank of each Type A Relieved Tooth and both the engaging and disengaging flanks of each Type B Relieved Tooth are relieved or negatively offset. The root surface preceding a Type A Relieved Tooth or a Type B Relieved Tooth is raised so as to be located radially outward as compared the root surface preceding a Type A Standard Tooth or a Type B Standard Tooth. | 10-06-2011 |
| 20110312458 | Inverted Tooth Chain Sprocket with Frequency Modulated Meshing - An inverted tooth chain drive system includes a sprocket supported for rotation about an axis of rotation and including a plurality of teeth defined relative to respective tooth centers. The tooth centers are spaced evenly in a circumferential arrangement about the axis of rotation, and each of the plurality of teeth includes an engaging flank. An inverted tooth chain is engaged with the sprocket and includes a plurality of rows of links each structured for inside flank engagement with the sprocket, with leading inside flanks of each row of links projecting outwardly relative to the trailing outside flanks of a preceding row of links. The leading inside flanks of each row are positioned to make initial meshing contact with the engaging flank of one of the sprocket teeth. At least some of the teeth are standard teeth and other ones of the teeth are flank-relieved teeth. The engaging flanks of the flank-relieved teeth are negatively offset relative to their respective tooth centers as compared to said engaging flanks of said standard teeth relative to their respective tooth centers. The root surfaces leading the flank-relieved teeth are raised relative to the root surfaces leading the standard teeth and are also inclined. | 12-22-2011 |
| 20150141183 | SPROCKET ASSEMBLY INCLUDING TEETH HAVING AN ENLARGED PROFILE - A chain and sprocket drive system that includes an inverted tooth chain assembly configured to mesh with a laminated sprocket assembly is provided. The inverted tooth chain assembly includes a plurality of rows of links. The laminated sprocket assembly includes a plurality of plates, each of the plates including a plurality of teeth that are aligned with adjacent teeth. Each tooth has an engaging flank and a disengaging flank. The engaging flank of the teeth on one of the plurality of plates has an enlarged profile in a radially outwardly extending direction in comparison to corresponding ones of the teeth of an adjacent one of the plates, such that a first contact position with a link of the chain assembly carried thereon is located radially outward from a second contact position of the link with the corresponding teeth of the adjacent one of the plurality of plates. | 05-21-2015 |
| 20150308541 | INVERTED TOOTH CHAIN HAVING INNER FLANK ENGAGEMENT - A chain and sprocket drive system that includes a sprocket and an inverted tooth chain assembly configured to mesh with the sprocket is provided. The chain assembly includes at least two rows of links, each of the links having teeth with a pair of inner flanks, a pair of outer flanks, tips interconnecting a respective inner flank and outer flank, and a radiused crotch located between the pair of inner flanks. The inner flanks have an enlarged profile in a direction toward a center of the link in comparison to a profile of the outer flanks. A contact position with a tooth of the sprocket engaged therewith is located on the link in an area extending from the inner flank into the radiused crotch and on the sprocket in an area of the radiused tip of the tooth. | 10-29-2015 |
| 20160053853 | HIGH STRENGTH INVERTED TOOTH CHAIN HAVING A PRESS-FIT MIDDLE PLATE - An inverted tooth chain assembly including outer links, middle links, inner links, and a chain pin having a diameter is provided. The inverted tooth chain assembly includes first and second packs of inner links. Each of the packs includes a predetermined number (N) of links. The inner links have a thickness (t), an outer surface depth (s | 02-25-2016 |
