| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 305129000 | With roller support contacting lower track run | 74 |
| 20080217993 | Conformable track assembly for a robotic crawler - A suspension system for a lightweight robotic crawler is disclosed. The suspension system provides for mounting of a flexible endless track thereon. The suspension system includes a forward guide and a rearward guide around which the endless track can be looped. A deflector positioned between the forward guide and the rearward guide downwardly deflects a ground-engaging portion of the endless track to form a peaked area. The peaked area can support the lightweight robotic vehicle allowing alteration of a distribution of load over the ground-engaging portion of the endless track with respect to a supporting surface. | 09-11-2008 |
| 20080258550 | Hybrid Combination of Rubber Track with Road Wheels for a Vehicle - Described is a belt used in conjunction with road wheels device and method of supporting weight of hybrid tire tracking-laying vehicles more safely and efficiently at highway speeds. The supporting device includes belts | 10-23-2008 |
| 20100201185 | Conformable Track Assembly For A Robotic Crawler - A suspension system for a lightweight robotic crawler is disclosed. The suspension system provides for mounting of a flexible endless track thereon. The suspension system includes a forward guide and a rearward guide around which the endless track can be looped. A deflector positioned between the forward guide and the rearward guide downwardly deflects a ground-engaging portion of the endless track to form a peaked area. The peaked area can support the lightweight robotic vehicle allowing alteration of a distribution of load over the ground-engaging portion of the endless track with respect to a supporting surface. | 08-12-2010 |
| 20130154345 | Vehicle comprising a crawler track assembly - An agricultural vehicle includes comprises a crawler track assembly having a plurality of supporting rollers arranged one behind the other in the direction of travel of the vehicle and around which a belt is wrapped. The rollers are adjusted by way of an actuator between a first configuration, in which all supporting rollers are loaded, and a second configuration, in which at least one outer roller of the supporting rollers is relieved. An energy accumulator is charged by a drive energy source and connected to the actuator in order to provide the actuator with the drive energy required to adjust the configuration. | 06-20-2013 |
| 305130000 | With frame-mounted rollers | 7 |
| 20080211298 | DUAL MODE UNDERCARRIAGE FOR TRACKED VEHICLE - A vehicle with a frame connecting a driver wheel, an idler wheel and mid-roller wheels, an endless track belt being tensioned around the driver wheel and the idler wheel and being in contact with the mid-roller wheels on a lower run thereof, the mid-roller wheels being arranged in boogies, including a front boogie having a first pivot axis, a middle boogie and a rear boogie arranged in tandem having a second pivot axis, wherein the first pivot axis and said second pivot axis act as load transfer pivots. | 09-04-2008 |
| 20100253138 | ENDLESS TRACK SUSPENSION - An endless track suspension is comprised of a suspension support beam having an idler wheel assembly connected to a respective one of opposed ends thereof. At least one of the idler wheel assemblies has an endless track binding mechanism. Support wheels are secured to the suspension support beam and project from a lower face thereof. A drive sprocket is secured elevated above the suspension support beam by a support arm. The drive sprocket is secured to a vehicle drive axle by a coupling ring. The drive sprocket, the support wheels and idler wheels constitute an endless track support assembly for supporting an endless track in drivable engagement thereabout. A flexible connection of the drive sprocket support arm and the support wheels absorbs shocks and vibrations transmitted to the vehicle drive axle by the displacement of the endless track over a rough ground surface. | 10-07-2010 |
| 20100276990 | TRACK ASSEMBLY FOR AN ALL-TERRAIN VEHICLE (ATV) OR OTHER TRACKED VEHICLE - A track assembly for providing traction to an all-terrain vehicle (ATV) or other tracked vehicle. The track assembly may comprise a wheel device for contacting an inner side of an endless track such that a longitudinal end segment of the endless track turns around the wheel device. The wheel device allows a change in curvature of the longitudinal end segment of the endless track when the longitudinal end segment of the endless track contacts an obstacle on the ground. In some embodiments, the wheel device may comprise a resilient wheel that is elastically deformable. In other embodiments, the wheel device may comprise a wheel carrier carrying a plurality of carried wheels. | 11-04-2010 |
