EP2583002A1 - Pignon à chaîne - Google Patents

Pignon à chaîne

Info

Publication number
EP2583002A1
EP2583002A1 EP11751532.0A EP11751532A EP2583002A1 EP 2583002 A1 EP2583002 A1 EP 2583002A1 EP 11751532 A EP11751532 A EP 11751532A EP 2583002 A1 EP2583002 A1 EP 2583002A1
Authority
EP
European Patent Office
Prior art keywords
sprocket
inner ring
chnet
sprocket according
teeth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11751532.0A
Other languages
German (de)
English (en)
Inventor
Stefan Blank
Thomas Bauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MXC GmbH
Original Assignee
MXC GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102010023881.3A external-priority patent/DE102010023881B4/de
Priority claimed from DE102010023882.1A external-priority patent/DE102010023882B4/de
Application filed by MXC GmbH filed Critical MXC GmbH
Publication of EP2583002A1 publication Critical patent/EP2583002A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/12—Toothed members; Worms with body or rim assembled out of detachable parts

Definitions

  • the present invention relates to a sprocket for transmitting torque in a transmission, the peripheral teeth cooperating form-fitting with a traction means, in particular for motorcycles.
  • the field of application of the present invention extends primarily to traction mechanism.
  • a power transmission takes place by at least one gear-Zugstoff-pairing.
  • a pulling means may preferably be used a bolt chain or the like.
  • US 3225616 A discloses a gear in which a plurality of overlapping toothed plates are fastened by means of pins and screws to a flange of a support wheel.
  • a sprocket which consists of a central part of a light metal alloy, with which a ring gear of an iron alloy is connected by rivets.
  • the sprocket made of iron alloy has to radial approaches that correspond with pocket-like recesses in the middle part and overlap with these across the bottoms of the pocket-like recesses.
  • a disadvantage of such systems is that for the formation and production of a gear, a correspondingly high design and manufacturing effort is required. Pocket-like recesses can only be produced with so-called 3-D production techniques.
  • the connections to the supporting part are usually not suitable for transmitting high torques under unfavorable conditions. Under unfavorable conditions here, for example, motocross rides, ie rides in unpaved terrain and especially in sand and mud are understood.
  • the present invention is therefore based on the object to provide a sprocket for the transmission of torque, which despite high demands on strength, robustness and aesthetic effect with the lowest possible manufacturing technology. see effort can produce, with a large variation in the execution should be given.
  • the advantages of the sprocket wheels according to the invention lie in the simple two-dimensional (2-D) production of their individual parts and in the good interchangeability of their wear elements, as well as in the versatility of the design options.
  • a multi-part sprocket for transmitting torque in a transmission the peripheral toothing cooperates positively with a traction means, wherein an inner ring for attachment of the multi-part sprocket on a wheel hub through holes, which lie on a common bolt circle, with an inner ring to Receiving a ring gear on its periphery inner ring has approaches that point radially outward, and that the ring gear has radially inwardly facing sprocket lugs, which are spatially associated with the radially outwardly facing inner ring approaches the inner ring, and that means are present , which connect the inner ring and the ring gear axially and radially.
  • a sprocket with an inner ring which has openings for receiving a sprocket at its periphery, which are radially outwardly open, and in which the sprocket radially inwardly facing lugs, which with the radially outwardly open openings of the Inner ring form-fitting correspond.
  • a multi-part sprocket is advantageous if the sprocket has sprocket lugs with radially inwardly facing openings, which correspond positively with the radially outwardly facing inner ring approaches the inner ring.
  • a multi-part sprocket is advantageous if the inner ring gear cogs can accommodate different diameters and correspondingly different numbers of teeth, the radially inwardly facing sprocket lugs depending on the diameter of the respective sprocket in their inwardly facing dimensions vary.
  • a multi-piece sprocket is advantageous if the inner ring is designed to optimize strength in weight-reduced skeleton construction.
