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TRACKS OR TREADS

Subclass of:

305 - Wheel substitutes for land vehicles

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
305185000TRACKS OR TREADS87
20100201187Versatile Endless Track For Lightweight Mobile Robots - A versatile endless track system for a lightweight robotic vehicle is disclosed. The versatile endless track system includes a flexible track configured for mounting about a plurality of track supports of the lightweight robotic vehicle. A plurality of traction pads including at least two different types of traction pads are inserted into and supported by a plurality of receptacles contained within the flexible track. The different types of traction pads provide different ground-interfacing profiles designed to provide traction with respect to ground surfaces having different traction properties. Optionally, traction pads can be removable, allowing the versatile endless track to be reconfigured. A method of configuring a versatile endless track is also disclosed.08-12-2010
20120098327Track chain running gear for mining machines, and chain link for a track chain running gear and method for producing said chain link - In a track chain running gear (04-26-2012
20120286567Track Link with Replaceable Rail and Method of Replacing Worn Rails on Track Links - A composite track link is provided that has a body and a replaceable rail brazed or soldered together to provide a metallurgical bond between the track link body and the rail such that the rail may be removed and replaced by heating the track link or the brazing or soldering filler metal when the rail becomes worn. This process enables the rail to be separated from the body of the track link so a new rail can be brazed or soldered to the body of the track link. As a result, track links or bodies of track links may outlast the rails by multiple use cycles. Further, the body and rail may be formed of different materials.11-15-2012
20130147263TRACK PAD - A track pad for a crawler, especially operating in a landfill, having a generally rectangular base plate with holes for attachment to a track chain link, the base plate having front, rear and side edges, a high rise grouser on the base plate, the grouser projecting from the base plate a distance substantially greater than conventional grousers, the grouser having a central portion with the general configuration of a plate with an edge distal from the base plate, the central portion being generally laterally centered on the base plate, the grouser being devoid of areas projecting significantly from the base plate adjacent the side edges of the base plate.06-13-2013
20140346856CRAWLER TRACK - A shoe for a crawler track includes a first end, a second end, a longitudinal axis extending between the first and second ends, a roller path axis extending perpendicular to the longitudinal axis, and an intermediate portion disposed between the first and second ends. The intermediate portion includes a roller-engaging portion disposed along the roller path axis, the intermediate portion including four successive faces that form a parallelogram when viewed from a direction substantially perpendicular to the longitudinal axis, two of the four faces being disposed at an acute angle relative to the longitudinal axis.11-27-2014
20160159414APPARATUS FOR CONVERTING A WHEELED VEHICLE TO A TRACKED VEHICLE - A self-propelled, wheeled vehicle convertible into a multi-track vehicle using one or more track assemblies is disclosed. Each track assembly includes a carriage with a main frame supporting 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 movably connects 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 section and a second section that generally encircle a portion of the spindle housing, connected thereto by a plurality of fastening elements. A sprocket is operatively connected to a wheel hub of the spindle by way of a spacer element. A flexible endless track is entrained about the idler wheels, the bogey wheels and the sprocket.06-09-2016
305040000 Cable connected treads 2
20090102280TRACK SEGMENT WITH EP(D)M RUBBER BASED BACKER AND METHOD OF MAKING - The present invention is directed generally to track segments for track vehicles and, more specifically, to a track segment having an ethylene propylene diene monomer (EP(D)M) rubber based backer, and a method of making. In one embodiment, the track segment includes an EP(D)M rubber based backer including a rubber compound having 100 phr EP(D)M rubber wherein the diene component is optionally present, a peroxide curing agent, and one or more acrylic and/or methacrylic coagents. The track segment further includes a track pad and a track body. The track pad and backer cooperate with the track body to define the track segment for use in a track for a track vehicle. The EP(D)M rubber based compound provides a desirable balance of low heat build-up under heavy dynamic cyclic compression conditions, and also has a desirable load carrying capability, high heat resistance, and good cut/tear strength in hot climates.04-23-2009
20130002009MOBILE MACHINE TRACK SHOE - A mobile machine track shoe includes a ground engaging surface including a first grouser bar and a second grouser bar substantially parallel to the first grouser bar. The track shoe further includes a base opposite the ground engaging surface. The base includes a first relief disposed opposite the first grouser bar, and a second relief disposed opposite the second grouser bar.01-03-2013
305041000 Resilient connection between treads 1
20080238190Separable Rubber Track of Tank - The present invention relates to a separable rubber track used in a tank. The rubber track is divided into a plurality of track units. A pair of connection cores connected to steel cores is provided on both ends of the track unit. The track units are connected to each other through coupling members rotatably combined with the connection cores to form an integrated endless track. Therefore, when a part of rubber molding is damaged during operation, it is possible to easily replace the damaged part with a new one. Therefore, it is possible to remarkably reduce the time and expenses spent on maintaining and repairing the rubber track, to prolong the life of the rubber track, and to conveniently replace the damaged part on site.10-02-2008
305046000 With resiliently biased ground engaging portion 5
