Abstract: A track for traction of a vehicle e.g., a snowmobile, a snow bike, an all-terrain vehicle (ATV), etc.), in which the track may have features to enhance its traction, floatation, and/or other aspects of its performance, including to be lightweight, facilitate turning, enhance acceleration, reduce noise, adapt to different ground conditions, and/or provide other benefits.

Abstract: A transverse bar for tracks of snow groomers is defined by a section bar, which extends in a direction, and is provided with an inner cavity, which extends through the section bar in the direction, is laterally open in the direction, and is at least partially filled with a water-repellent polymer filling material.

Abstract: A track assembly to be mounted on a vehicle. The track assembly has a frame, a drive wheel rotationally mounted to the frame, a front idler wheel assembly mounted to the frame, a rear idler wheel assembly mounted to the frame, and a track mounted around the front idler wheel assembly, the rear idler wheel assembly, and the drive wheel, and being in driving engagement with the drive wheel. The track has a plurality of traction lugs distributed along an outer surface of the track. Each traction lug of the plurality of traction lugs has a height in a range of 1.6 inches to 2.5 inches. A distance between a foremost point on the outer surface of the track and a rearmost point on the outer surface of the track is between 54 inches and 65 inches.

Abstract: A track belt comprises a bearing element having an inner surface, an outer surface and a width. On the inner surface, a guide element extends in the longitudinal direction of the track belt, comprising a first edge protrusion and a second edge protrusion. The width of the guide element is substantially smaller than the width of the bearing element. The track belt comprises a first guide groove having a first flank surface formed by the first edge protrusion, and a second guide groove having a first flank surface formed by the second edge protrusion. The first flank surfaces of the edge protrusions are uniform and continuous substantially over the entire length of the guide element. Preferably, the guide element comprises a traction surface parallel to the inner surface of the bearing element, having engaging members for receiving the engaging parts of the drive wheel.

Abstract: A track system of a vehicle can be monitored (e.g., during operation of the vehicle) to obtain information about the track system which can be used for various purposes, such as, for example, to convey the information about the track system to a user (e.g., an operator of the vehicle) and/or to control the vehicle, for instance, by controlling a speed of the vehicle depending on a state (e.g., a temperature and/or one or more other physical characteristics) of the track system. This may be useful, for example, to gain knowledge about a track of the track system, to help prevent rapid wear or other deterioration of the track of the track system (e.g., blowout), and/or to adapt how fast or slow the vehicle moves in order to protect the track of the track system while permitting the speed of the vehicle to be greater over short periods (e.g., when travelling on or crossing roads or other particular areas).

Abstract: In the present invention, a crawler belt (10) is provided with: an endless belt main body (11); a plurality of tread lugs (12) formed at the outer periphery of the belt main body (11) with spaces therebetween in the peripheral direction; and a pair of disengagement prevention sections (13) that are formed along the peripheral direction of the belt main body (11) at the inner periphery of the belt main body (11) and are separated in the width direction of the belt main body (11). The disengagement prevention sections (13) are configured from a plurality of rib segments (13a) extending in the peripheral direction and disposed along the peripheral direction with spaces therebetween. Each rib segment (13a) is disposed at a position in the peripheral direction corresponding to a tread lug (12).

Abstract: 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 comprises an elastomeric belt-shaped body comprising an inner surface for facing wheels of the vehicle and a ground-engaging outer surface for engaging the ground. The endless track also comprises 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. The elastomeric lug may 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 sacrificial zone or a wear indicator zone.

Abstract: A main cord layer is embedded in a crawler main body, and a first bias cord layer, a second bias cord layer, a third bias cord layer and a fourth bias cord layer are embedded at an outer peripheral side of the main cord layer. Bias cords of the second bias cord layer and bias cords of the third bias cord layer are inclined in a direction that is opposite, with respect to a crawler circumferential direction, bias cords of the fourth bias cord layer that are inclined with respect to the crawler circumferential direction.

Abstract: A rubber crawler that has a specified rotation direction. includes a crawler body, rubber projections and lugs. The lugs project out from an outer peripheral face, extend at an angle to the crawler peripheral direction from an inner side end portion toward the crawler width direction outer side and toward an opposite side to a crawler rotation direction with a larger angle at an acute angle side with respect to the crawler peripheral direction on the crawler width direction outer side than on the central line side; have inner side end portions of lugs adjacent to each other in the crawler width direction respectively overlapping a single projection of the projections, and are disposed at positions separated in the crawler width direction with the inner side end portions adjacent to each other in the crawler width direction respectively overlapping each other when viewed along the crawler width direction.

