Class / Patent application number | Description | Number of patent applications / Date published |
305157000 | ENDLESS BELT HAVING NONMETALLIC TRACK OR TREAD | 87 |
20090195061 | ENDLESS TRACK - An elastomeric endless track for use on tracked vehicles or with wheel replacing traction assemblies is provided. The track generally comprises a ground-engaging outer surface provided with traction lugs generally disposed longitudinally according to a traction lug pitch, and a wheel-engaging inner surface provided with drive lugs disposed longitudinally according to a drive lug pitch and guide lugs disposed longitudinally according to a guide lug pitch. Such a track comprises the feature of having the guide lug pitch and/or the length of the guide lugs chosen so as to reduce the distance between consecutive guide lugs in order to reduce and/or prevent occurrences of detracking. | 08-06-2009 |
305158000 | Track formed of flexible sections | 4 |
20090218882 | Tracks For Track Laying Vehicles And Vehicles Carrying Such Tracks - Track sections ( | 09-03-2009 |
20100148574 | Traction Band - A traction band substantially made from elastomeric material is disclosed. The traction band comprises a main band body divided into a plurality of sections connected together along laterally extending pitch lines. The band body has an interior wheel-engaging surface, adapted to cooperate with the various wheels of a track system, and an exterior ground-engaging surface adapted to engage the ground. The wheel-engaging surface comprises one or more rows of longitudinally spaced-apart drive lugs and/or guide lugs typically disposed on each of the band sections. The ground-engaging surface comprises traction lugs extending longitudinally across more than one band section, these traction lugs comprising laterally extending bending regions where the traction lugs are thinner. These bending regions are substantially aligned with regions on the interior surface which are devoid of drive lugs and guide lugs. | 06-17-2010 |
20110037313 | SEGMENTED OR OTHER ELASTOMERIC ENDLESS TRACK FOR TRACTION OF A VEHICLE - An endless track for traction of a vehicle, such as a construction vehicle, an agricultural vehicle, a forestry vehicle or a military vehicle. In one embodiment, the endless track comprises a plurality of track sections connected to one another. Each track section comprises: a body having an inner side for facing wheels of the vehicle and a ground-engaging outer side for engaging the ground; and a connector for connecting the track section to an adjacent one of the track sections at a joint, the joint being flexible in a widthwise direction of the endless track. | 02-17-2011 |
20120112526 | CONNECTING DEVICE AND RUBBER LINK TRACK - A device for connecting two free ends of a rubber band track to one another or for connecting the ends of several band segments to one another. The device has two or more tubes and a pin rubber-mounted in the respective tube. The tubes are in each case inserted into the one end and into the other end of the rubber band track or of the band segments, and at least one connector, by way of which the pins are coupled together in a rotationally fixed manner. The rotational rigidity of the pins in relation to their respective tube, brought about by the rubber mounting, is adjusted in dependence on the flexural strength of the rubber band track or of the band segments in the region of the ends. | 05-10-2012 |
305159000 | Track formed of rigid nonmetallic links | 8 |
20130033100 | CRAWLER CORE MEMBER AND RUBBER CRAWLER - Providing a crawler core member that can be coupled in a simple operation without employing dedicated coupling components, and that can suppress deformation due to input from a road surface. | 02-07-2013 |
20140239709 | CRAWLER TRACK AND CRAWLER TRACK SEGMENT - A crawler track for a crawler tracked vehicle is configured for running via a drive wheel and via bogie wheels. The crawler track has an outer ground contact side and an inner wheel contact side. The inner wheel contact side is formed with a flat surface from which a plurality of guide horns project to guide the crawler track during the movement of the crawler tracked vehicle. At least parts of the flat surface serve as the running surface for the bogie wheels. Cavities are formed in the flat surface for the engagement of drive pegs of the drive wheel. | 08-28-2014 |
20160083029 | SEGMENTED TRACK - A segmented track made of a plurality of elastomeric track segments is provided. Each track segment is made of reinforced elastomeric material and is provided, at each end thereof, with a joint element adapted to be connected to the joint element of adjacent track segments. Each track segment comprises longitudinally extending reinforcing elements which are embedded into the elastomeric material and which are extending between and coupled to both joint elements. | 03-24-2016 |
305160000 | Lug, shoe, or grouser structure, per se | 5 |
20090072618 | Track for Crawler Vehicles - A metal track for crawler vehicles, the track having a metal chain hinged with substantially rectangular metal shoes, each of which has a work surface with arrow-shaped teeth defined by a front portion of one arrow-shaped tooth and a rear portion of another arrow-shaped tooth spaced apart on the work surface and complementary in shape; each portion of arrow-shaped tooth cooperating with a complementary portion on a respective adjacent shoe to define a complete arrow-shaped tooth. | 03-19-2009 |
305161000 | With mounting means | 4 |
20110140510 | CRAWLER TRACK HAVING REPLACEABLE CAULKS - A crawler track device includes a plurality of crawler track pads, each coupled to form a continuous crawler track, wherein each of the plurality of crawler track pads includes at least one mounting hole configured to removably receive at least one of a plurality of caulk devices that each protrude from an upper surface of the crawler track pad. | 06-16-2011 |
20110291473 | Lugs of Continuous Rubber Tracks for Track Vehicles - A continuous flexible track for extending about a plurality of aligned wheels on a vehicle or track module, the track includes an outer ground-engaging surface and an inner wheel-engaging surface having inwardly-projecting wheel-engaging lugs. Each lug has a proximal end, a distal surface, front and back surfaces and opposite side surfaces. Each lug further includes a flex-groove extending between the side surfaces and from the distal surface toward the proximal end, thereby dividing the lug into two portions to allow around-wheel hinging motion. In most preferred embodiments, a lug-receiving cap may be positioned over and replaceably secured with respect to each lug. A method for prolonging the useful life of such a track is provided. | 12-01-2011 |