20090278402Replaceable Wear Pad - A replaceable wear pad apparatus for a crawler track of a construction machine includes an elongated reinforcing element having first and second sides. The reinforcing element includes first and second holes disposed therethrough and includes first and second polygonal cross section sockets defined therein on the first side of the reinforcing element co-axial with the first and second holes, respectively, each socket including a socket floor and multiple sides. First and second polygonal cross section nuts are received in the first and second sockets, each nut having a threaded bore co-axial with one of the holes. A wear pad is molded from a wear pad material, the reinforcing element and the nuts being embedded in the molded wear pad material so that the wear pad material holds the nuts in place within the sockets.11-12-2009
20100001580TRACTION CHAIN ASSEMBLY FOR ELASTOMERIC TRACKS - 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.01-07-2010
20110148187Replaceable Track Pad and Mounting Plate - A replaceable track pad for use on a track chain of a crawler-type tracked machine reduces damage to a travel surface while providing traction and support to the tracked machine. The replaceable track pad includes a tread supported by a backing plate. The replaceable track pad may be mounted to a track link on a track chain using a mounting plate, forming a track pad mounting assembly. The mounting plate includes a substantially flat mounting surface. A worn or damaged track pad may be removed from the track chain without removing the mounting plate. The worn track pad can be refurbished by removing the worn tread material from the backing plate and attaching a new tread to the backing plate.06-23-2011
20110163595SNOW GROOMER TRACK AND SNOW GROOMER FEATURING SUCH A TRACK - A track for a snow groomer having a plurality of grousers spaced apart, extending crosswise to the traveling direction of the track, and each having a grip portion configured to grip the terrain, and a blunt edge opposite the grip portion. A chain is connected to the blunt edges of the grousers so as to be engaged, in use, by a drive sprocket of a snow groomer.07-07-2011
20140306516VIBRATION-DAMPED TRACK SHOE FOR MOBILE MACHINE - A track shoe is disclosed for use with a mobile machine. The track shoe may have a base plate with an inner surface and an outer surface, and a grouser bar extending from the outer surface away from the base plate. The track shoe may also have a vibration damping coating applied to opposing ends of the base plate at the inner surface. The vibration damping coating may have a thickness about equal to a thickness of the base plate.10-16-2014
305047000 With sag prevention means 1
20080309157Stud for a Crawler Pertaining to Crawler-Type Vehicles, Especially Ski Slope Grooming Vehicles or Appliances for Tracing Cross-Country Ski Runs - A stud for a crawler pertaining to crawler-type vehicles, especially ski slope grooming vehicles or appliances for tracing cross-country ski runs, the stud having a carrier provided with a portion for mounting an inserted bar, wherein the mounting portion has two parallel legs interconnected by a connecting element arranged on the crawler, and arranged at an angle, at a distance from the bearing surface of the stud; wherein the bar is partially glued and/or welded in the mounting portion.12-18-2008
305186000 Having master link 5
20110316331Master Link Joint for a Track Undercarriage and Method of Retrofitting an Existing Undercarriage - A master link joint for a drive chain is disclosed. The disclosed master link joint includes two master links. Each master link includes a first half link and a second half link that engage each other along mating abutment surfaces. The two master links are disposed on opposite sides of the chain. The first half links are coupled by a pin that traverses the chain and the second half links are coupled by a bushing that traverses the chain. The mating abutment surfaces include a first ramp that meets a second offset ramp at a junction or root. An angle θ defined by the second ramps of the mating abutment surfaces and a line parallel to the rail or bottom pad of the half links ranges from about 45 to about 53°.12-29-2011
20120153715CRAWLER BELT AND MASTER LINK FOR CRAWLER BELT - A crawler belt and a master link for use in the crawler belt enable easy connection and disconnection of the crawler belt. The crawler belt has a track chain, in which a plurality of regular links are pivotally connected at their ends, the master link for connecting the ends of the track chain to form the crawler belt into a loop, and track shoes attached to the regular links and the master link respectively. The crawler belt has a slit aperture which leads only to a pin insertion hole formed at the other end of the master link and is configured such that a clamping force, generated by tightening a master bolt that imparts a tightening force to the master link to narrow the slit aperture, is allowed to work on only the regular pin inserted into a pin insertion hole leading to the slit aperture.06-21-2012
20160068206CRAWLER BELT AND MASTER LINK FOR CRAWLER BELT - A crawler belt and a master link for use in the crawler belt enable easy connection and disconnection of the crawler belt. The crawler belt has a track chain in which a plurality of regular links are pivotally connected at their ends, the master link for connecting the of the track chain to form the crawler belt into a loop, and track shoes attached to the regular links and the master link respectively. The crawler belt has a slit aperture which leads only to a pin insertion hole formed at the other end of the master link and is configured such that a clamping force, generated by tightening a master bolt that imparts a tightening force to the master link to narrow the slit aperture, is allowed to work on only the regular pin inserted into a pin insertion hole leading to the slit aperture.03-10-2016
20160101818MASTER LINK MATING SURFACE COVER - A master link mating surface cover is disclosed. The master link mating surface cover includes a first inclined portion for covering a corresponding first inclined portion of a master link mating surface, a second inclined portion for covering a corresponding second inclined portion of a master link mating surface, and a third inclined portion for covering a corresponding third inclined portion of a master link mating surface.04-14-2016