  • a multi-piece sprocket is advantageous if the combination of inner ring and ring gear in addition to the positive engagement via special countersinks in conjunction with fitting screws.
  • a multi-part sprocket is also advantageous if the inner ring and the sprocket made of different materials and if the inner ring and the sprocket have a different color scheme.
  • a multi-part sprocket can be produced particularly advantageously if the production of inner ring and sprocket exclusively by 2-coordinate manufacturing process.
  • a multi-part sprocket is advantageous if its inner ring and the sprocket have different thicknesses of material.
  • a sprocket with a peripheral toothing which cooperates with a form-fitting chain having a predetermined chain pitch period P, and in which at the periphery of the sprocket, a number of teeth is present, and for attaching the sprocket to a wheel hub through holes available which are on a common bolt circle when the number of teeth is reduced from the number of teeth given by the chain pitch period P.
  • a sprocket wheel is extremely advantageous if the spacing of the teeth of the double chain pitch period 2P corresponds to the chain pitch P.
  • a sprocket is advantageous when it is composed of an inner ring and a replaceable sprocket.
  • a multi-part sprocket is advantageous if at least one sprocket portion of the sprocket is formed by a package of parallel layers of different materials whose thickness represents the tooth width of the sprocket portion, wherein the middle layer of the package is made of a high strength material and the adjacent layers are formed of lower strength materials.
  • a multi-part sprocket when the entire sprocket is formed by a package of several parallel layers.
  • the middle layer of the package is made of a high-strength steel alloy and the adjacent layers are formed of low-strength plastics.
  • Figure 1 is a perspective view of a sprocket according to the invention.
  • Figure 2 is an enlarged detail view of a connection between the inner ring and sprocket according to Figure 1;
  • Figure 3 shows a variant of a sprocket according to the invention in a three-dimensional view
  • Figure 4 is an enlarged detail view of a connection between the inner ring and
  • Figure 5 shows a further variant of a sprocket according to the invention in a three-dimensional view
  • Figure 6 is an enlarged detail view of a connection between the inner ring and sprocket according to Figure 5;
  • Figure 7 shows a repeated variant of a sprocket according to the invention in a three-dimensional view
  • Figure 8 is an enlarged detail view of a connection between the inner ring and sprocket according to Figure 7;
  • Figure 9 shows a further variant of a sprocket according to the invention in a three-dimensional view
  • Figure 10 is an enlarged detail view of an embodiment of a sprocket according to Figure 9;
  • FIG. 11 shows a further variant of a sprocket according to the invention in a three-dimensional view
  • Figure 12 is an enlarged detail view of an embodiment of a sprocket according to Figure 11;
  • Figure 13 shows another embodiment of a sprocket with a reduced number of teeth in a spatial view of a sprocket
  • Figure 14 shows a variant of a sprocket with a reduced number of teeth
  • FIG 15 is an enlarged detail view of an embodiment of a sprocket according to Figure 14 and
  • 16 shows a weight-reduced variant of a sprocket with a reduced number of teeth.
  • FIG. 1 illustrates a chain wheel 1 according to the invention, which consists essentially of two main components.
  • the first component is formed by an inner ring 2 having a contour derived from a skeletonized hexagon so that a ring frame 3 with six concave sides 4 is formed. In the middle of the concave sides 4 is in each case a bore 5 which terminates in a countersink 6.
  • the second component is formed by a sprocket 8, whose contour is derived from a circular ring 9.
  • Periphery is a toothing with a certain number of evenly distributed around the circumference of teeth 10.
  • the sprocket 8 sprocket lugs 11 which point radially inward.
  • the geometric distribution and the number of radially inwardly facing sprocket lugs 11 corresponds to the geomet- witz arrangement and number of inner ring approaches 2A with their openings 7 at the corners of the ring frame 3.
  • the radially inwardly facing sprocket approaches. 1 1 and the openings 7 on the inner ring approaches 2A are coordinated so that they correspond to each other.