| 20140175864 | Track System with Adjustable Idler Wheels and Method of Using the Same - A track system for use as a wheel replacement on typically wheeled vehicle is disclosed. The track system comprises a drive wheel configured to be mounted to the vehicle, a support frame, front and rear idler wheels respectively pivotally mounted at the front and at the rear of the support frame, road wheels pivotally mounted along the support frame between the front and read idler wheels, and an endless track mounted about the wheels. The position of the front and/or rear idler wheels is adjustable in order to modify the overall shape of the perimeter of the track system generally defined by the endless track, thereby changing the riding behavior of the track system. A method to change the position of the adjustable idler wheels is also disclosed. | 06-26-2014 |
| 305131000 | Adjustable or movable frame | 3 |
| 20080211299 | Dynamically Changing Track Support for Tracked Vehicle - A dynamically changing track support for a tracked vehicle, includes a body with one or more track engaging wheels mounted for rotation to the body and extending above the top of the body and below the bottom of the body. At least two arms are provided. Each arm has a body engaging end and a track engaging end. The track engaging ends of the arm extends outwardly past the body. The body engaging end is pivotally secured to the body for pivotal movement about a substantially horizontal pivot axis. One or more track engaging wheels are mounted for concentric axial rotation about an axle positioned at the track engaging end of the each arm. Dynamically adjustment of the pivotal positioning of the arms relative to the body results in changes to track geometry while maintaining consistent tension. | 09-04-2008 |
| 20150008728 | DRIVE DEVICE FOR CRAWLER TRACK VEHICLE - A crawler track chassis is motivated by the reciprocating movement of hydraulic cylinder's piston rod. | 01-08-2015 |
| 20160075384 | VEHICLE TRACK ASSEMBLY - A vehicle track assembly includes a track framework including a frame structure, a drive drum, and a plurality of idler wheels supported by the frame structure. A drive track is arranged about and cooperatively engages the plurality of idler wheels and the drive drum. An adjustable ski is connected to the framework. The ski may extend forward of the track. An adjustable rearward extending ski may extend rearward of a track assembly. An indicator pole is coupled to the assembly to provide an indication of the angle of rotation of the assembly. | 03-17-2016 |
| 305132000 | With roller support mounted for movement individually or in pairs | 10 |
| 20090200861 | Track Tensioning System For Mobile Vehicles, Including Lift Cranes - A crawler has a track tensioning system. The crawler includes a crawler frame having a bottom; at least one drive tumbler supported on the frame; a track made of a plurality of connected track shoes and is wrapped around the drive tumbler so that a plurality of the shoes are in contact with the drive tumbler. The track tensioning system, mounted to the frame, includes a roller engaging the inside surface of the track; and a roller positioning structure attached to the frame that can raise the roller relative to the bottom of the frame to thereby increase the tension of the track. | 08-13-2009 |
| 20100244554 | RUNNING DEVICE FOR TRACK-LAYING VEHICLE - There is provided a running device for track-laying vehicle, which can resolve a feeling of fear of falling height in a leading end portion of a crawler while relax a large impact when the crawler runs over a raised contact area. The running device includes a spring constant equalizing unit that equalizes an apparent spring constant of a second arm of lower track roller bogie device over a total length. The apparent spring constant is generated in maximum reverse camber of the crawler. The spring constant equalizing unit increases an oscillation angle α of the second arm that can abut on the first arm in the maximum reverse camber of the crawler such that the oscillation angle α of the second arm is larger than a crossing angle β of the connecting link. Desirably the increased maximum oscillation angle of the second arm is 1.3-2.0 times the crossing angle β. | 09-30-2010 |
| 20120126611 | SUSPENSION UNIT - A suspension unit | 05-24-2012 |
| 20120169113 | TRACKED SYSTEM WITH VARIABLE GEOMETRY - A tracked system ( | 07-05-2012 |
| 20120274129 | Bogie Undercarriage Design With Rigidly Mounted Track Roller - An undercarriage is disclosed that may include a rigidly mounted roller near or adjacent to a rear drive sprocket. The remaining rollers and bogies may be flexibly suspended. | 11-01-2012 |