20160176456Reversible Track Link System06-23-2016
305187000 With detachable grouser for endless chain track 15
20120007421SNOWMOBILE TRACTION DEVICE - A traction enhancement device for a snowmobile including a plurality of traction studs extending from a stud plate. The device configured for mounting to a snowmobile track by a central mounting stud extending through the track and the stud plate. The device provides for a plurality of traction studs to be mounted to the track with only a single hole in the track. A method of mounting a fraction enhancement device to a snowmobile track that provides a plurality of traction studs with only a single hole through the track.01-12-2012
20140001830TRACK LINK01-02-2014
20140001831TRACK LINK ASSEMBLY01-02-2014
305189000 Including nonmetallic part or component 2
20140246899LOWER TRACK OF CRAWLER EXCAVATOR - Disclosed is a lower track for mounting rubber pads on a track shoe to be attachable and detachable after assembling a steel plate which is adhered with divisionally formed rubber pads as a single unit without additionally perforating coupling through-holes in the track shoe when the rubber pad which forms the lower track and the track shoe which is formed of a metal material are coupled. The lower track of a crawler excavator according to the present invention comprises: first and second rubber pads which are divisionally formed; a first steel plate which supports the bottom surface of the first rubber pad by surrounding the same, and has first hooks formed on the bottom surface thereof and coupling holes formed in a connection stepped-portion, which is formed at the opposite side of the first hooks; a second steel plate which supports the bottom surface of the second rubber pad by surrounding the same, and has second hooks formed on the bottom surface thereof, connection protrusions formed at the opposite side of the second hooks so as to be secured on the connection stepped-portion, and connection through-holes formed in the protrusions so as to correspond to the coupling holes; and coupling members sequentially passing through the through-holes formed in the second rubber pad and the through-holes formed in the second steel plate so as to be fixed in the coupling holes of the first steel plate.09-04-2014
20220135157REDUCED MATERIAL HYDRAULIC MINING SHOVEL TRACK PAD - Track pad includes a first link member that extends upwardly from the shoe member including a first lug member extending from the first link member in a first direction, as well as a second lug member and a third lug member both extending from the first link member in a second direction opposite of the first direction. The track pad also defines a first side cavity that extends from the first lateral end toward the second lateral end, jogging from the front end toward the rear end along the track chain traveling direction, and downwardly toward the ground engaging surface.05-05-2022
305191000 Grouser structure, per se 10
20090015060Stamped dual snowmobile runner and method of manufacture - A runner and method of making a runner for mounting on a snow ski including a runner body fabricated of one piece of stamped metal which includes a central base portion and a pair of longitudinally extending runner portions which are bent downwardly from the base portions in laterally spaced relationship to one another. Carbide wear strips are secured to the lower edges of the runner portions, while the base portion 01-15-2009
20090267408Track shoe for caterpillar vehicle - A track shoe fastened on a chain of the caterpillar vehicle includes a body and a buffer block. The body includes an first surface adjacent to the chain, a second surface opposite to the first surface, a third surface, a fourth surface opposite to the third surface, a groove defined on the second surface and through the third surface and the fourth surface, and the holes defined through the first surface and the second surface to communicate with the groove. The buffer block includes an embedded portion capable of being embedded within the groove of the body, and multiple lock holes defined through the buffer block to respectively communicate with the holes of the body. The buffer block is secured on the body through the embedment between the embedded portion and the groove, and secured on the chain by the fastening members within the holes and the lock holes.10-29-2009
20100141027Abrasion Resistant Track Shoe Grouser - A track shoe for a track-type vehicle. The track shoe includes a base plate and a grouser projecting away from the base plate. A capping surface structure of substantially horseshoe shaped cross-section is disposed across a distal portion of the grouser. The capping surface structure covers portions of a distal edge surface and adjacent lateral surfaces. The capping surface structure is formed from an material characterized by enhanced wear resistance relative to portions of the grouser underlying the capping surface structure.06-10-2010
20100225160CRAWLER VEHICLE TRACK GROUSER - A grouser for crawler vehicle tracks defined by a fastening member which extends in a first direction substantially crosswise to a second traveling direction of a track, is fixed to at least one supporting belt of the track, and has an inner cavity open laterally in the first direction. The grouser includes a toothed gripping member projecting from the fastening member to grip the terrain. The grouser also includes two plugs for closing the inner cavity laterally in the first direction.09-09-2010
20100276991CROSS-LINKS FOR A TRACK OF A TRACKED VEHICLE - A cross-link for a track that comprises belts spaced apart to accommodate a plurality of wheels of a tracked vehicle on which the track is mounted, the belts having a ground-facing side. In one embodiment, the cross-link comprises an elongate member for mounting to the belts to interconnect the belts, the elongate member having a belt-engaging face contacting the belts on the ground-facing side when the elongate member is mounted to the belts. The elongate member defines a channel including a bottom portion and a pair of sidewalls opposite one another on either side of the bottom portion. The cross-link also comprises a sole mountable in the channel for engaging a ground surface on which the tracked vehicle travels, the sole comprising a pair of sidewall-engaging surfaces for engaging the sidewalls when the sole is mounted in the channel.11-04-2010