  • the ring gear 8 When assembling the sprocket 1, the ring gear 8 can be mounted by means of its radially inwardly facing sprocket lugs 11 on the inner ring 2 with its outwardly open openings 7 on the inner ring approaches 2A that in the final would be the inner ring 2 and the ring gear 8 lie in a plane and together form an operational sprocket 1. With the help of fitting screws 12, which are precisely matched to holes 13, which are located in the sprocket approaches 1 1, inner ring 2 and sprocket 8 are mechanically secured and optionally adjusted.
  • FIG. 2 a detail is shown greatly enlarged, which shows the arrangement of sprocket extension 11 within the aperture 7 in the inner ring approach 2 A and the bore 13 more clearly.
  • a countersink 14 is present, into which the fitting screw 12, shown schematically in FIG. 1, engages with its not shown cone.
  • Figure 3 shows a variant of the sprocket according to the invention 1.
  • an inner ring 2 is present, which is resolved for reasons of weight in a contour that forms a ring frame 3 and a hexagon resembles.
  • the ring frame 3 with a particularly low frame thickness.
  • the required high strength of the inner ring 2 is achieved by an auxiliary ring frame 15, which is rotated relative to the ring frame 3 by 60 ° and with the sides of the ring frame 3 in the middle of each node 16 forms.
  • the inner ring 2 carries in this embodiment, radially outwardly facing inner ring approaches 2A which correspond to openings 7 in inwardly facing sprocket lugs 11 in the ring gear 8.
  • This design may be advantageous if with a larger diameter of the ring gear 8, a larger number of teeth should be selected. Since, however, the functional meanings do not change due to the exchange of the assignment of lugs 2A / 11 and openings 7 in inner ring 2 and ring gear 8, the same reference numerals are used analogously for the components concerned.
  • FIG. 5 A corresponding detail is shown in an enlarged detail in Figure 4, which speaks for itself.
  • Figure 5 an embodiment is shown in which the inner ring 2 is designed similar, as in the embodiment of Figure 3, so that reference can be made thereto.
  • the fasteners between inner ring 2 and Sprocket 8 significant differences over the already shown exemplary embodiments.
  • At its six corners of the inner ring 2 is radially flattened much, so that six inner ring projections 19 result with outwardly facing surfaces 20.
  • axially aligned openings 21 are incorporated.
  • a sprocket 8 has radially inwardly directed sprocket lugs 22 which terminate in radially inwardly directed surfaces 23.
  • In the areas 23 also axially aligned openings 24 are incorporated.
  • FIG. 6 A detail relating to this is shown greatly enlarged in FIG. 6 analogously to the previously described exemplary embodiments.
  • FIG. 7 shows a further exemplary embodiment.
  • the fastening variant was combined according to the embodiment of Figure 1 with the inner ring according to the embodiment of Figure 2, but with the special design of the ring gear 8, a further reduction in weight is achieved.
  • the ring gear 8 deviates significantly from its circular-shaped contour.
  • the arrangement of the teeth 10 of the ring gear 8 remains unchanged, but the contour of the circular ring 9 is changed so far that the inner contour 25 follows substantially the outer shape of the teeth 10.
  • the radial thickness of the ring gear 8 is reduced approximately to the tooth width at the bottom of the teeth 10 and it results in the inner contour 25 of the ring gear 8 convex bulges 26, which follow approximately the course of the respective tooth bottom.
  • FIG. 9 shows an additional variant of a sprocket 1.
  • the sprocket 1 is formed of a package 28 of parallel layers 29, 30, 31 made of different materials, whose thickness represents the tooth width of the ring gear portion 27, wherein the middle layer 30 of the package 28th consists of a material with high strength, and the adjacent ones Layers 29, 31 are formed from materials of lower strength.
  • the connection of inner ring 2 and sprocket 8 can be done in one of the already shown and described manner.
  • this variant is illustrated in FIG.
  • Such an embodiment favors the wear behavior of the sprocket 1, since the less wear-resistant materials of the layer package 28 protect the chain during the procedure.
  • FIG 11 shows a particularly advantageous variant in which ultimately the entire sprocket 1 consists of a multi-layered package 28.
  • the inner ring 2 and the sprocket 8 are almost completely formed by a package of three layers 29, 30, 31.
  • the two outer layers 29 and 31 are made of low-strength material, preferably of plastic.
  • the inner layer 30 consists, at least in the region of the toothed rim 8, of a material with high strength, preferably of steel.