| 20120286565 | Independent Suspension Traction System for a Vehicle - A track system for use as wheel replacement on typically wheeled vehicles, such as all-terrain vehicles (ATV) or farming equipments, having more than four wheels, is disclosed. The track system described provides independent suspension elements for at least two traction wheels. | 11-15-2012 |
| 20150329155 | Deformable Guide Rail and Track System Comprising the Same - A guide rail configured to be mounted in a track system used to support and drive an endless track comprises at least one resilient deformable portion which is rigid enough to guide the track during normal operation of the track system but which is flexible enough to temporarily deform under the impact of hard or immovable obstacles. The at least one resilient deformable portion of the guide rail can be made thinner than the remaining of the guide rail, can be made of a material more flexible than the material of the remaining of the guide rail, or both. During operation of the vehicle on which the track system is mounted, the at least one resilient deformable portion of the guide rail will allow the track system to absorb at least some shocks and vibrations without transmitting them to the vehicle and its operator. | 11-19-2015 |
| 305133000 | Including individual roller mounted for movement at end of arm | 2 |
| 20100038960 | OMNI-DIRECTIONAL DRIVE DEVICE AND OMNI-DIRECTIONAL VEHICLE USING THE SAME - [Task] Provided is an omni-directional drive device that does not complicate the arrangement for a power source for a drive source such as an electric motor, and achieves a high durability and an ease of maintenance. | 02-18-2010 |
| 20110291472 | SUSPENSION UNIT - There is disclosed a suspension unit comprising a suspension hub having a connecting element which is arranged to be secured to a vehicle chassis and a suspension arm which is mounted on the suspension hub for pivoting movement about an axis of the suspension hub. A resilient arrangement is accommodated within the suspension arm and includes a displaceable element which is connected by a connecting rod to a crank pin supported by the suspension hub at a position spaced from the hub axis. A rotational damper acts between the suspension hub and the suspension arm and comprises a first damping part and a second damping part that are rotatable with respect to one another and which define a damping chamber therebetween which is arranged to contain a damping fluid. A fluid expansion chamber is provided which is arranged to contain excess damping fluid and which is in fluid communication with the damping chamber through a fluid passageway. In use, pivoting of the suspension arm about the suspension hub causes displacement of the displaceable element and relative rotation between the first and second damping parts, thereby generating a rotational damping force. | 12-01-2011 |
| 305134000 | Including walking beam or pivoting arm | 1 |
| 20100201186 | VEHICLE TRACK ASSEMBLY - A vehicle wheel assembly is provided which includes a vehicle frame having a first axle, a wheel assembly having a housing with an aperture engaging the first axle and enabling the wheel assembly to pivot in a first plane about a first axis formed by the first axle. A cylindrical member is carried by the housing of the wheel assembly, the cylindrical member and housing are arranged perpendicular to the first axle. A first wheel is pivotably connected to a first portion of the cylindrical member and a second wheel is pivotably connected to a second portion of the cylindrical member. The first wheel and second wheel independently pivot in a second plane about a second axis formed by the cylindrical member. The first axis is arranged perpendicular to the second axis and the first plane is arranged perpendicular to the second plane. | 08-12-2010 |
| 305135000 | With high drive arrangement | 4 |
| 20090033147 | Multiple Drive for Tracked Running Gear - The invention relates to a tracked running gear, in which two running gears are arranged parallel to one another and each running gear has a longitudinal member ( | 02-05-2009 |
| 20090267407 | TRACTION ASSEMBLY FOR A VEHICLE - This invention relates to a traction assembly for a vehicle which uses an endless traction band and a plurality of wheels for propulsion. The traction assembly pivots around a pivot point located under the traction axle of the vehicle. This pivot point is preferably longitudinally displaced in relation to such axle. | 10-29-2009 |
| 20090302676 | Track drive assembly - A track assembly having a drive sprocket capable of concentrically supporting several detachable drive rings containing drive teeth shaped to rotate without interfering with track support idler wheels, to provide a reduced center of gravity and substantially provide the same vehicle operating characteristic with tracks as with wheels. A track retainer guide member mounts along a peripheral edge of the track and overlies the track to resist track dislodgement. Independent and/or resiliently biased, rocker arms support track idler wheels to induce track flexion and conformance to encountered obstructions. | 12-10-2009 |