20140028085 | Segmented Track and Track Segment Therefor - A segmented track made of a plurality of elastomeric track segments is disclosed. Each track segment is made of reinforced elastomeric material and is provided, at each end thereof, with a joint element adapted to be connected to the joint element of adjacent track segments. Each track segment generally comprises alternating series of substantially rigid sections and substantially flexible sections. The joint elements of the track segments are substantially located within rigid sections located at the extremities of the track segments. The segment track also comprises inner and outer plates configured to secure the joint elements of adjacent track segments together. | 01-30-2014 |
305162000 | Including threaded fastening means | 1 |
20120292983 | TRACK SHOE ASSEMBLY FOR CONTINUOUS TRACK VEHICLES - An improved track shoe assembly ( | 11-22-2012 |
305165000 | Track formed of endless flexible belt | 73 |
20080203813 | Offset Track - An offset track forms a pattern perpendicular to the centerline of the track which enables tracks to be formed with even or odd number of metal inserts and thus accommodate virtually any tracked vehicle. The offset track uses variations in body thickness and lug width to provide a high performance offset track with improved ride, minimum vibration and longer wear. Use of full size and mini-inserts in a single track minimizes the weight and further enhances the performance of an offset track. | 08-28-2008 |
20080211300 | Core-Less Crawler Track - The present invention provides a crawler in which, due to alteration of a shape of rubber projections which mesh with a sprocket, even when earth, sand and the like has been deposited at an inner peripheral surface of the crawler, damage to the concerned rubber projections will not be incurred. It is a core-less crawler track at an inner peripheral surface of which rubber projections for driving are formed with a certain pitch. In side view, the rubber projections form a substantially triangular shape provided with a drive side inclination surface Pa and a brake side inclination surface Pb. The inclination surfaces of this rubber projection are divided into the drive side inclination surface Pa and the brake side inclination surface Pb. Steps D are formed at both the inclination surfaces. Base side (bottom step) inclination angles X are set with an inclination angle XB of a brake side inclination surface Pba larger than an inclination angle XA of a drive side inclination surface Paa, and top side (top step) inclination angles Y are set with an inclination angle YA of a drive side inclination surface Pab larger than an inclination angle YB of a brake side inclination surface Pbb. | 09-04-2008 |
20080284244 | Endless Elongated Member for Crawler and Crawler Unit - THEME To provide a crawler unit that can move over a high step or bump. | 11-20-2008 |
20090051217 | SIDEKICK VEHICLE TRACK - An endless track for use with a vehicle, including a primary track section and at least one paddle is provided. The primary track section includes an upper surface, a lower surface, a first outer side and a second outer side. The paddle includes a first end and a second end, where the first end is operatively connected to the primary track section adjacent one of the sides. The paddle is non-perpendicular with respect to the primary track section such that the second end of the paddle is positioned outwardly away from the primary track section. | 02-26-2009 |
20090102282 | CRAWLER TRACK - In a crawler track comprising at least one guide wheel and caster wheels at a track carrier, at least one driving wheel for the track, and a guide wheel tensioning device including at least one tensioning member which acts on the guide wheel via a tensioning lever supported at the track carrier, the guide wheel is provided in a guide part which is exclusively linearly moveable and is laterally supported in the track carrier with a slide block arranged between the guide part and the tensioning lever, which slide block can slide crosswise and relatively to the linear direction of movement of the guide part while transmitting the tensioning force substantially parallel to the linear direction of movement of the guide part. | 04-23-2009 |
20090121542 | TRACK FOR A MACHINE - A track for a machine. The track may include a plurality of cavities penetrating a sidewall of the track. The track may include an inner surface, an outer surface, a middle region and two sidewalls. The plurality of cavities may penetrate the sidewall and extend through the middle region of the track to the opposite sidewall. | 05-14-2009 |
20100096914 | ENDLESS ELASTOMERIC TRACK - This invention generally relates to the configuration of the inner surface of a traction band which increases the protection of the embedded reinforcing elements without reducing the flexibility of the band or increasing the generation of heat. The outer surface of the band generally comprises a plurality traction lugs while the inner surface generally comprises a plurality of drive and/or guide lugs. According to the present invention, each group of traction lugs, drive lugs and guide lugs, which are generally laterally aligned, defines generally non-flexible lug areas and each of these lug areas are separated by flexible and generally lug-less hinge areas. The lug areas, on the inner surface thereof, further comprise projections located between the drive lugs and the guide lugs and along the wheel paths defined therebetween | 04-22-2010 |
20100096915 | RUBBER CRAWLER TRACK - A crawler track where damage to drive lugs is reduced is provided. Grooves ( | 04-22-2010 |
20110057508 | ENDLESS TRACK FOR AN OFF-ROAD WORK VEHICLE TO PRODUCE A NET NON-NULL LATERAL FORCE - An endless track for providing traction to an off-road work vehicle (e.g., a construction vehicle, agricultural vehicle, or forestry vehicle). The endless track has a longitudinal axis and comprises an inner side for engaging a drive wheel of the off-road work vehicle to move the endless track and a ground-engaging outer side for engaging the ground. The ground-engaging outer side comprises a tread pattern characterized in that, when the off-road work vehicle moves on the ground, the tread pattern produces lateral traction force components acting laterally on the endless track such that a resultant of the lateral traction force components is a net non-null lateral force acting on the endless track in a lateral direction generally perpendicular to the longitudinal axis. For example, the net non-null lateral force can be used to oppose undesirable side loads and/or tendencies for lateral movements that may be experienced by the endless track due to intrinsic mechanical imbalances which may arise in the vehicle (e.g., “toe-in”, negative camber, etc.), motion of the vehicle on the ground (e.g., if the vehicle turns almost exclusively or significantly more often on one side), and/or use of a working implement with which the vehicle may be equipped. | 03-10-2011 |