20130049453SNOWMOBILE TRACK STUD SUPPORT - A snowmobile traction stud support and enhancement device includes a base and at least one boss that extends from the base. Each boss includes a boss aperture through which a stud can pass. Support flanges around the at least one boss can be longer, shorter or equal to the length of the at least one boss. The support flanges extend from the at least one boss to a base plate, and can be tapered or straight, with differing wall cross-sections. The stud support is lightweight, has improved traction, and heightened resistance to bending, thereby increasing performance characteristics.02-28-2013
20160137241SNOWMOBILE TRACK STUD SUPPORT - A snowmobile track stud support includes a base configured to be coupled to a track of a snowmobile. A first boss extends from the base. The first boss includes a distal end having a boss aperture within which a stud can be disposed. A second boss extends from the base. The second boss includes a distal end with a boss aperture within which a stud can be disposed. A support flange extends from at least one of the first and second bosses and is disposed between the first and second bosses. The support flange includes a peak that projects away from the base. The distance from the peak to the base is greater than the distance from the distal end of the first boss to the base.05-19-2016
305192000 Specific material (e.g., hardness, welding, method of manufacture) 3
20120299372DETACHABLE GROUSER SPIKES FOR ENHANCES TRACTION OF CONTINUOUS TRACK VEHICLES - Traction enhancing detachable spikes are disposed on, and between, the grousers and the shoes of continuous tracks of motorized vehicles such as bull dozers, excavators, tanks, skid steers and the like. Spike receptacles are permanently affixed to the track of continuous track construction machinery, which spike receptacles house outwardly protruding spikes. The spikes are easily detachable and removable from the spike receptacle to facilitate use of the subject motorized vehicles on flat and graded surfaces, such as pavement.11-29-2012
20130221739Abrasion Resistant Track Shoe Grouser - A track shoe for a track-type vehicle. The track shoe includes a base plate and a grouser projecting away from the base plate. A capping surface structure of substantially horseshoe shaped cross-section is disposed across a distal portion of the grouser. The capping surface structure covers portions of a distal edge surface and adjacent lateral surfaces. The capping surface structure is formed from an material characterized by enhanced wear resistance relative to portions of the grouser underlying the capping surface structure.08-29-2013
20150321713CRAWLER WEB - A crawler web for a crawler chain of a crawler vehicle, in particular a snow vehicle, is proposed, wherein the crawler web comprises a base rail which is attachable releasably to the crawler chain, a track bracket which is provided for guiding the crawler chain on a chassis of the crawler vehicle, and a tread element which is provided for arrangement on a ground contact side of the crawler chain and for engagement in an underlying surface. According to the invention, the track bracket and the tread element are formed integrally, wherein the tread element is extended over a large part of a length in the longitudinal direction of the base rail.11-12-2015
305193000 With guide means for interfitting with sprocket wheel or roller 34
20080284245Machine track system and machine track segment - A machine track system includes a track with track shoes each having a footprint, and a ground contact area equal to the footprint, the track shoes being coupled together by a total of two track chains. A first rail and a second rail are located between first and second outboard edges of each of the track shoes, such that track rollers roll directly on the track shoes. The track chains are spaced outboard of the rails, and a guide block configured to engage with an idler and a drive sprocket is positioned between the respective rails. A sprocket and idler for use with the track system includes removable track contacting segments having pockets configured to receive the guide blocks for driving and guiding the track.11-20-2008
20090051218Traction Enhancement Device - An enhanced traction device for use with a vehicle having dual tandem wheels includes a series of generally parallel track pads, each track pad having an alignment portion and a traction portion defining first and second ends. Each traction portion includes an inner surface for contacting the vehicle wheels and an outer surface for contacting ground. Each alignment portion extends away from a respective traction portion outer surface and is configured to pass between the dual wheels. The alignment portions maintain proper positioning of the track pads upon the dual tandem wheels of the vehicle. The traction device further includes a first chain coupled to each respective track pad first end for maintaining a predetermined spacing between said track pad first ends. Similarly, the traction device includes a second chain coupled to each track pad second end for maintaining a predetermined spacing between the track pad second ends.02-26-2009
20090058182ENDLESS TRACK CHAIN ASSEMBLY WITH IN SITU REPLACEABLE WEAR PARTS - An endless track chain assembly for an endless track vehicle having drive teeth received in tapered slots in a drive wheel. The drive teeth are replaceable in situ by a movement in a direction parallel to the rotational axis of the drive wheel. The drive teeth inter-fit with tapered inserts on the endless chain assembly so that all the driving forces are transmitted between the two replaceable wear elements. The inserts are inter-connected with pairs of links in a three point mounting as a structural unit to increase torsional rigidity and enable bushings that inter-connect adjacent links to be smaller that conventional bushings. The inserts on the endless chain assembly are readily replaceable by fasteners accessed from the exterior of the endless chain assembly.03-05-2009
20090212624TRACK CHAIN ASSEMBLY - A track link is provided for use with a track chain assembly. Each track link is provided with a mounting plate attached to its ground-engaging side, a track plate adapted to contiguously engage the mounting plate, and a removable fastening device to secure the track plate to the mounting plate.08-27-2009