| 20130026819 | Track-Module Apparatus and Open Lightweight Drive Wheel Therefor - A vehicle track-module including an upper drive wheel, a plurality of idler and bogey wheels, and an endless rubber track with spaced lugs which extends around the wheels and is driven by the drive wheel, which has: a middle main plate with a outer edge of first diameter and inward and outward sides forming the exposed inward and outward surfaces of the drive wheel; drive members axially across and projecting radially beyond the main-plate edge to a second diameter, each drive member having axially inward and outward end portions, a middle portion affixed at its middle position to the main-plate edge, and an outer track-engaging surface; and a rigidity ring affixed to the inward end portions of the drive members and having an inner diameter no less than half the first diameter and an outer diameter no greater than the second diameter. In some embodiments, the axial dimension of the track-engaging surfaces of the drive members is at least 50% greater than the axial dimension of the track lugs. In some, the track module has preferably annular wheel-weights around the central portion of the drive wheel. | 01-31-2013 |
| 305136000 | Specific roller structure, per se | 28 |
| 20110121643 | Crawler Track Roller With Internal Spherical Spacers - A roller for supporting an endless track of a track laying tractor is mounted for rotation about a shaft or axle fixed between transversely spaced, parallel rails of a track support frame. The roller is constructed of mirror image halves having axially inner ends welded together, with a pair of thrust bushings being received on the shaft and respectively disposed in supporting relationship the roller halves. Each thrust bushing includes an axially outer end defined by an annular flange having an axially outwardly facing flat bearing surface. A pair of mounting brackets are respectively received on, and fixed to opposite ends of the shaft and fixed to the pair of rails of the support frame. Non-uniform edge loading of the bushings due to minor shaft deformations due to flexure of the track support frame rails is minimized by providing axially inwardly facing ends of the brackets with spherically contoured surfaces, and by locating an annular spacer between each bracket and bushing flat bearing surface, the annular spacer having outer and inner axially facing surfaces respectively shaped complimentary to the spherical contoured surface of the bracket and the flat bearing surface of the bushing | 05-26-2011 |
| 20120056473 | ROLLER WHEEL FOR TRACK-TYPE TRAVELLING VEHICLE - A roller wheel for a track-type travelling vehicle is disposed on a non-ground-engaging side of a track and supported by a vehicle body frame. The roller wheel includes a shaft, a roller assembly and a bearing. The shaft is supported by the vehicle body frame. The roller assembly is disposed on an outer periphery of the shaft. The bearing allows the roller assembly to be rotatably supported by the shaft therethrough. The roller assembly includes a tubular inner roller shell disposed closer to the vehicle body frame, and a tubular outer roller shell disposed outwards of the inner roller, the tubular outer roller shell being coupled to the inner roller shell by a straddle fitting structure. | 03-08-2012 |
| 20120153712 | TRACKED VEHICLE WHEEL - A road wheel for a tracked vehicle is provided with a circular mounting flange having a dished wall extending radially outwards and circumferentially therefrom, a peripheral rim having a first edge and a second edge with the rim connected to an outer edge of the dished wall at an intermediate region of the rim, and a first lip extending from the first edge. Another road wheel for a tracked vehicle is provided with a mounting flange, a peripheral rim, at least one inner dished wall, at least one outer dished wall offset from the inner dished wall along the flange, and at least two connector walls with each connector wall extending between the inner dished wall, outer dished wall, and the peripheral rim. | 06-21-2012 |
| 20120228926 | TRACK ASSEMBLY WHEEL - A method of modifying a track assembly wheel includes removing at least a portion of the wheel from the track assembly including a first disc, securing a second disc to the wheel on a first side of the first disc to create a modified track wheel, and replacing the modified track wheel on the track assembly such that the wheel engages a continuous track of the track assembly and an alignment mechanism of the track, the wheel being positioned such that a portion of the alignment mechanism is between the first disc and the second disc such that the first disc engages a first side of the portion of the alignment mechanism and the second disc engages a second side of the portion of the alignment mechanism. | 09-13-2012 |