20110068620 | WEAR PROTECTORS FOR PROTECTING GUIDE AND/OR DRIVE LUGS OF AN ENDLESS TRACK FOR TRACTION OF AN OFF-ROAD VEHICLE - Wear protectors for protecting guide and/or drive lugs of an endless track for traction of an off-road vehicle. Each wear protector comprises a cover shaped to cover at least part of a periphery of a lug. A fastener may be used to fasten the cover to the lug. The cover may comprise an aperture for admitting the fastener such that the fastener extends inside the lug and is capable of being put in a state of tension, allowing elastomeric material of the lug to be in a state of compression. The cover may comprise a pair of covering members separate from one another and respectively covering at least part of opposite surfaces of the lug. The fastener may extend through the lug and interconnect the covering members. | 03-24-2011 |
20110074210 | Noiseless Elastomeric Tracks For Tracked Vehicles - An endless track for providing traction to a snowmobile is provided. The endless track comprises an elastomeric body comprising an inner side for facing a plurality of wheels of the snowmobile and a ground-engaging outer side for engaging the ground. The endless track also comprises a plurality of elastomeric traction projections on the ground-engaging outer side. The endless track is free of transversal reinforcing rods extending transversally to a longitudinal direction of the endless track. When the snowmobile is operated at a given speed, less noise is generated than if the endless track had transversal reinforcing rods embedded in the elastomeric body where respective ones of the elastomeric traction projections are located but was otherwise identical. | 03-31-2011 |
20110121644 | VEHICLE TRACK - The tracks of the present invention utilize cut pieces of reinforcement which are associated with each individual drive lug. By using individual pieces the lugs can be easily built up with multiple layers of rubber and reinforcement. The cut pieces can be strategically shaped and placed to optimize their effect to realize improved performance and durability of the track. Incorporation of such inner fabric reinforcement layers adds stiffness to the lugs and thereby increases the torque capacity of the track. Additional layers also provide increased damage resistance after the outer layers of fabric are worn away, and added layers improve wear resistance on the sides of the lugs due to undercarriage misalignment and track-to-wheel contact when the vehicle turns during normal operations. | 05-26-2011 |
20110181103 | RUBBER TRACK - A rubber track having: an endless rubber elastic body | 07-28-2011 |
20110316330 | Continuous Rubber/Metal Hybrid Track with Replaceable Components - A continuous track with replaceable components permits a light weight tracked vehicle to benefit from the cost savings associated with repairable tracks. Each repairable track includes two parallel continuous belts, each belt includes embedded plates to reinforce the belts and distribute the load applied by the vehicle drive train and the load applied by the shoe to the belts. Each shoe assembly engages the parallel belts and includes a track guide, a shoe plate and a shoe. The number, separation and orientation of the shoe assemblies are preset for a set of parallel belts, however shoe assemblies and the elements of the shoe assemblies may be used for many different belt sets. Any suitable fasteners may be used to secure each shoe assembly to the belts. | 12-29-2011 |
20120187752 | Climbing Robot for Travelling over Adhesive Surfaces - A climbing robot for travelling over adhesive surfaces with endless traction mechanisms ( | 07-26-2012 |
20140042801 | CRAWLER TRAVELING DEVICE AND ELASTIC CRAWLER - A crawler traveling device includes a sprocket and a rubber crawler. The sprocket is provided with a wheel portion that is mounted to a driving axle and tooth portions. The tooth portions are provided at side portions of the wheel portion, spaced apart in a sprocket circumferential direction. The rubber crawler is provided with a rubber body that is wrapped round the sprocket, a wheel portion support face that is provided at an inner periphery portion of the rubber body, and engaging recess portions. The engaging recess portions are provided, spaced apart in a crawler peripheral direction, at each of two crawler width direction side portions of the inner periphery portion to sandwich the wheel portion support face. The engaging recess portions are recessed toward the crawler outer side and the tooth portions can be inserted into and engaged with the engaging recess portions. | 02-13-2014 |
20150042152 | ENDLESS TRACK FOR TRACTION OF A VEHICLE - In some aspects, an endless track for traction of an off-road vehicle (e.g., an agricultural vehicle, an industrial vehicle, a construction vehicle, or a military vehicle) includes an elastomeric belt-shaped body having an inner surface for facing wheels of the vehicle and a ground-engaging outer surface. The endless track also includes elastomeric lugs, such as drive/guide lugs projecting from the inner surface and/or traction lugs projecting from the ground-engaging outer surface. The elastomeric lug may have a material defining an arrangement of zones of different materials (e.g., different elastomeric materials) to exhibit a desired variation of a material property (e.g., a modulus of elasticity) across the arrangement of zones of different materials. A zone of the elastomeric lug may have a dedicated function, such as a wear indicator zone. An elastomeric drive lug can include an uneven drive surface for engaging a drive member of a drive wheel. | 02-12-2015 |
20150048671 | APPARATUS FOR CONVERTING A WHEELED VEHICLE TO A TRACKED VEHICLE - The invention relates to a self-propelled, wheeled vehicle that may be converted into a multi-track self-propelled vehicle using one or more track assemblies. Each track assembly includes a carriage with a main frame that support forward and rearward idler wheels and a plurality of centrally located, inner bogey wheels, and an outrigger beam that supports a plurality of centrally located, outer bogey wheels. One of the idler wheels is movably connected to the main frame and is movable by an actuator. The carriage is removably connected to a spindle of a vehicle by an attachment assembly. The attachment assembly includes a first or lower section and a second or upper section that generally encircle a portion of the spindle housing, and which are connected thereto by a plurality of fastening elements. A sprocket is operatively connected to a wheel hub of the spindle either directly or indirectly by way of a spacer element. A flexible endless track is entrained about the idler wheels, the bogey wheels and the sprocket. | 02-19-2015 |