Abstract: A rubber crawler having a specified rotation direction includes a crawler body and plural lugs. The plural lugs are provided at the crawler body, and extend at an angle to a crawler peripheral direction from an end portion on a central line side toward a crawler width direction outer side and toward an opposite side to a crawler rotation direction. In a cross-section of the lugs taken along the crawler peripheral direction, an angle formed between each apex side portion of tread-in-side wall faces on the crawler rotation direction side and an outer peripheral face is 90 degrees or greater, and is smaller than an angle formed between each apex side portion of a kick-out-side wall faces on the opposite side to the crawler rotation direction and the outer peripheral face.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A farm implement includes an undercarriage including at least a front crossbeam and a rear crossbeam and first and second dual track propulsion systems. Each dual track propulsion system includes a first track assembly and a second track assembly. Each track assembly includes at least a track frame, at least two wheels and a track belt looped around the wheels. Each track assembly also includes a track support beam coupled to the track frames of the first and second track assemblies. The track support beam is pivotably coupled to the front and rear crossbeams such that said track support beam can pivot about a first axis of rotation parallel to a longitudinal axis of the track support beam, thereby allowing the first track assembly to move generally upwardly and downwardly in the opposite direction of the second track assembly.

Abstract: 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.

Abstract: 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.

Abstract: A rubber track having: an endless rubber elastic body 1; a plurality of cores 2 arranged at predetermined pitches in the rubber elastic body so as to extend in a width direction of the rubber elastic body; a reinforcing layer extending in the rubber elastic body so as to surround the cores 2; and a plurality of lugs 4 formed on an outer peripheral surface of the rubber elastic body 1 at predetermined intervals and acting on a road surface, the rubber track comprising; a thick wall rubber portion, located between the lugs on the outer peripheral surface of the rubber elastic body, that covers an end portion of each of the cores and communicates with lugs located therebefore and thereafter, wherein an inclined plane of the thick wall rubber portion facing obliquely outward whose thickness gradually decreases toward a side edge side of the rubber elastic body is coplanar with an inclined plane of each of the lugs on the side edge side of the rubber elastic body.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A track assembly for a mobile tower of an irrigation system includes a mounting bracket; a gearbox assembly and rotatable drive wheel hub attached to the mounting bracket; a drive wheel attached to the drive hub; a rotatable tension wheel hub attached to the mounting bracket and spaced from the drive hub; a tension wheel attached to the tension wheel hub; a track belt trained over the drive wheel and the tension wheel and driven by the drive wheel to propel the mobile tower; and structure for pivotally mounting the mounting bracket to the mobile tower.

Abstract: A track assembly for a mobile tower of an irrigation system includes: a mounting bracket configured to be attached to the mobile tower; a gearbox assembly and rotatable drive wheel hub attached to the mounting bracket; a drive wheel attached to the drive hub; rotatable tension wheel hub attached to the mounting bracket and spaced from the drive hub; a tension wheel attached to the tension wheel hub; and a track trained over the drive wheel and the tension wheel and driven by the drive wheel to propel the mobile tower.

Abstract: A rubber crawler for a tracked vehicle involves an endless rubber belt body for revolving around first and second members that are spaced from each other, which belt body has an outer peripheral face including a plurality of lugs that protrude outwardly from the belt body, each of which lugs has a ground-contacting surface and a sidewall extending outwardly from the belt body to the ground-contacting surface, the sidewall having a groove extending transversely to the length direction of the belt body, and each of which lugs is at least partially made of material that is deformable, at the groove of the sidewall, when the belt body bends to facilitate removal of soil from the groove.