  • the two outer layers 29 and 31 can be designed by encapsulation of the inner layer 30 so that the inner layer 30 is encased by the outer layers 29 and 31 such that only the area of the sprocket 8 remains free of the casing on which the sprocket 1 has contact with the chain.
  • a practical solution for the production of such a sheathed sprocket 1 may be that the inner layer 30, consisting of inner ring 2 and sprocket 8 are placed in a mold, and the surrounding layers 29 and 31 are applied to the inner layer 30 by injection molding , For example, both plastics and light metals are suitable for this purpose.
  • FIG. 12 a greatly enlarged detail of this advantageous design is shown analogously to the previously described exemplary embodiments.
  • the same or equivalent elements are also denoted here by the same reference numerals, as in the previous examples.
  • FIG. 13 A further variation of a sprocket 1 according to the invention is shown in FIG. 13.
  • the diameter of the sprocket 8 is larger, considerably fewer teeth 32 are arranged on its periphery. This measure causes - while still sufficient strength for the torque transmission - that the self-cleaning of the sprocket 1 together with the chain, not shown, can be significantly improved.
  • this effect is a great advantage.
  • the friction losses due to sand, mud and similar contaminants also decrease considerably compared to a traditional number of sprockets 1. This represents a significant performance advantage in competitions.
  • sprocket 1 consists of an inner ring 2, which carries a number of teeth 10 at its periphery 33. On a common bolt circle are located in the inner ring 2 holes 5, which serve to attach the sprocket 1 to a hub, not shown.
  • the hub is part of a drive wheel of a motorcycle, which also need not be shown in order to explain the invention.
  • the teeth 10 of the sprocket 1 are arranged at a distance from each other, which is derived from a specific chain pitch period P.
  • the chain pitch period P is determined by the pitch of a link chain, not shown.
  • the number of teeth of a sprocket is determined by the corresponding chain pitch period P such that the individual chain links in the wrapping of the sprocket with a tooth of a sprocket engaged.
  • a gear 1 is the illustrated embodiment of a gear 1 according to the invention.
  • This measure is based on the recognition that when driving with a terrain motorcycle in the mud, this mud - and of course other impurities - penetrates between the teeth 10 of the sprocket 1 and the links of the bolt chain and significantly affect the power transmission. It comes to high friction losses, to reductions in direct contact between sprocket 1 and bolt chain, even to
  • FIG. 15 a detail of a sprocket 1 according to FIG. 14 is shown enlarged; identical or equivalent elements are provided with the same reference numerals as in the case of the description of the figures of other exemplary embodiments.
  • FIG. 16 shows a further exemplary embodiment, wherein, however, a further weight reduction is achieved by the special design of the toothed rim region 27.
  • the sprocket portion 27 deviates significantly from its circular-shaped contour.
  • the arrangement of the teeth 10 of the sprocket portion 27 remains unchanged from the previous embodiments, but the contour of the annulus is changed so far that the inner contour 25 of the sprocket 14 substantially follows the outer shape of the teeth 10.
  • the radial material thickness of the toothed rim region 27 is reduced approximately to the tooth width at the base of the teeth 10, and flattened-convex bulges 26 result in the inner contour 25 of the toothed rim region 27, which approximately correspond to the course of the respective tooth Tooth ground follow.
  • the reduction in the number of teeth 10 and the reduction in the mass of the sprocket portion 27 advantageously reduces the mass of the sprocket 1, so that the weight is even cheaper.
  • a very particular advantage of a sprocket according to the invention 1 - whichever of the proposed designs - is that the variants, as far as the cutting area, can be made exclusively with machine tools that work in the so-called 2-D process. This brings in the production very high cost advantages over a 3 -D production, as required for example for so-called pocket milling and the like in sprockets according to the prior art.
  • the inner part of the sprocket can be made entirely of plastic or of a light metal.
  • the interchangeability of the ring gear has both maintenance engineering and economic and environmental benefits, because when wear of the ring gear only this and not the entire sprocket must be replaced.