20150048672 | RUBBER CRAWLER - A rubber crawler has: an endless rubber belt that is entrained about plural wheels; plural rubber projections that are disposed on the rubber belt and spaced apart from one another in a crawler circumferential direction, project toward an inner peripheral side of the rubber belt, and come into contact with the wheels to limit the movement of the wheels in a crawler width direction; and a low-hardness rubber portion that configures part of an inner peripheral surface of the rubber belt, is disposed between mutually adjacent rubber projections, and is formed by a rubber having a lower hardness than the rubber projections. | 02-19-2015 |
20160016621 | ENDLESS TRACK FOR TRACTION OF A VEHICLE - A track for traction of an off-road vehicle such as an agricultural vehicle, a construction vehicle, a snowmobile, or another vehicle operable off-road. The track is mountable around a track-engaging assembly comprising a drive wheel for driving the track. The track is elastomeric to be flexible around the track-engaging assembly. The track comprises an inner surface for facing the track-engaging assembly, a ground-engaging outer surface for engaging the ground, and a plurality of traction projections projecting from the ground-engaging outer surface. The track may have various features to enhance its traction, its floatation, and/or other aspects relating to use and performance of a track system of the vehicle. | 01-21-2016 |
20160039482 | Endless Track for Traction of a Vehicle - An endless track for traction of an off-road vehicle, such as an agricultural vehicle, an industrial vehicle (e.g., a construction vehicle) or a military vehicle, is provided. The endless track a plurality of elastomeric lugs, such as drive/guide lugs projecting from the inner surface and/or traction lugs projecting from the ground-engaging outer surface. An elastomeric lug may have a material composition defining an arrangement of zones of different materials which comprises a plurality of zones of different elastomeric materials, may exhibit a desired variation of a material property (e.g., across the arrangement of zones of different materials. A zone of the elastomeric lug may have a dedicated function, such as a sacrificial zone or a wear indicator zone. An elastomeric drive lug may comprise an uneven drive surface, such as an angled or curved surface, for engaging a drive member of a drive wheel of the vehicle. | 02-11-2016 |
305166000 | Including plural layers of different materials | 2 |
20120074772 | DRIVE TRACK FOR SNOWMOBILE OR TRACKED VEHICLE - A track formed of a molded rubber base sandwiching a cord layer and a single layer of ply fabric extending longitudinally of the track. | 03-29-2012 |
20150035354 | DRIVE TRACK FOR SNOWMOBILE OR TRACKED VEHICLE - A track formed of a molded rubber base sandwiching a cord layer and a single layer of ply fabric extending longitudinally of the track. | 02-05-2015 |
305167000 | With metallic embedded reinforcement | 29 |
20100320834 | Traction stud mount and method of manufacture - A stud mount for detachably mounting a traction stud to a snowmobile track assembly including an endless drive belt having at least one laterally extending reinforcing rod embedded in the drive belt. At least one stud mount is secured about the reinforcing rod by way of a mounting head and is opened to the ground-engaging side of the track to receive a traction stud. One or more stabilizing arms project laterally from the mounting head and are adapted embedded in the endless drive belt to provide lateral stability to the stud mounts under torque load. | 12-23-2010 |
20110163596 | RUBBER TRACK - There are provided: an endless rubber elastic body | 07-07-2011 |
20140001829 | RUBBER CRAWLER | 01-02-2014 |
20150321712 | RUBBER CRAWLER - A rubber crawler includes a rubber belt trained around a drive wheel, plural rubber projections that are provided at the rubber belt at intervals along the crawler circumferential direction, that project toward the crawler circumferential inside, that are each formed in a peaked shape widening from an apex portion to a base portion as viewed from the crawler width direction, and that are input with drive force when an engagement pin provided at the drive wheel engages with a circumferential direction rubber wall face, and an embedded member that is embedded in the rubber projections and has a circumferential direction wall face arranged along the circumferential direction rubber wall face as viewed in cross-section along the crawler circumferential direction. | 11-12-2015 |
20160016620 | RUBBER CRAWLER AND RUBBER CRAWLER MANUFACTURING METHOD - A rubber crawler ( | 01-21-2016 |
305169000 | Including means for sprocket tooth engagement (e.g.,lug aperture) | 7 |
20090195062 | CORELESS RUBBER CRAWLER AND TRAVELING DEVICE - The present invention provides a rubber crawler in which tooth skipping does not occur even if a large load acts on a rubber protrusion ( | 08-06-2009 |
20090200863 | CORELESS RUBBER CRAWLER TRACK - A coreless rubber crawler track has an endless rubber elastic body ( | 08-13-2009 |
20090206655 | Clawler Without Steel Cores - The present invention relates to a crawler without steel cores (hereinafter referred to as “coreless crawler”), which is used for transporting means of caterpillar vehicles for construction, civil engineering, agricultural use or the like. More particularly, this invention relates to a coreless crawler, in which a first and second separation preventing cables, having the same but opposite directional oblique angle, form a unitary layer by being woven, thereby improving the flexibility and increasing binding forces between the cables, so that separation of the crawler can be effectively prevented. | 08-20-2009 |
20090256418 | CORELESS RUBBER CRAWLER - A coreless rubber crawler has a tension body embedded in an endless rubber elastic body in the longitudinal direction thereof, lugs ( | 10-15-2009 |
20100033010 | RUBBER TRACK - A rubber track has lugs ( | 02-11-2010 |
20120032502 | RUBBER CRAWLER - The object of the present invention is to provide a rubber crawler having high traction force and excellent straight-ahead driving property and further improved durability by ensuring good soil-grasping property and soil-discharging property of the crawler body. The rubber crawler | 02-09-2012 |
20120146401 | RUBBER CRAWLER - The object of the present invention is to provide a rubber crawler having reduced vibration during running and further good soil-grasping property and soil-discharging property as well as improved durability. The rubber crawler | 06-14-2012 |
305170000 | Reinforcement is endless | 11 |