| 20140001823 | DUAL DISK IDLER FOR A MACHINE UNDERCARRIAGE | 01-02-2014 |
| 20140001824 | IDLER FOR A MACHINE UNDERCARRIAGE | 01-02-2014 |
| 20140001825 | TRACK IDLER | 01-02-2014 |
| 20140091615 | IDLER WHEEL ASSEMBLY - An idler wheel assembly for a track-type machine includes a circular body. The circular body includes a central hub portion, an annular flange portion integral with the central hub portion, and a circumferential rim portion to define an annular cavity along with the central hub portion and the annular flange portion. A sound dampening coating provided on the circular body. | 04-03-2014 |
| 20140091616 | IDLER WHEEL ASSEMBLY - An idler wheel assembly for a track-type machine includes a circular body, and a sound dampening member. The circular body includes a central hub portion, an annular flange portion integral with the central hub portion, and a circumferential rim portion to define an annular cavity along with the central hub portion and the annular flange portion. The sound dampening member disposed in the annular cavity and a retainer plate positioned adjacent to the sound dampening member. | 04-03-2014 |
| 20150008729 | ROLLER DEVICE FOR TRACK-TYPE WORK VEHICLE - A roller device includes a shaft, a bushing, a roller shell, a retainer, and a seal. The roller shell is fitted over the outer circumference of the bushing. The retainer is fixed detachably to an end of the bushing, and fitted in an end of the roller shell on a radially outer side. The seal is disposed on the outer circumference of the shaft so as to seal a gap between the shaft and the bushing. The seal includes a first seal member attached to the bushing and a second seal member attached to the shaft. The first seal member is rotatable relative to the second seal member. The second seal member has an outer circumferential end disposed on an inner side with respect to an inner circumferential end of the retainer. | 01-08-2015 |
| 20160031500 | SYSTEM INCLUDING A WHEEL AND A REPLACEABLE WEAR PAD - A system. The system includes a wheel, a plurality of carrier members and a plurality of wear pads. Each of the plurality of carrier members are removably connected to the wheel. Each carrier member has at least one of the wear pads connected thereto. | 02-04-2016 |
| 20180022409 | MID-ROLLER WITH REDUCED-FRICTION GUIDE | 01-25-2018 |
| 305137000 | Including structure to engage track (e.g., wear surface, cushion) | 16 |
| 20100102623 | TRACK IDLER WITH REPLACEABLE WEAR PADS - An idler for use with an endless track of a track-type vehicle comprises a wheel and a rim. The rim comprises fasteners and replaceable wear pads releasably mounted to and positioned about the periphery of the wheel using the fasteners. | 04-29-2010 |
| 20100133898 | Sound Reduce Segmented Idler For Track-Type Vehicles - An idler having an axis of rotation. The idler may include a hub with a flange. A plurality of rim members are positioned along a perimeter of the flange and have generally axially facing, opposite side surfaces. At least one of the side surfaces has a first interlocking formation. A clamping plate is connected to the flange. The clamping plate has a second interlocking formation coupled with the first interlocking formation. A dampening member interposes the first and second interlocking formations. | 06-03-2010 |
| 20100141026 | Isolated center tread rim idler - An isolated center tread rim idler is disclosed. The isolated center tread rim idler includes an idler body, and a circular rim including a radially outer portion configured to engage track bushings of a track assembly. The circular rim also includes a radially inner portion of less width than the radially outer portion. The radially inner portion is configured to cooperate with an outer circumferential surface of the idler body. The circular rim includes a curved transition portion between the radially outer portion and the radially inner portion. A resilient ring engages the curved transition portion. A side plate is fastened to a side of the idler body, and the side plate includes a portion engaging the resilient ring. | 06-10-2010 |
| 20110006597 | Machine 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. | 01-13-2011 |