Abstract: A track assembly for providing traction to a vehicle, such as an agricultural vehicle, a construction vehicle, or another work vehicle The track assembly is mountable to an axle of the vehicle The track assembly comprises a plurality of wheels comprising a leading idler wheel and a trailing idler wheel spaced apart in a longitudinal direction of the track assembly, an axis of rotation of the axle of the vehicle being located between an axis of rotation of the leading idler wheel and an axis of rotation of the trailing idler wheel in the longitudinal direction of the track assembly, and a driver wheel for rotating when the axle of the vehicle rotates The track assembly also comprises an endless track disposed around the wheels The endless track comprises an inner side facing the wheels and a ground-engaging outer side for engaging the ground The endless track engages the driver wheel such that rotation of the driver wheel imparts motion to the endless track.

Abstract: A climbing robot for travelling over adhesive surfaces with endless traction mechanisms (14) and, fastened to them at a distance, controllable adhesive feet (21) that circulate with the endless traction mechanisms (14) along guides (17) in the travel plane, by means of which the adhesive sides of their adhesive elements (15) always point towards the travel surface and wherein the adhesive elements (15) that support and move the climbing robot are switched “ON” and lowered onto the adhesive surface and all of the other adhesive elements (15) are switched “OFF” and raised from the adhesive surface, wherein the climbing robot has square running gear (11), and a foot plate (13) with a guide (17) running around the edges for a multitude of adhesive feet (21) driven by traction mechanisms exists in each of the four corners (18) of the running gear (11), wherein the foot plates (13) are attached to a support plate (12) of the running gear (11) and wherein all of the adhesive feet (21) and therefore adhesive elements

Abstract: A track belt for a snow vehicle includes a belt body, a first lug, outer end circumferential regions, and contacting portions. The first lug is disposed at a central portion in a right/left direction of the belt body. The outer end circumferential regions are provided at both end portions in the right and left directions of the belt body, and include second lugs each having a height from the outer circumferential surface being no more than a half of a height of the first lug, or do not include lugs protruded from the outer circumferential surface of the belt body. The contacting portions are provided at the inner circumferential surface such that positions of the contacting portions in the right/left direction overlap with the outer end circumferential regions and are arranged to contact a rotating wheel member that opposes a snow surface across the belt body.

Abstract: The field-repair assembly is used for temporarily repairing a ruptured or otherwise damaged elastomeric track mounted on a vehicle and generally allows the vehicle to proceed, preferably on its own, to a maintenance site located nearby where replacement or permanent repair of the track can be undertaken. The assembly comprises a plurality of spaced-apart and generally parallel support members, each of which being generally transversely disposed on the ground engaging outer surface of the track. The transverse members are secured to each side of the track via retention brackets. The transverse members are further linked together via flexible cables which are fixedly mounted to retention brackets. The assembly further comprises a bridging element generally mounted to a subset of the transverse members. The bridging element is generally located over the damaged area of the track and on the outer surface thereof for providing continuity and support to the damaged track.

Abstract: A crawler belt 20 includes first regions and second regions alternately arranged in a circumferential direction thereof. The first region has at least one first tread lug 25 and the second region has at least one second tread lug 26. The first tread lug 25 has high flexural rigidity and is not easily bent and the second tread lug 26 has low flexural rigidity and is easily bent. The first tread lug 25 catches on an upper end of a high step or bump S with the second tread lug 26 in a bent condition, thus allowing the crawler unit to move over the step or bump.

Abstract: 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.

Abstract: The present invention relates to a coreless rubber crawler traveling device in which spring characteristics are achieved by reducing a contact area of a wheel-rolling contact surface on an inner peripheral surface of a rubber elastic body with an outer surface of a tracker roller. A coreless rubber crawler comprises an endless rubber elastic body, main cord rows embedded in the rubber elastic body in a longitudinal direction of the rubber elastic body, rubber projections formed on the inner peripheral surface of the rubber elastic body at uniform pitches, and rubber lugs formed on the outer peripheral surface of the rubber elastic body. In the coreless rubber crawler traveling device, a tracker roller, which is provided at the side of a vehicle body and which straddles the right and left sides of each of the rubber projections in the widthwise direction, rolls in such a manner that an outer surface of the tracker roller comes into contact with the inner peripheral surface of the rubber elastic body.