305194000 Track wheel wear protection (e.g., track element protection) 3
20090045673Tension Member Structure of Crawler - The present invention relates to a crawler used for transporting the caterpillar vehicles for construction, civil engineering, agricultural use or the like. More particularly this invention relates to a structure of a tension member of the crawler, in which a plurality of tension members concentrically wound are juxtaposedly inserted in the traversing direction of the crawler, and therefore the tension member is prevented from being delaminated and the durability and the workability and productivity can be more improved. The present invention is characterized in that each of the tension members is concentrically wound several times, and the wound members are arranged juxtaposedly in the traversing direction of the crawler, thereby forming the tension members in the form of plural layers.02-19-2009
20110298274LIGHTWEIGHT WEAR RING - A segmented wear ring 12-08-2011
20160009324TRACK BUSHING FOR ENDLESS TRACK01-14-2016
305195000 Sprocket and track engagement 20
20100013298RUBBER TRACK - A rubber track having increased durability achieved by reducing teeth skipping phenomenon occurring between a sprocket at the vertex of a triangular chassis portion and rubber projections of the rubber track is provided.01-21-2010
20100102624Dual-Bushing Track Chain Cartridge - An endless track chairs for use with a track-type vehicle comprises a cartridge joined to the links of first and second link sets for relative rotation between the link sets.04-29-2010
20130009458Track guide - This invention describes a track guide, used with endless tracks mounted over tires of off-road vehicles, preventing laterally rolling off the inner or outer surfaces of the drive tires. The track guide counteracts, grips and controls the lateral slippage of the endless track dislodging from the drive tires, caused by conditions such as tensioned forces, sharp power-on turns in snow, ice, mud, sand and all other situations. The track guide effectively improves the ride and maneuverability of off road vehicles.01-10-2013
305196000 Track formed of rigid links 7
20110049975Track Chain Joint With Rotatable Pin - A track chain joint for an endless track chain of a track-type vehicle is configured to engage first and second sprockets of a drive wheel of the track-type vehicle.03-03-2011
305198000 Link or shoe structure, per se 6
20090026836LINK FOR CONNECTING TRACK SHOE OF CRAWLER BELT, ASSEMBLY FOR CRAWLER BELT, AND CRAWLER BELT - A track shoe connecting link 01-29-2009
20090045674TRACK BELT ASSEMBLY - A track chain assembly (02-19-2009
20100007206Non-Carburized Components of Track-Type Machines Having A Metallurgically Bonded Coating - Undercarriage assembly components of track-type machines having a metallurgically bonded wear-resistant coating and methods for forming such coated undercarriage assembly components is taught herein. The bodies of the undercarriage assembly components, formed of an iron-based alloy, have a hard metal alloy slurry disposed on a surface or into an undercut or channel and then fused to form a metallurgical bond with the iron-based alloy. The wear-resistant coating comprises a fused, metal alloy comprising at least 60% iron, cobalt, nickel, or alloys thereof. The portion of the outer surface of the undercarriage assembly components having the wear-resistant coating corresponds to a wear surface of the component during operation of the endless track of the track-type vehicle.01-14-2010
20130313891CRAWLER TRACK - A crawler track includes a link and is driven in a direction of travel by a sprocket having a plurality of teeth. The link includes a pad, a first grouser, and a second grouser. The pad defines a first surface, a second surface opposite the first surface, a first end, and a second end spaced apart from the first end along the direction of travel. The pad defines at least one opening extending through the pad between the first surface and the second surface, and the opening is operable to receive a sprocket tooth. The first grouser is positioned on the first surface proximate the first end of the pad, while the second grouser is positioned on the first surface proximate the second end of the pad. The first grouser and the second grouser extend in a direction substantially perpendicular to the direction of travel of the track.11-28-2013
20150353153Continuous Track for a Tracked Chassis - The invention relates to a tracked chassis, comprising a continuous track, which comprises ground plates (12-10-2015
20150375813TRACK SHOE HAVING INCREASED SERVICE LIFE USEFUL IN A TRACK DRIVE SYSTEM - A track shoe for a track drive system, which comprises a shoe base, one or more drive lugs attached to the shoe base, and a wear plate attached to the shoe base. The shoe base and drive lugs may be formed from a prehardened engineering steel, such as MECASTEEL 145. The wear plate may be formed from MECASTEEL 145 or an advanced abrasion-resistant steel, such as Creusabro 8000. The drive lugs may be replaceably attached to the shoe base, preferably by welding. The wear plate may be replaceably attached to the shoe base, preferably by fasteners such as bolts.12-31-2015
305199000 Sprocket wheel structure, per se 10
20080217994Idler for crawler track - An idler for use on a tracked vehicle of the type having a track that includes a plurality of track links joined together, which track links pass around the idler. The idler includes a plurality of generally flat surfaces that come into contact with corresponding generally flat surfaces on the track links as the track links pass around the idler. Reduced wear results. The generally flat surfaces on the idler may be provided by removable wear plates.09-11-2008
20090085399Sprocket, system and method for using the sprocket - A sprocket, a system and a method for using the sprocket have a chain drive for moving a chain of the earth moving equipment in a clockwise direction or a counter-clockwise direction. The chain drive has a sprocket having teeth for engaging and/or for moving the chain of the earth moving equipment. Bushings attach to the teeth of the sprocket by pins and holes extending through the teeth of the sprocket. A ring attaches to a first cylinder and/or a second cylinder of the chain drive. The bushings of the sprocket exert and/or apply a force to bushings of the chain for moving the earth moving equipment on the surface. The ring of the first cylinder and/or the second cylinder contact and/or apply a force to plates which are attached to shoes of the chain. The bushings of the sprocket, the ring of the first cylinder, the ring of the second cylinder and/or the plates prevent damage to, prevents weakening of and/or prevents destruction of the chain by the chain drive.04-02-2009