| 20120001478 | WHEEL OF A TRACK ASSEMBLY OF A TRACKED VEHICLE - A wheel for a track assembly of a tracked vehicle, such as, for example, an all-terrain vehicle (ATV), a snowmobile, a construction vehicle or an agricultural vehicle. The wheel in use is one of a plurality of wheels of the track assembly. The track assembly comprises an endless track disposed around the plurality of wheels, comprising an inner side for facing the plurality of wheels and a ground-engaging outer side for engaging the ground. The wheel comprises a wheel body comprising a hub portion, a rim portion, and a radially-extending portion between the hub portion and the rim portion. The wheel also comprises a covering on the body. The covering in use contacts the endless track's inner side. A material of the covering is different from a material of the wheel body. The wheel body and the covering may be mechanically interlocked. The covering may comprise a peripheral portion covering at least part of a peripheral side of the wheel body and a lateral portion covering at least part of a lateral side of the wheel body. | 01-05-2012 |
| 20120153713 | Rotatable Idler For Undercarriage System In A Track-Type Machine - An undercarriage system for a track-type machine includes a ground engaging track, and an idler for the ground engaging track having a hub formed of a relatively lower hardness metallic material, and a compound annular rim capping the hub and being formed of a relatively higher hardness metallic material. The hub includes a radially projecting outer spine, which is annular and concentric with an idler mounting bore defined by an inner peripheral surface of the hub. First and second rim components of the compound annular rim abut one another and sandwich the radially projecting outer spine. Each of the first and second abutting rim components includes a stepped profile. The idler may include a remanufactured idler having a reusable hub and replacement compound annular rim. | 06-21-2012 |
| 20120153714 | Compound Rim Assembly For Idler In An Undercarriage System Of A Track-Type Machine - A compound rim assembly for a rotatable idler in an undercarriage system of a track-type machine includes a one-piece annular base configured for mounting the compound annular rim assembly upon an outer peripheral surface of an idler hub. The one-piece annular base is formed of a relatively lower hardness metallic material, and the compound rim assembly further includes a first annular track contacting rim a second annular track contacting rim positioned upon the one-piece base and being formed of a relatively higher hardness metallic material. The compound rim assembly further includes a track guiding ring trapped axially between the first and second annular track contacting rims and abutting the outer cylindrical surface of the one-piece annular base, the track guiding ring being formed of a non-metallic material and projecting radially outward of the first and second annular track contacting rims. | 06-21-2012 |
| 20120193977 | Machine 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 |
| 20120193978 | Machine 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 |
| 20140001826 | ROLLER FOR A MACHINE UNDERCARRIAGE | 01-02-2014 |
| 20140001827 | UNDERCARRIAGE ASSEMBLY | 01-02-2014 |
| 20140001828 | UNDERCARRIAGE GUIDING ASSEMBLY | 01-02-2014 |
| 20140070603 | 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. | 03-13-2014 |
| 20140103703 | NON-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. | 04-17-2014 |
| 20150321710 | TRACK ASSEMBLY FOR AN OFF-ROAD VEHICLE - A track assembly for traction of a tracked vehicle, such as an agricultural vehicle, an industrial vehicle (e.g., a construction vehicle) or a military vehicle, is provided. The track assembly comprises a plurality of wheels which comprises a drive wheel and a plurality of roller wheels, as well as an elastomeric endless track disposed around the plurality of wheels for engaging the ground. A roller wheel may comprise a wheel body and a covering on the wheel body. The covering may comprise a lateral portion dimensioned to contact a drive/guide lug of the track. The roller wheels and the track may implement a self-alignment system of the track assembly. The track assembly may comprise a cooling system for transferring heat away from a roller wheel. The track assembly may comprise a lateral motion mechanism allowing a roller wheel to move widthwise in response to a side load. | 11-12-2015 |
| 20150344088 | ARTICULATING TRACK SYSTEM - A track pad of an articulating track system for a machine is disclosed. The track pad includes a ground engaging portion and a body portion. The ground engaging portion includes a ground engaging surface that engages the ground during operation of the machine. The body portion extends from the ground engaging portion in a direction opposite the ground engaging surface. The body portion includes a roller engaging surface distal to the ground engaging surface. The roller engaging surface is a convex surface that matches the curvature of a roller surface for a roller of the machine. | 12-03-2015 |