20090079260 | Crawler Without Steel Cores - The present invention relates to a crawler without steel cores (hereinafter referred to as “coreless crawler”), which is used for transporting the caterpillar vehicles for construction, civil engineering, agricultural use or the like. More particularly this invention relates to a coreless crawler for preventing the crawler body from being separated from a wheel or sprocket and the guide roller from riding the guide projection formed on the inward surface of the crawler, by disposing a pair of separation preventing steel cords having an oblique angle, symmetrically with respect to the center portion in the direction of driving so as to balance the deflection forces, thereby extending the lifetime of the crawler product. | 03-26-2009 |
20100096916 | CORE FOR RUBBER TRACK AND RUBBER TRACK - A rubber track ( | 04-22-2010 |
20120286566 | Rubber Crawler Having Metal Core for Improvement of Wheel Separation and Durability - The present invention relates to a rubber crawler having a metal core for improvement of wheel separation and durability, and comprises metal core extensions formed at predetermined intervals along the lengthwise direction of the metal core of the rubber crawler, thereby avoiding the phenomenon of wheel separation which occurs during crawler operation, and minimizing lug breakage due to foreign objects, bend fatigue of a metal core, metal core exposure and breakage of a tread portion, so that the durability performance is enhanced. According to an embodiment of the present invention, the rubber crawler having a metal core for improvement of wheel separation and durability comprises a lug formed to protrude on an external side surface and grounded on the ground; a steel cord disposed internally for enduring compressive load and the driving load of a tracked vehicle; a metal core which is embedded within the steel cord, and transfers the driving force of the engine; and metal core extensions which are embedded along both lengths on the basis of the center portion of the metal core, and prevents wheel separation of the metal core, wherein the metal core extensions are assembled on the mutually opposite surfaces of which are inclined at a predetermined angle, and the overlapped portion (center portion) surfaces of the metal core extensions are formed to have an angle of inclination to each other, thereby supporting the X axis, Y axis, and Z axis displacements. | 11-15-2012 |
20150091372 | RUBBER CRAWLER - A rubber crawler includes a rubber belt, a main cord layer that is incorporated within the rubber belt and includes a main cord configured from plural twisted strands covered with rubber, the main cord extending around the crawler circumferential direction, and a bias cord layer incorporated within the rubber belt at the crawler circumferential outside of the main cord layer configured by at least one bias ply and configured from at least one bias ply that is formed from a plurality of bias cords extending at an angle with respect to the crawler circumferential direction, disposed side-by-side around the crawler circumferential direction and covered in rubber such that bias cords of the bias ply at the circumferential outermost side of the crawler are, as viewed from the crawler circumferential outside, angled toward an opposite side, with respect to the crawler circumferential direction, from the angled side of the strands. | 04-02-2015 |
20150097419 | RUBBER CRAWLER - A rubber crawler includes a rubber belt, a main cord layer that is incorporated within the rubber belt and includes a main cord extending around the crawler circumferential direction, a bias cord layer that is incorporated further to the crawler circumferential outside than the main cord layer and is configured from bias cords extending at an angle with respect to the crawler circumferential direction, a bias cord layer that is interposed between the bias cord layer and the main cord layer, and is configured from bias cords extending at an angle with respect to the crawler circumferential direction so as to intersect the first bias cords, and a reinforcement cord layer that is interposed between the bias cord layer and the bias cord layer, and is configured from reinforcement cords extending in the crawler width direction. | 04-09-2015 |
20150368859 | STEEL CORD AND ELASTIC CRAWLER USING SAME - A steel cord is configured so that, when the steel cord is used as a tensile cord for an elastic crawler, a center-core dislocation and the early breakage of the wires of a core are prevented. A steel cord comprises: a core which comprises a single core strand, and a sheath which is formed by twisting together six sheath strands arranged around the core. The core strand has a layer-twisted structure comprising: a center-core portion which is formed by twisting three core wires together; and an external layer portion which is formed by twisting together eight to nine core wires arranged around the center-core portion. The sheath strands each have either a bundle twisted structure which is formed by twisting twelve to nineteen sheath wires or a multi-layer twisted structure which is formed by twisting twelve to nineteen sheath wires in layers. The diameter (dc) of the core wires is greater than the diameter (ds) of the sheath wi res. The average gap (Gc) between the core wi res of the external layer portion is 0.015 mm or greater, and the average gap (Gs) between the sheath strands is 0.1 mm or greater. | 12-24-2015 |
20160001830 | CRAWLER - A rubber crawler serving as an example of a crawler of the present invention includes: an endless belt shaped rubber belt; a main cord layer that is disposed within the rubber belt, that is configured by plural main cords extending along a crawler peripheral direction and arranged side-by-side in a crawler width direction, and that is formed with an overlapping portion where both end sides in the crawler peripheral direction overlap one another in a crawler thickness direction; and a stretching and contracting portion that is formed at the overlapping portion of the main cords, and is capable of stretching and contracting more in the crawler peripheral direction than other portions of the main cords, wherein the stretching and contracting portion includes a curved portion where the main cords are curved with an amplitude in the crawler width direction as viewed along the crawler thickness direction. | 01-07-2016 |
305171000 | Including core bar reinforcement | 4 |
20090302677 | STRUCTURE OF RUBBER CRAWLER TRACK - A rubber crawler track having less wear at its left and right end portions to improve its durability. The rubber crawler track has steel cords | 12-10-2009 |
305173000 | Including sprocket wheel or roller guide lug or projection | 3 |
20140125119 | ANNULAR INNER CORE OF ROBBER TRACK, TRACK CHAINS AND CHAIN-DRIVEN VEHICLES - The invention describes a track chain for diggers, bulldozers, loading vehicles, crawlers, agricultural machines, transport vehicles and the like, a chain link and a chain-driven vehicle with new and useful features concerning the special design of the track chain. The track chain can transfer the driving force well-proportioned, so that it can prevent the rubber track from running off the rails or lateral dislocation. | 05-08-2014 |