20090174253SPROCKET FOR CORELESS CRAWLER TRACK AND STRUCTURE FOR THE SAME - A sprocket used to transmit drive force to a coreless crawler track having rubber projections arranged at predetermined intervals on the inner peripheral surface of the crawler track. The sprocket has, on its circumferential edge, sprocket teeth arranged at the same pitch as the rubber projections. A cutout is formed at the outer circumferential tip of each sprocket tooth. Even if meshing between the rubber projections and the sprocket teeth has a trouble caused by the entry of soil and sands, the rubber projections are affected less, which greatly contributes to improvement of durability of the crawler track.07-09-2009
20100156170Sprocketed drive assembly for track-type machine - A sprocket assembly for a track-type machine comprises a plurality of teeth, radially-disposed about a center of the sprocket assembly, each of the plurality of teeth comprising opposing tooth flanks, wherein successive pairs of teeth defines a substantially concave channel for receiving therein a cylindrical pin member associated with a track link member of a continuous track chain, each tooth flank having a tooth angle less than about 17 degrees.06-24-2010
20110169325TANK WHEEL ASSEMBLY WITH WEAR RESISTANT COATING - The present disclosure relates to tank wheel assembly systems, methods, and apparatus. In one embodiment, a tank wheel assembly includes a first wheel and a second wheel. A first face of the first wheel faces a second face of the second wheel. A guide tunnel is defined by at least a portion of the first face and at least a portion of the second face. The guide tunnel has outer surfaces and is configured to receive a center guide of a tank tread. The guide tunnel and center guide at least partially maintain the tank tread of the tank wheel assembly. A wear resistant coating is located on at least a portion of the outer surfaces of the guide tunnel, restricts the center guide of the tank tread from abrading the outer surfaces of the guide tunnel, and has a thickness of at least about 0.025 inch.07-14-2011
20120193980Machine and Track Assembly For Use Therewith - A track assembly for a machine includes a track having inner track seals, a rotatable track engaging element such as an idler or drive sprocket and a contact interface for protecting the seals during guiding the track about the rotatable element. The contact interface may include sacrificial wear material on the rotatable element and sacrificial wear material on corresponding track links. The contact interface may have a configuration based on a location of the seals, and is adapted to inhibit wear of the track links in regions adjacent the seals. In another aspect, the contact interface is a guide interface.08-02-2012
20130020860TRACKLAYING GEAR - In a tracklaying gear of a road finishing machine or a feeder with a drive chain wheel comprising circumferential teeth and being rotatably driven about an axis, and at least one idler wheel freely rotating about an axis inside a caterpillar track damping layers having damping material and exclusively radial sliding guides are integrated in the drive chain wheel and/or the idler wheel between the axis and the caterpillar track.01-24-2013
20140333125SPROCKET WITH REPLACEABLE TEETH - A sprocket assembly may include a hub and a plurality of circumferentially spaced projections extending radially outward from the hub. The sprocket assembly may also include a plurality of teeth, each tooth being carried by one of the projections and having a recess that receives said projection therein. The projections and the recess in the teeth may have complimentary geometry to provide a close fit.11-13-2014
20150076898DRIVE SPROCKET FOR A TRACKED VEHICLE - A drive sprocket for driving a track of a tracked vehicle is provided. The drive sprocket includes an interior ring, an exterior ring, and an intermediate ring situated between the interior ring and the exterior ring. The interior ring, exterior ring, and intermediate ring are oriented in a substantially spaced-apart manner, each of the rings have an outer peripheral surface. A plurality of rods is attached to the rings adjacent to the outer peripheral surface thereof. The interior, exterior, and intermediate rings have a substantially “U” or “J” shape.03-19-2015
20190144056SPLINED IDLER FOR SCALLOP RESISTANCE05-16-2019
305200000 Track formed of rigid links 7
305201000 Link or shoe structure, per se 7
20090066154CRAWLER BELT - A first assembly 03-12-2009
20100148575Link and link assembly for track-type machine - A link for a track-type machine is disclosed. The link may have a body portion. The link may also have an aperture extending through the body portion. The aperture may have a cylindrical portion. Additionally, the aperture may have an annular groove formed in the cylindrical portion. The aperture may also have a tapered portion. The tapered portion may abut the cylindrical portion, and may taper toward the cylindrical portion.06-17-2010
20110198917Track Assembly With Symmetric Track Chain Link - A track chain link for use in an endless track chain has a longitudinal (or “x”) dimension and a lateral (or “y”) dimension. The track chain link has an x-y plane of symmetry about which the track chain link is symmetric.08-18-2011
20150361534STEEL FOR TRACKED UNDERCARRIAGE COMPONENT, AND TRACK LINK - A steel for a tracked undercarriage component is used as a material constituting a track link (12-17-2015
20160137240Track Pads and Track Assembly - A track pad for a machine having a track assembly. The track pad includes a body having top, bottom, first end, second end, and central portions. The track pad includes a ground engaging surface on the bottom, and first and second flat link engaging surfaces on the top. The first link engaging surface is disposed at the first end and the second link engaging surface is disposed at the second end. The track pad includes a lug protruding from the central portion between the first and second link engaging surfaces. The lug extends above the first and second link engaging surfaces so as to engage a drive wheel of the machine. A fastener hole is formed through the body between the first link engaging surface and the ground engaging surface, and a fastener hole is formed through the body between the second link engaging surface and the ground engaging surface.05-19-2016