Abstract

L'invention concerne un pignon à chaîne (1) en plusieurs parties, dans lequel une bague intérieure (2) servant à fixer le pignon à chaîne (1) en plusieurs parties sur un moyeu de roue présente des trous débouchants (5) situés sur un cercle perforé commun, la bague intérieure (2) servant à loger une couronne dentée (8) sur sa périphérie présentant des parties saillantes (2A) orientées radialement vers l'extérieur et la couronne dentée (8) présentant des parties saillantes (11) orientées radialement vers l'intérieur qui sont associées dans l'espace aux parties saillantes (2A) de la bague intérieure (2) orientées radialement vers l'extérieur. Ce pignon à chaîne présente des moyens (12, 13, 14) reliant la bague intérieure (2) et la couronne dentée (8) axialement et radialement.
EP11751532.0A 2010-06-15 2011-06-15 Pignon à chaîne Withdrawn EP2583002A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010023881.3A DE102010023881B4 (de) 2010-06-15 2010-06-15 Kettenrad
DE102010023882.1A DE102010023882B4 (de) 2010-06-15 2010-06-15 Kettenrad
PCT/EP2011/002951 WO2011157415A1 (fr) 2010-06-15 2011-06-15 Pignon à chaîne

Publications (1)

Publication Number Publication Date
EP2583002A1 true EP2583002A1 (fr) 2013-04-24

Family

ID=45348945

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11751532.0A Withdrawn EP2583002A1 (fr) 2010-06-15 2011-06-15 Pignon à chaîne

Country Status (3)

Country Link
US (1) US9033835B2 (fr)
EP (1) EP2583002A1 (fr)
WO (1) WO2011157415A1 (fr)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD289146S (en) * 1984-09-10 1987-04-07 Clifton Freshwater Translucent hand-held blinking device for signaling transporation, such as bus or taxi
US8820192B2 (en) 2009-04-29 2014-09-02 Race Face Prerformance Products Inc. Bicycle crank arm and insert therefore
PL2756125T3 (pl) * 2011-09-13 2016-07-29 Mecc Generale S R L Koło pasowe z tworzywa sztucznego do wprawiania bębna pralki w ruch obrotowy
US20130116074A1 (en) * 2011-11-08 2013-05-09 Chang Hui Lin Sprocket wheel for bicycle
US20140206486A1 (en) * 2013-01-24 2014-07-24 QinetiQ North America, Inc. Radially, axially, and torsionally compliant sprocket
AU2013375273B2 (en) * 2013-01-28 2017-08-31 Raytheon Technologies Corporation Structured material alloy component fabrication
US8894523B2 (en) * 2013-04-11 2014-11-25 Chien-Yu Su Chainwheel for multi-size crank modules
US9555855B2 (en) * 2013-05-07 2017-01-31 Shimano Inc. Bicycle sprocket
US9829085B2 (en) * 2013-05-07 2017-11-28 Shimano Inc. Bicycle sprocket
US9440706B2 (en) * 2013-05-07 2016-09-13 Shimano Inc. Bicycle sprocket
ITMI20131128A1 (it) * 2013-07-04 2015-01-05 Laverda S P A Gruppo ruote dentate
US9415835B2 (en) * 2014-01-24 2016-08-16 Shimano Inc. Rotatable annular bicycle component and bicycle rear sprocket
US9302736B2 (en) * 2014-02-05 2016-04-05 Shimano Inc. Bicycle sprocket
US9394986B2 (en) 2014-02-10 2016-07-19 Wolf Tooth Components, LLC Sprocket
US9581230B2 (en) 2014-02-10 2017-02-28 Wolf Tooth Components, LLC Sprocket
US9394987B2 (en) 2014-02-10 2016-07-19 Wolf Tooth Components, LLC Sprocket
US9581229B2 (en) 2014-02-10 2017-02-28 Wolf Tooth Components, LLC Sprocket
US9404565B2 (en) 2014-04-08 2016-08-02 Wolf Tooth Components, LLC Sprocket
US9581231B2 (en) 2014-04-08 2017-02-28 Wolf Tooth Components, LLC Sprocket
US9625027B2 (en) 2014-04-08 2017-04-18 Wolf Tooth Components, LLC Sprocket