305174000 | Plural lugs or projections | 2 |
20080272648 | Elastic crawler and elastic crawler manufacturing method - A highly durable elastic crawler with a tensile cord having both ends thereof overlapped mutually in a crawler body thus being circumferentially wound around the crawler is provided. An elastic crawler includes; a crawler body including an endless belt-like elastic body; metal cores embedded in the crawler body, each of the metal cores including vanes and arranged at predetermined intervals circumferentially; and tensile cords transversely arranged, wound around the outer circumference side of the vanes, and embedded in the crawler body while vicinity portions of both ends of the tensile cords are overlapped mutually. An inner circumference side end is arranged at an outer circumference side of any one of the vanes. The distance between the vicinity portion of the inner circumference side end and the outer circumference side portion of the tensile cord overlapped there is increased from the vicinity portion toward the inner circumference side end. | 11-06-2008 |
305175000 | Including additional reinforcement for sprocket wheel | 1 |
20100283317 | Elastomeric Track With Guide Lug Reinforcements - This invention relates to an endless elastomeric traction band that is used to propel tracked vehicles. The traction band generally comprises a main body defining an outer ground-engaging surface and an inner wheel-engaging surface. The outer surface is generally provided with ground-engaging traction lugs. The inner surface of the traction band is preferably provided with one or more row of longitudinally aligned guide lugs and one or more rows of longitudinally aligned drive lugs. Additionally, guide lug reinforcements are inserted into said guide lugs and said band body to laterally reinforce the guide lugs and minimize de-tracking occurrences. | 11-11-2010 |
305177000 | Including core bar reinforcement | 6 |
20080211301 | TREAD PATTERN - A tread pattern for a vehicle track, such as an endless track for earth moving equipment, comprises a plurality of groups of tread lugs. Each group of tread lugs may comprise one or more tread lugs defining a generally “S” shape or a variation thereof. A vehicle track comprising the tread pattern may also comprise a support core that is substantially centered with a center of a group of tread lugs. | 09-04-2008 |
20090102283 | Elastic crawler - Disclosed is an elastic crawler formed with an elastic material in the shape of an endless track, and used as the wheel for the work vehicle with enhanced reliability and durability. The elastic crawler includes a crawler body formed with an elastic material and having lugs protruded at the ground contact side thereof, and cores having wings extended left and right to the center of the crawler body in the width direction thereof, and arranged parallel to each other in the longitudinal track direction of the crawler body such that the wings face the lugs formed at the crawler body. The crawler body has first and second lug units alternately arranged parallel to each other in the longitudinal track direction thereof. The first lug unit has left lugs facing each other over two wings, and right lugs arranged right to the center of the crawler body while proceeding symmetrical to the left lugs around the center. The second lug unit has left lugs facing each other over one wing, and right lugs arranged right to the center of the crawler body while proceeding symmetrical to the left lugs around the center. | 04-23-2009 |
20090309415 | RUBBER CRAWLER - A rubber crawler which reduces all conventionally occurring drawbacks by forming rubber lugs to the outer peripheral surface so as to correspond to protrusion meshing positions that are susceptible to external flaws or cracking, with significantly enhanced durability of the rubber crawler. | 12-17-2009 |
20100013297 | Core Bar for Rubber Crawler - A core bar for a rubber crawler capable of enhancing the durability of the rubber crawler by preventing an end-cutting phenomenon in which cracking is generated at the end of the core bar in a crawler lateral direction of the core bar embedded in the rubber crawler when the rubber crawler rides over a curbstone at the road shoulder of a paved road, stones and obstacles on irregular ground, and is pressed in a lateral direction. In the core bar ( | 01-21-2010 |
20100295367 | ENDLESS TRACK FOR A WORK VEHICLE - An endless track for traction of a work vehicle. The endless track comprises a body of elastomeric material and a plurality of cores at least partially embedded in the elastomeric material. Each core comprises a pair of wings extending transversally to a longitudinal axis of the endless track, and a wheel guide comprising at least one guide projection projecting on an inner side of the endless track. Each guide projection comprises a top end and a wheel-facing side for facing wheels of the work vehicle, such as roller wheels that roll on the inner side of the endless track. The wheel-facing side comprises a recess to impede passage of grit between the wheel-facing side and a portion of the elastomeric material in the recess. This can enhance a wear resistance of the endless track. | 11-25-2010 |
20160200378 | TRACK SYSTEM FOR TRACTION OF AN OFF-ROAD VEHICLE SUCH AS A SNOWMOBILE OR AN ALL-TERRAIN VEHICLE (ATV) | 07-14-2016 |
305178000 | With integral grouser | 17 |
20090085398 | VEHICLE TRACK AND TRACK SYSTEM - A vehicle track has a belt, a plurality of terrain lugs distributed circumferentially about an outer side of the belt, and a plurality of drive lugs distributed circumferentially about an inner side of the belt. A first and a second strip are disposed on the inner side of the belt. The first strip extends along an entire circumference of the inner side of the belt. The first strip is configured for engaging at least one wheel of a track system when the track is in use with the track system. The second strip is laterally spaced from the first strip and extends along an entire circumference of the inner side of the belt. The second strip is configured for engaging at least one other wheel of the track system when the track is in use with the track system. A vehicle track system is also disclosed. | 04-02-2009 |
20110037314 | ENDLESS TRACK FOR TRACTION OF A VEHICLE, WITH ENHANCED ELASTOMERIC MATERIAL CURING CAPABILITY - An endless track for traction of a vehicle, such as a construction vehicle, an agricultural vehicle, a forestry vehicle or a military vehicle. The endless track has an enhanced elastomeric material curing capability. In one embodiment, each of a plurality of elastomeric projections of the endless track, such as guide/drive projections or traction projections, comprises elastomeric material defining a cavity to enhance a curing process during manufacturing of the endless track. The cavity may be shaped such that, during the curing process, a heat conductor positioned in the cavity conducts heat from the heat conductor to the elastomeric material of the projection. | 02-17-2011 |