20160185404EXPLOSIVELY DEPTH HARDENED CRAWLER SHOES - A method of making a crawler shoe for a mobile machine having a track assembly is disclosed. The method may include casting a crawler shoe from manganese steel, the crawler shoe having at least one wear surface that engages the track assembly. The method may further include solution treating the crawler shoe to form fully austenitic manganese steel, applying an explosive material to the at least one wear surface, and detonating the explosive material.06-30-2016
20160194039LINK ASSEMBLY FOR A TRACK07-07-2016
305202000 Separate transverse connector pin between treads 18
20080265667Bolt together machine track and method - A machine includes a bolt together track having sets of straight track links positioned in parallel and coupled via at least one pin. Retainer assemblies for the first and second sets of track links include at least one keeper engageable with the at least one pin and a keeper retainer configured to rotationally interlock with the track segment via threads, to inhibit disassembly of the keepers from the at least one pin. An assembly method for a machine track segment includes positioning first and second sets of track links on at least one pin, installing keepers on the at least one pin and inhibiting disassembly of the links by interlocking keeper retainers with the machine track segment, for instance rotationally interlocking the keeper retainers via external threads with threaded bores in the track links.10-30-2008
20090230763LINK FOR ENDLESS TRACK BELT - An object of the present invention is to provide an endless track link being able to reduce stress concentrations and to improve efficiency of an assembling process of the endless track link.09-17-2009
20090243384Track assembly having wear inhibiting contact members - A track assembly for a track-type machine is disclosed. The track assembly includes inner and outer track links. A rotatable bushing is positioned about a track pin and a sleeve bearing is positioned about the track pin. A first seal member is disposed between an inner track link and the rotatable bushing and a second seal member is disposed between inner and outer track links. A first thrust ring is engaged with the rotatable bushing and a second thrust ring is engaged with the sleeve bearing. A first contact member is engaged with the first seal member and a second contact member is engaged with the second seal member. The first and second contact members are configured to inhibit wear of the first and second seal members.10-01-2009
20100052418Sprocketed idler assembly - A sprocketed idler for a machine comprises a plurality of teeth radially disposed about an idler having a substantially circular cross section. Each of the plurality of teeth includes at least one tooth flank having a substantially uniform slope, wherein a distance between adjacent peaks of the plurality of teeth is between 30% and 90% of the distance between central axes of adjacent pin members of a track link that is engageable by the idler.03-04-2010
20110109154Bushing For A Track-Type Undercarriage - A bushing for use in a tracked undercarriage of a track-type machine includes a first end and a second end disposed opposite the first end. An outer surface extends between the first end and the second end and is shaped to engage a sprocket of the tracked undercarriage. The bushing also includes an annular inner surface disposed between the first end and the second end defining an internal cavity shaped to receive a track pin. An innermost portion of the inner surface forms a crown having a radius less than or equal to (PL05-12-2011
20110221266TRACKS FOR ALL-TERRAIN VEHICLES - A track for an all-terrain vehicle, and namely for an armored vehicle, comprising links hinged together so as to form a closed chain, each link carrying at least one body equipped with a track shoe intended to come into contact with the ground, track wherein it incorporates a row of median bodies that is arranged so as to be longitudinally offset with respect to the row of lateral bodies, each median body being thus positioned staggered between four lateral bodies, each median body being further hinged, by means of at least two parallel pins, to four lateral bodies, that is to say two lateral bodies from each lateral row, the pins being positioned at an equal distance from one another.09-15-2011
20130002011TRACK PIN RETENTION SYSTEM - A chain link for a track of a mobile machine includes a pin, and a retention ring coupled to the pin at a mechanical joint. A portion of the retention ring fills imperfections of the pin at the joint and the pin remains substantially metallurgically separate from the retention ring. The chain link also includes a first track link defining a hole having a step. The first track link is mounted on the pin such that the retention ring is disposed substantially within the step.01-03-2013
20140042802TRACK PIN RETENTION SYSTEM AND METHOD - The disclosure may provide a method of forming a track assembly. In the method, a track pin may be disposed within a first through hole of a first track link and within a second through hole of a second track link. A force may be applied to a tool positioned in a first position to plastically deform a first portion of the first track link which surrounds the first through hole, to thereby form a first connection between the track pin and the first track link. A force may be applied to the tool positioned in a second position to plastically deform a second portion of the first track link which surrounds the first through hole, to thereby form a second connection between the track pin and the first track link. The second connection may be formed after the first connection.02-13-2014