US9409624B2 (en) * 2014-04-11 2016-08-09 Shimano Inc. Bicycle sprocket
US9964196B2 (en) 2014-05-20 2018-05-08 Shimano Inc. Bicycle sprocket
US9328814B2 (en) 2014-06-16 2016-05-03 Sram, Llc Clad chainring
US9919763B2 (en) * 2014-06-16 2018-03-20 Shimano Inc. Bicycle sprocket
US9403578B1 (en) * 2015-02-05 2016-08-02 Shimano Inc. Bicycle sprocket assembly and bicycle rear sprocket assembly
US9599208B2 (en) * 2015-02-12 2017-03-21 Sram, Llc Chainrings and crank assemblies
DE102015205736A1 (de) * 2015-03-30 2016-10-06 Sram Deutschland Gmbh Fahrrad-Hinterrad-Ritzelanordnung
US10371243B2 (en) * 2015-06-10 2019-08-06 Bell Helicopter Textron Inc. Composite and metal hybrid gear
USD825631S1 (en) 2016-02-02 2018-08-14 Deka Products Limited Partnership Gear
WO2017136290A1 (fr) 2016-02-02 2017-08-10 Deka Products Limited Partnership Agent électromécanique modulaire
CA2964058A1 (fr) * 2016-04-11 2017-10-11 Fox Factory, Inc. Pignon avant de bicyclette
TWM529655U (zh) * 2016-06-23 2016-10-01 shi-ming Luo 自行車之齒片及其固定座
USD818015S1 (en) 2016-07-27 2018-05-15 Deka Products Limited Partnership Wheel
USD824972S1 (en) 2016-07-27 2018-08-07 Deka Products Limited Partnership Sprocket
USD815675S1 (en) 2016-07-27 2018-04-17 Deka Products Limited Partnership Gear
USD817372S1 (en) * 2016-07-27 2018-05-08 Deka Product Limited Partnership Sprocket
USD817371S1 (en) 2016-07-27 2018-05-08 Deka Products Limited Partnership Sprocket
USD824971S1 (en) 2016-07-27 2018-08-07 Deka Products Limited Partnership Gear
USD816136S1 (en) 2016-07-27 2018-04-24 Deka Products Limited Partnership Gear
CN106515992A (zh) * 2016-12-23 2017-03-22 鼎镁（昆山）新材料科技有限公司 交通工具用齿盘异材组合结构
CN106741552A (zh) * 2016-12-23 2017-05-31 鼎镁（昆山）新材料科技有限公司 交通工具用齿盘异材组合结构改良
USD828235S1 (en) * 2017-04-13 2018-09-11 Lyndall P Kittrell, Jr. Drive sprocket for a motorcycle
US11014628B2 (en) 2017-04-28 2021-05-25 Fox Factory, Inc. Cinch direct mount 2X ring system
US10357996B2 (en) * 2017-06-13 2019-07-23 Lyndall P Kittrell, Jr. Lug drive system for the wheel of a motorcycle
USD856858S1 (en) * 2017-09-28 2019-08-20 Sram, Llc Bicycle chainring
USD845839S1 (en) * 2017-09-28 2019-04-16 Sram, Llc Bicycle chainring
USD853891S1 (en) * 2017-11-09 2019-07-16 Parkn Manufacturing Llc Dirt bike sprocket
USD894793S1 (en) * 2017-11-23 2020-09-01 Miranda & Irmao, Lda. Chain ring for bicycle or motorcycle
US10830329B2 (en) * 2018-03-08 2020-11-10 Shimano Inc. Bicycle sprocket
USD867936S1 (en) * 2018-04-09 2019-11-26 Sram, Llc Chainring for a bicycle
CN112118941A (zh) * 2018-05-18 2020-12-22 优傲机器人公司 包括制动组件的机器人关节
GB2576197B (en) * 2018-08-09 2021-12-15 Hobbs James Apparatus for securing a sprocket to a sprocket carrier
US11359709B2 (en) * 2018-12-18 2022-06-14 Fox Factory, Inc. Chainring
US11680633B2 (en) * 2019-02-08 2023-06-20 Fox Factory, Inc. Chainring
JP7117261B2 (ja) * 2019-03-22 2022-08-12 サンスター技研株式会社 回転伝達ディスク
SI25993A (sl) * 2020-04-21 2021-10-29 Gorenje gospodinjski aparati, d.o.o Jermenica bobna pralnega stroja iz materiala iz umetne snovi
JP7458886B2 (ja) * 2020-05-01 2024-04-01 サンスター技研株式会社 スプロケット
USD959337S1 (en) * 2020-11-17 2022-08-02 Gates Corporation Spokes for sprocket
USD972991S1 (en) * 2021-06-11 2022-12-20 Lyndall P Kittrell, Jr. Brake disc for a motorcycle
USD972992S1 (en) * 2021-06-11 2022-12-20 Lyndall P Kittrell, Jr. Friction ring for a motorcycle brake disc