20110109153 | LIGHT WEIGHT TRACK FOR A SNOWMOBILE - A ground engaging track for a vehicle has a continuous loop or endless belt body portion having an exterior surface to engage the ground and an interior surface including driven members. The driven members are configured to be engaged by a drive sprocket to rotate the body portion to move the vehicle. | 05-12-2011 |
20110148189 | REINFORCED STUD MOUNT - There is provided a stud mount comprising a stud-receiving passage studs are inserted by force. Each stud is anchored in a stud mount to a reinforced portion of the track independently of reinforcing rods thereof, thereby allowing a reduced complexity of machining of a stud mounting cylinder and strengthened mechanical and traction properties of the track. | 06-23-2011 |
20110156476 | RUBBER CRAWLER, METHOD FOR MAKING RUBBER CRAWLER, LUG FOR RUBBER CRAWLER AND VEHICLE PROVIDED WITH RUBBER CRAWLER - Rubber crawler, method for making rubber crawler, lug for rubber crawler and vehicle provided with rubber crawler A rubber crawler ( | 06-30-2011 |
20120161511 | Frameless track assembly - A track assembly comprising an endless track trained about a sprocket and forward and aft sets of idler wheels. A plurality of apertures at the sprocket engage drive lugs that project from an interior track surface. Longitudinal stabilizer arms restrain the idler wheel axles, idler wheels, sprocket support rollers, sprocket and track against lateral movement and tension the track. Overlapping seals are formed at the idler wheels and/or sprocket support rollers. Alternative sprockets having cutouts or pockets that capture different drive lug configurations are also disclosed along with several alternative track tensioning assemblies that rotate in an eccentric fashion to tension the track. | 06-28-2012 |
20120193979 | TRACK AND DRIVE SPROCKETS FOR A TRACKED VEHICLE - A drive track of a tracked vehicle includes a belt having an inner side and an outer side. The belt has a longitudinal direction and a lateral direction. The inner side has a plurality of internal lugs forming at least one longitudinal row. The outer side has a plurality of external lugs forming a plurality of lateral rows. The plurality of lateral rows is disposed at a first pitch from each other. The plurality of internal lugs of the at least one longitudinal row is disposed so as to form a repeating sequence where some consecutive internal lugs are disposed at a second pitch from each other, and other consecutive internal lugs are disposed at a third pitch from each other. The second pitch is smaller than at least one of the first pitch and the third pitch. A sprocket wheel and drive track assembly is also presented. | 08-02-2012 |
20120242143 | VEHICLE TRACK - The tracks of the present invention have drive faces which are tapered surfaces, such as a convex tapered surface which extends laterally over the drive surface of the lugs. The utilization of lugs having tapered drive faces improves the performance and durability of the track. The tracks having the drive face design of this invention also allow for more power to be delivered without damaging the track or causing excessive wear. | 09-27-2012 |
20130134772 | TRACK SYSTEM FOR TRACTION OF AN OFF-ROAD VEHICLE SUCH AS A SNOWMOBILE OR AN ALL-TERRAIN VEHICLE (ATV) - A track system for traction of an off-road vehicle such as a snowmobile or an all-terrain vehicle (ATV). The track system comprises a track-engaging assembly and a track disposed around the track-engaging assembly. The track system may be configured to have a reduced noise profile so as to generate less noise, enhanced track rigidity characteristics to improve its traction and floatation, and/or other features improving use and performance of the off-road vehicle. | 05-30-2013 |
20130134773 | TRACK SYSTEM FOR TRACTION OF AN OFF-ROAD VEHICLE SUCH AS A SNOWMOBILE OR AN ALL-TERRAIN VEHICLE (ATV) - A track system for traction of an off-road vehicle such as a snowmobile or an all-terrain vehicle (ATV). The track system comprises a track-engaging assembly and a track disposed around the track-engaging assembly. The track system may be configured to have a reduced noise profile so as to generate less noise, enhanced track rigidity characteristics to improve its traction and floatation, and/or other features improving use and performance of the off-road vehicle. | 05-30-2013 |
20130162016 | Endless Track for Propelling a Vehicle, with Edge-Cutting Resistance - An endless track for providing traction to a vehicle, such as a construction vehicle, an agricultural vehicle or other work vehicle. The endless track has: an inner side for facing a plurality of wheels of the vehicle; a ground-engaging outer side for engaging the ground; a first lateral edge; and a second lateral edge. The endless track comprises an elastomeric body and a plurality of cores at least partially embedded in the elastomeric body. Each core extends transversally to a longitudinal direction of the endless track to provide transverse rigidity to the endless track. The endless track comprises an impact absorber in a lateral edge part of the endless track, the lateral edge part being located between the cores and a given one of the first lateral edge and the second lateral edge. The impact absorber facilitates an elastic deformation of the lateral edge part when the lateral edge part impacts an obstacle on the ground. For example, in some embodiments, the impact absorber may comprise one or more holes which can deform when the lateral edge part impacts an obstacle on the ground. | 06-27-2013 |
20130241278 | RUBBER TRACK - Provided is a rubber track ( | 09-19-2013 |
20140103705 | ENDLESS TRACK FOR TRACTION OF A VEHICLE, WITH ENHANCED ELASTOMERIC MATERIAL CURING CAPABILITY - An endless track for traction of a vehicle, such as a construction vehicle, an agricultural vehicle, a forestry vehicle or a military vehicle. The endless track has an enhanced elastomeric material curing capability. In one embodiment, each of a plurality of elastomeric projections of the endless track, such as guide/drive projections or traction projections, comprises elastomeric material defining a cavity to enhance a curing process during manufacturing of the endless track. The cavity may be shaped such that, during the curing process, a heat conductor positioned in the cavity conducts heat from the heat conductor to the elastomeric material of the projection. | 04-17-2014 |