20140292068CRAWLER BELT LINK AND CRAWLER BELT APPARATUS - A crawler belt link includes a center portion, one end portion located on one end side of the center portion, and the other end portion located on the other end side of the center portion. In a second surface, the center portion has a first portion of a rail surface, the one end portion has a second portion of the rail surface, and the other end portion has a third portion of the rail surface. A first outer circumferential portion reaching the second portion of the rail surface is located closer to a second side portion with respect to a bushing hole surrounding portion. Accordingly, a crawler belt link and a crawler belt apparatus can be implemented, by which wear of the rail surface above a bushing hole can be suppressed while maintaining the width of the crawler belt link to be relatively small.10-02-2014
20150008730Variable Hardening Depth In Track Link For A Ground-Engaging Track - A track link for a ground-engaging track includes an elongate link body having a lower hardness material forming a lower mounting surface for mounting a track shoe, and a sacrificial higher hardness material forming an upper rail surface for contacting rotatable track engaging elements. The lower hardness and higher hardness materials transition at a material interface within the elongate link body, and the material interface is longitudinally non-uniform, such that the sacrificial higher hardness material has a varying depth from the upper rail surface to retard scalloping.01-08-2015
20150061374TRACK JOINT ASSEMBLIES - Disclosed are various exemplary embodiments of a track joint assembly. In one exemplary embodiment, the track joint assembly may include a first link having a first bore. The track joint assembly may also include a second link having a second bore. In addition, the track joint assembly may include a solid pin positioned at least partially within the first bore. The track joint assembly may also include a bushing positioned coaxially around the pin. The bushing may include an axial end portion disposed in the second bore. The second link may include a sealing portion surrounding an axial end of the axial end portion. The sealing portion may include material having a different wear resistance than material of another portion of the second link.03-05-2015
20150329156Elliptical Bore Pin Retention System - A machine tread including a first and second pair of plates. The plates have corresponding first ends and second ends, and the second ends of the first pair include elliptical bores with elliptical plate bearing surfaces. The first ends of the second pair include aligned bushing bores. The first ends of the second pair fit between the second ends of the first pair. Ends of a bushing including an inner bore with an interior surface and a cylindrical bearing surface engage the bushing bores forming a pin bore through the inner and elliptical bores. A retention pin fits in the segmented pin bore. The first pair has a tensioned position when a force acts in a direction away from the second pair. In the tensioned position, the elliptical plate bearing surfaces and the interior bushing surface abut the cylindrical bearing surface.11-19-2015
20150329157Cap and Pin Retention System - A machine tread including a first and second pair of plates. The plates have corresponding first ends and second ends, and the second ends of the first pair include outer bores. The first ends of the second pair include aligned bushing bores. The first ends of the second pair fit between the second ends of the first pair, aligning the outer and bushing bores. Ends of a bushing including an inner bore engage the bushing bores forming a pin bore through the inner and outer bores. A retention pin fits in the segmented pin bore. A head end abuts an external surface of the first pair of plates and a locking end extends past the pin bore. A retention cap engages the locking end. A dowel pin fits through a dowel pin bore in the retention cap and the locking end to limit movement of the retention pin.11-19-2015
20160023697Chain Link for a Crawler Drive - The present invention relates to a chain link for a crawler chain, wherein the chain link comprises at least two roller tracks extending in parallel, on whose running surfaces at least one track roller is movable during operation of the crawler, wherein the running surfaces of the at least two roller tracks are asymmetrical.01-28-2016
20160176454Seal Assembly for Track Pin Joint Assembly of Undercarriage06-23-2016
305203000 Including nonmetallic part or component 2
20100148576Linking pin for the chain links of vehicle tracks - The invention relates to a linking pin between the chain links of a vehicle track and the connectors of these links, such pin incorporating at least one ring of a synthetic material coating, positioned between the pin and at least one link, the pin incorporating at least two supports on either side of the ring, characterized in that it comprises at least one axial bore enclosing a material incorporating a liquid phase and enabling the calories that may build up in the ring to be evacuated towards the connectors.06-17-2010
20100270857TRACK SHOE ASSEMBLY FOR CONTINUOUS TRACK VEHICLES - An improved track shoe assembly for a continuous track vehicle. The track shoe assembly comprises a pin which is rotatable relative to a shoe of the track shoe assembly. The track shoe assembly comprises an elastomeric tube through which the pin extends, the elastomeric tube being rotatable with respect to one of the pin and the shoe and being fixed with respect to the other of the pin and the shoe.10-28-2010
305204000 Including additional locking member for retaining link connectors (e.g., pin connectors) 1
20140306517CRAWLER BELT COUPLING APPARATUS - In a crawler belt coupling apparatus, a first crawler belt link has a first through hole, and a first cutout in an inner circumferential surface of a first through hole. A master pin is inserted in the first through hole of the first crawler belt link, and has a second cutout in an outer circumferential surface thereof. A first recess is constructed of the first cutout and the second cutout, and has an opening at an end portion of the first through hole. A first knock pin is disposed such that one end surface thereof faces the opening. A first snap ring has a C-like shape, and is disposed to be separated from the one end surface of the first knock pin with a space therebetween or disposed in abutment with the one end surface.10-16-2014

Patent applications in all subclasses TRACKS OR TREADS

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