| 305138000 | With roller mounting means | 2 |
| 20110309672 | Pin for Use in Track Rollers and Bogie Assemblies - A pin for use in a track roller or bogie assembly comprises an outboard facing end, an inboard facing end having an aperture, a cylindrically-shaped external surface extending from the outboard facing end to the inboard facing end, and an inner surface extending inwardly from the aperture of the inboard facing end toward the outboard facing end and defining a cavity within the pin. The inner surface of the pin includes a groove disposed proximate the inboard facing end into which an outer surface of a resilient stopper expands to increase the pressure resistance of the pin and stopper to stopper being pushed or pulled from the pin. | 12-22-2011 |
| 20150336624 | TRACK WHEEL WITH DIVISION OF WORK BETWEEN TRACK AND CHAIN, METHODS FOR FITTING PITCH RAILS TO FLEXIBLE CHAIN AND FOR BUFFERING PRE-STRESS, AND OPEN-CLOSE TYPE WHEEL AXLE - The present invention relates to a caterpillar track wheel with division of work between track and chain, methods for fitting unit track with flexible chain ring, methods for buffering prestress, and an open-dose type axle housing. Since a structure that each unit track is separated from a flexible chain ring is adopted, the thickness of the unit tracks does not influence the winding stress of the flexible chain ring and the unit tracks without thickness limitation can effectively disperse stress from the ground to more supporting wheels. Since the thinner flexible chain ring is only responsible for serially connecting the unit tracks and transmitting power, the winding stress and the tension change are reduced. | 11-26-2015 |
| 305141000 | With vertically movable wheel support | 2 |
| 20110037312 | LEVERED CENTERPOINT SUSPENSION FOR A CATEPILLAR DRIVE - A levered centerpoint suspension of a caterpillar drive comprises a pendulum arm, coupled to a frame via an elastic element, and an internal pivot pin geometrically coinciding with the rotational axis of a driving shaft of the drive. A balancing lever provided with track guiding wheels and/or track wheels and/or track slide guides is connected to the pendulum arm so that is capable of swinging thereon. The driving shaft with traction wheels rotates about the axis, and the pendulum arm's socket is swingable about the driving shaft. In an embodiment, the pendulum arm has a fork-like shape, whereas the balancing lever is H-shaped and comprises two longitudinal girders interconnected by means of a crossbar. The balancing lever is disposed between the pendulum arm blades and is connected to the pendulum arm, as to swing on a transverse axis. The suspension allows for improving the caterpillar drive's compactness. | 02-17-2011 |
| 20120212045 | STEERABLE TRACK SYSTEM - A steerable track system for steering a vehicle with a main frame and a track includes an undercarriage with pivoting links connected to the main frame; a bendable flexible track to provide a vehicle-surface interface for propelling the vehicle; a plurality of idler wheels which engage the track and are connected to the undercarriage; and a plurality of bogie wheels which engage the track and are connected to the undercarriage. | 08-23-2012 |
| 305142000 | With plural wheel support | 17 |
| 20100270856 | CRAWLER-TYPE TRAVEL DEVICE AND ROTATIONAL WHEEL ASSEMBLY - The crawler-type travel device includes a plurality of shoe plates, a first link section, a rotational wheel, and a shaft. The rotational wheel includes a first roller and a second roller. The first roller makes contact with first end portions corresponding to axial outer ends of the first link members forming the first link section. The second roller is aligned with and disposed on the axial inner side of the first roller. The second roller is rotatable independently from the first roller. The second roller makes contact with second end portions corresponding to axial inner ends of the first link members. | 10-28-2010 |
| 20110169324 | RUBBER CRAWLER AND CRAWLER-TYPE TRAVELING BODY - A rubber crawler which includes: a rubber crawler body having an endless belt shape and which has a left-right pair of rolling wheel passing surfaces on the inner circumferential surface thereof; a steel cord layer in which a plurality of steel cords extending in the crawler circumference direction are embedded in the rubber crawler body so as to be arranged in the crawler width direction, and a plurality of bias reinforcing layers that are disposed on the outer circumferential side of this steel cord layer in the rubber crawler body, in which the left-right pair of rolling wheel passing surfaces are disposed on the inner circumferential surface of the rubber crawler body at positions corresponding to the respective end portions in the crawler width direction of the steel cord layer and the plurality of bias reinforcing layers; the rubber crawler further includes: a rubber layer disposed between an innermost reinforcing layer that is positioned on the innermost side of the plurality of bias reinforcing layers and the steel cord layer, at least at positions corresponding to the end portions of the innermost reinforcing layer in the crawler width direction. | 07-14-2011 |