Abstract: A traction assembly for replacing a wheel on a vehicle is disclosed. The traction assembly uses a traction band disposed about a sprocket wheel, idler wheels and road wheels for propulsion. The idler wheels and road wheels are pivotally mounted to a support frame which is coupled to the sprocket wheel via a support arm. The support arm is pivotally yet non-drivingly connected to the sprocket wheel and is pivotally connected to the support frame. The support arm is able to pivot forwardly and rearwardly, albeit in a limited fashion, with respect to the support frame. Such forward and rearward pivotal movements allow the weight of the vehicle to be transferred on the trailing portion, i.e. either the front or the rear portion, of the support frame depending on the direction of movement of the vehicle, thereby generally preventing the leading portion from diving or digging into the ground.

Abstract: A traction chain assembly for providing improved traction to elastomeric tracks is provided. The traction chain assembly comprises two side brackets adapted to be mounted on each side of the track and generally to the drive lugs thereof. The traction chain assembly further comprises generally two laterally extending chains which are attached to the side brackets and which further extend at least partially over the traction lugs located on the outer surface of the track and over which the assembly is disposed. Some of the chain links of the chains of the traction chain assembly are also generally equipped with outwardly projecting grousers for increasing the traction thereof.

Abstract: A rubber track having: an endless rubber elastic body 1; a plurality of cores 2 arranged at predetermined pitches in the rubber elastic body so as to extend in a width direction of the rubber elastic body; a reinforcing layer extending in the rubber elastic body so as to surround the cores 2; and a plurality of lugs 4 formed on an outer peripheral surface of the rubber elastic body 1 at predetermined intervals and acting on a road surface, the rubber track comprising; a thick wall rubber portion, located between the lugs on the outer peripheral surface of the rubber elastic body, that covers an end portion of each of the cores and communicates with lugs located therebefore and thereafter, wherein an inclined plane of the thick wall rubber portion facing obliquely outward whose thickness gradually decreases toward a side edge side of the rubber elastic body is coplanar with an inclined plane of each of the lugs on the side edge side of the rubber elastic body.

Abstract: The one-piece running gear (1) has at least two wheels (2), each mounted to rotate about a shaft (6) on a mounting (7). The rotary shaft (6) of at least one of these wheels (2) can be moved away by at least one spacer means (13), the force for returning it to position being exerted by an endless kinematic running link (3) travelling around the wheels (2), said wheels being kinematically connected together by this running link (3). The running gear (1) may be mounted in a pivoting or fixed fashion on a rolling base serving as the chassis of a vehicular or other moving assembly.

Abstract: An endless snowmobile track for traction of a snowmobile. The endless snowmobile track comprises a ground-engaging outer side for engaging the ground on which the snowmobile travels and an inner side for engaging at least one drive wheel of the snowmobile. The inner side comprises a friction drive surface for frictional engagement with the at least one drive wheel such that, when each of the at least one drive wheel rotates, friction between the friction drive surface and the at least one drive wheel moves the endless snowmobile track to propel the snowmobile on the ground. An endless all-terrain vehicle (ATV) track for traction of an ATV is also provided.

Abstract: A coreless rubber crawler has a tension body embedded in an endless rubber elastic body in the longitudinal direction thereof, lugs (7) formed at the outer peripheral surface of the elastic body, central projections (2) formed at the center in a width direction of the inner peripheral surface of the elastic body at regular intervals in a longitudinal direction of the elastic body, and drive projections (5, 6) engaging with sprockets and formed at both outer sides in a width direction of the inner peripheral surface of the elastic body at the same intervals as the central projections. Elongated detachment preventing projections (2A) that engage with rolling wheels (20) are formed such that the pitch between the central projections (2) is larger than the pitch between the drive projections (5, 6).

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Rolling member comprising a track (2) and a moving part (1) able to move relative to the track (2) and designed to form a rolling strip (10) travelling in a closed circuit, said member being characterized in that the moving part (1) comprises a flexible and continuous movement bead, and the track (2) is designed to guide the moving part (1) along a skew path of variable curvature.

Abstract: 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.

Abstract: A track extension in combination with a track system comprises a track system having a track frame, wheels mounted to the frame and adapted to allow cyclic movement of a track about the frame, drive means in the frame adapted to transmit a drive of a vehicle to the track to drive the track in a cyclic movement. An extension frame is releasably secured to an end of the track frame. An idler wheelset is mounted to an end of the extension frame. A track is mounted about the track frame and the extension frame such that a footprint of the track is delimited at an end by the engagement of the track with the idler wheelset. A method is provided to increase a footprint of a track system.

Abstract: 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.