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR572312A (fr) 1923-10-03 1924-06-04 Denture nouvelle pour pignons, roues libres et roues dentées pour les commandes et transmission par chaîne
US1630313A (en) * 1925-04-30 1927-05-31 American Manganese Steel Co Sprocket wheel
US2721485A (en) * 1953-04-22 1955-10-25 Bombardier Joseph Armand Sprocket wheel
US2824458A (en) * 1956-05-25 1958-02-25 Wald Ind Inc Gear
US3168836A (en) * 1963-03-05 1965-02-09 Frank A Militana Sprocket with a replaceable wear rim for a crawler type vehicle
US3225616A (en) 1964-05-18 1965-12-28 Scott & Williams Inc Gear construction
US3469468A (en) * 1967-10-30 1969-09-30 Borg Warner Composite drive wheel
JPS4825541Y1 (fr) * 1969-03-07 1973-07-25
US3752035A (en) * 1971-04-05 1973-08-14 Gen Electric Auto-synchronizing gear system
US4144773A (en) * 1976-07-12 1979-03-20 Addicks Lyle F Bicycle sprocket wheel
US4078445A (en) * 1977-01-05 1978-03-14 Kiser Jr Cecil M Composite sprocket or the like
USD266558S (en) * 1980-01-10 1982-10-19 The Murray Ohio Manufacturing Co. Combined bicycle sprocket and chain guard
DE3173124D1 (en) * 1980-08-18 1986-01-16 Shimano Industrial Co Gear crank for pedal vehicle
DE3322907A1 (de) * 1983-06-25 1985-01-03 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Zahnrad und verfahren zu seiner herstellung
JPS6015074U (ja) * 1983-07-11 1985-02-01 株式会社シマノ 自転車用ギヤクランク
US4867733A (en) * 1987-01-23 1989-09-19 Honda Giken Kogyo Kabushiki Kaisha Chain drive system
US5852951A (en) * 1994-10-04 1998-12-29 Briggs & Stratton Corporation Composite gear and method of making same
US5644953A (en) * 1995-09-12 1997-07-08 Cyclone Precision, Inc. Crank assembly for a bicycle
JP3578541B2 (ja) * 1996-02-20 2004-10-20 株式会社エクセディ 粘性ダンパー機構
US5865699A (en) * 1996-10-03 1999-02-02 Sandvik Ab Coated chain saw nose sprocket
US5904072A (en) * 1996-12-20 1999-05-18 Shimano Inc. Bicycle crank arm
US6361461B1 (en) * 2000-03-29 2002-03-26 Pavo Pusic Multiple-speed chain driving device
US6666786B2 (en) * 2000-12-29 2003-12-23 Shimano Inc. Chamfered sprocket assembly
US20030199351A1 (en) * 2002-04-22 2003-10-23 Nichols David J. Interchangeable motorcycle sprocket ring
CZ295029B6 (cs) 2002-08-26 2005-05-18 Supersprox, A.S. Odlehčené řetězové kolo
US20040092352A1 (en) * 2002-11-12 2004-05-13 Cheng-Hsun Chiang Bicycle chain wheel assembly
DE20218755U1 (de) 2002-12-04 2003-02-27 Jiang Chen Xun Optimierung der Kettenradstruktur von Fahrrädern
GB0228344D0 (en) * 2002-12-05 2003-01-08 Renthal Ltd A sprocket
US20040259674A1 (en) * 2003-06-23 2004-12-23 Pfister Dennis M. Sprocket having variable height teeth
JP2006007799A (ja) * 2004-06-22 2006-01-12 Shimano Inc 自転車用スプロケット
US20050282671A1 (en) * 2004-06-22 2005-12-22 Shimano, Inc. Shift assist projection for bicycle sprocket
US7585240B2 (en) * 2005-02-03 2009-09-08 Shimano Inc. Bicycle sprocket assembly
US7824287B2 (en) * 2005-12-02 2010-11-02 Shimano Inc. Bicycle sprocket
US20070161443A1 (en) * 2006-01-11 2007-07-12 Michal Krisl Wear resistant split sprocket for modular link belt systems
GB2434425B (en) * 2006-01-20 2010-10-06 Renthal Ltd A method of producing a sprocket
DE102006022343B4 (de) * 2006-05-12 2010-04-15 Shimano Inc., Sakai Mehrkomponentenzahnrad
CN201103662Y (zh) 2007-07-11 2008-08-20 闵德仁 不等节距链条链轮
US7871347B2 (en) * 2007-10-11 2011-01-18 Shimano Inc. Bicycle rear sprocket assembly
US8177670B2 (en) * 2009-09-01 2012-05-15 Shimano Inc. Bicycle sprocket
US8574108B2 (en) * 2010-06-21 2013-11-05 Vpower Racing USA, Inc. Sprockets made of two materials with half holes on the edge of central portion
US20130116074A1 (en) * 2011-11-08 2013-05-09 Chang Hui Lin Sprocket wheel for bicycle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011157415A1 *

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US9033835B2 (en) 2015-05-19
US20130143704A1 (en) 2013-06-06

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