20140203627 | TRACK AND DRIVE SPROCKETS FOR A TRACKED VEHICLE - A sprocket wheel and drive track assembly of a tracked vehicle includes at least one drive sprocket having a sprocket wheel. A plurality of internal teeth extending laterally therefrom is distributed in a circumferential direction on a periphery thereof at a sprocket pitch from each other. A belt in contact with the at least one drive sprocket has an inner side, an outer side, a longitudinal and a lateral direction. At least two of a plurality of internal lugs distributed on the inner side thereof are engaged by at least two of the plurality of internal teeth of the at least one drive sprocket. The plurality of internal lugs is disposed to form at least one longitudinal row. At least two consecutive internal lugs are disposed at a first pitch from each other. The first pitch is longer than an arc length corresponding to the sprocket pitch. | 07-24-2014 |
20150054335 | Weighted Track for Snowmobiles - A weighted track system for snowmobiles. In one embodiment, the rider uses a heavier track to add weight useful in trick jumps. This track is installed prior to jumping and can be used for regular riding. In a second embodiment, weights are added to an existing track to provide the additional momentum. The weights are installed at regular intervals on the track and can be adjustable so that more or less weight can be added as desired. With a weighted track, perfect timing in locking up the brakes while jumping is not s critical; making the performance in jumps is safer and better. | 02-26-2015 |
20150097420 | Noiseless Elastomeric Tracks for Tracked Vehicles - An endless track for providing traction to a snowmobile is provided. The endless track comprises an elastomeric body comprising an inner side for facing a plurality of wheels of the snowmobile and a ground-engaging outer side for engaging the ground. The endless track also comprises a plurality of elastomeric fraction projections on the ground-engaging outer side. The endless track is free of transversal reinforcing rods extending transversally to a longitudinal direction of the endless track. When the snowmobile is operated at a given speed, less noise is generated than if the endless track had transversal reinforcing rods embedded in the elastomeric body where respective ones of the elastomeric traction projections are located but was otherwise identical. | 04-09-2015 |
305179000 | With reinforcement in or at grouser formation | 1 |
20150091373 | DRIVE TRACK FOR A TRACKED VEHICLE - A drive track for a tracked vehicle has an endless belt having an inner surface and an outer surface, and a plurality of lugs projecting from at least one of the inner surface and the outer surface. At least some of the plurality of lugs each have at least one passage extending at least partially through the lug from an outer surface of the lug. A snowmobile provided with the drive track is also disclosed. | 04-02-2015 |
305180000 | With removable lug or grouser | 4 |
20100096917 | INDIVIDUAL DRIVE LUG FOR AN ENDLESS RUBBER TRACK - An individual replacement drive or guide lug for missing or worn lugs located on an inner circumference of various endless rubber tracks used on multi-surface vehicles. The lug comprises a body and a fastening including a bolt and washer. To install the drive lug properly, an inner surface of the track where the original vulcanized rubber drive lug was located must be prepared. When the original drive lug fails, it leaves an irregular surface and must be ground flat with the inner track belt substrate. The bolts are then secured through the track and the lug so as to removably secure the lug to the inner surface of the track. | 04-22-2010 |
20120104841 | VEHICLE TRACK WITH IMPROVED PERFORMANCE - In some implementations, a flexible track for a tracked vehicle comprises a flexible belt with an inner surface and a ground-engaging surface, the ground-engaging surface comprising outwardly projecting lugs spaced apart along the track, wherein at least one of the lugs comprises a vertical section having a curved leading edge. In some implementations, the flexible track comprises a flexible belt with an inner belt surface, an opposite outer belt surface and at least one track bar attached to the outer surface and extending approximately perpendicular to a direction of the track's travel, the track bar having an outer surface with multiple projecting lugs and an inner surface with at least one holding element, and wherein when the track bar is tightened against the outer belt surface, the holding element engages the outer belt surface, thereby reducing slipping between the flexible belt and the track bar. | 05-03-2012 |
20130147262 | Cross-Links for a Track of a Tracked Vehicle - A cross-link for a track of a tracked vehicle, such as a tracked carrier vehicle. The track comprises a plurality of belts spaced apart to accommodate a plurality of wheels of the tracked vehicle, the belts having a ground-facing side for facing the ground. The cross-link comprises an elongate member for mounting to the belts to interconnect the belts. The elongate member has a belt-engaging face contacting the belts on the ground-facing side when the elongate member is mounted to the belts. The cross-link also comprises a sole mountable to the elongate member. The sole comprises a ground-engaging portion for engaging the ground. A ground contact area of the sole may be substantially different from a projected area of the elongate member onto the ground. For example, a length of the ground-engaging portion of the sole may be substantially different from a length of the elongate member. | 06-13-2013 |
20140175865 | Apparatus for Converting a Wheeled Vehicle to a Tracked Vehicle - A track assembly having a carriage with frames that support a plurality of idler and bogey wheels. A portion of one of the frames is telescopically received within a portion of the other frame. A tensioning apparatus is connected to the frames so that they are adjustable relative to each other. Each carriage may include an offset hub support frame that includes an aperture that rotatably receives a spindle of an adaptor. The adaptor includes a peripheral flange to which a segmented sprocket may be connected, and a ring extension that may be connected to a wheel hub of an irrigation vehicle. A flexible endless track, that is entrained about the wheels and the sprocket may be provided with one or more cleats that are removably connected to the flexible, endless track, with each cleat including a ground engaging member that serves to increase the traction of the endless track. | 06-26-2014 |
305184000 | With friction drive structure | 1 |
20150042153 | DRIVE SPROCKET, DRIVE LUG CONFIGURATION AND TRACK DRIVE ARRANGEMENT FOR AN ENDLESS TRACK VEHICLE - A sprocket for a tracked vehicle. The sprocket has a plurality of sockets for engaging drive lugs on an inner surface of a track driven by the sprocket. The sprocket also including a support surface for engaging with an inner surface of the track and which is in rolling contact with the inner surface of the track. | 02-12-2015 |