| 20110260527 | Traction Assembly - 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. | 10-27-2011 |
| 20120242141 | TRACTION ASSEMBLY FOR VEHICLE - The present invention generally provides a wheel replacing traction assembly which uses, for propulsion, a longitudinally extending traction band disposed around and cooperating with a sprocket wheel, a supporting structure, and idler and/or road wheels. The supporting structure of the traction assembly comprises an independent suspension generally replacing the suspension of the vehicle. In use, the suspension of the vehicle is replaced by a rigid member that can be adjustable in length in a further embodiment. The presence of a suspension in the supporting structure of the traction assembly decreases its unsprung mass. | 09-27-2012 |
| 20120242142 | Track Assembly for Traction of a Vehicle - 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. | 09-27-2012 |
| 20130187444 | 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. | 07-25-2013 |
| 20130342006 | TRACKED RUNNING GEAR - A tracked running gear includes a drive sprocket having two sides and laterally projecting tooth profiles on both sides; a guide wheel, at least one track roller, at least one support roller, and an endless chain formed by ground plates interconnected in an articulated manner. The ground plates have vertically extending parallel teeth which engage the tooth profiles on both sides of the drive sprocket as the ground plates are diverted around the drive sprocket. The ground plates also include a first running surface having a substantially rectilinear form between the teeth for engaging the track roller and support roller, and second running surfaces having a curved form and arranged on opposite sides of the first running surface and between the teeth for engagement with the guide wheel and the drive sprocket. | 12-26-2013 |
| 20140103704 | ENDLESS TRACK FOR TRACTION OF AN OFF-ROAD VEHICLE SUCH AS AN ALL-TERRAIN VEHICLE (ATV) OR A SNOWMOBILE - An endless track for traction of an off-road vehicle, such as an all-terrain vehicle (ATV) or a snowmobile. The endless track comprises an inner side for facing track-contacting wheels around which it is mountable and a ground-engaging outer side for engaging the ground. The ground-engaging outer side comprises a plurality of traction projections distributed along a longitudinal direction of the endless track. The traction projections may be designed to control rigidity characteristics, such as a longitudinal rigidity and a widthwise rigidity, of the endless track, while maintaining a weight of the endless track relatively low. | 04-17-2014 |
| 20140152086 | UNDERCARRIAGE TRACK LINK - A track link is disclosed for use with an undercarriage of a machine. The track link may have a body with a first surface and a second surface opposite the first surface. The track link may also have a shoe face extending between the first and second surfaces at a side of the body, and a roller rail extending between the first and second surfaces at a side of the body opposite the shoe face, The body may have a substantially uniform hardness of about 45 to 55 Rkw C between the shoe face and the roller rail. | 06-05-2014 |
| 20150291235 | TRACK ASSEMBLY FOR AN ALL-TERRAIN VEHICLE (ATV) OR OTHER TRACKED VEHICLE - A track assembly for providing traction to an all-terrain vehicle (ATV) or other tracked vehicle. The track assembly may comprise a wheel device for contacting an inner side of an endless track such that a longitudinal end segment of the endless track turns around the wheel device. The wheel device allows a change in curvature of the longitudinal end segment of the endless track when the longitudinal end segment of the endless track contacts an obstacle on the ground. In some embodiments, the wheel device may comprise a resilient wheel that is elastically deformable. In other embodiments, the wheel device may comprise a wheel carrier carrying a plurality of carried wheels. | 10-15-2015 |
| 20150321711 | PIN ASSEMBLY FOR A TRACKED WORK VEHICLE SUSPENSION SYSTEM - An undercarriage for a tracked work vehicle is provided that includes a roller wheel beam. The roller wheel beam includes a clevis having a first arm and a second arm. Additionally, the first arm includes a first opening, and the second arm includes a second opening. The undercarriage further includes a bushing mount which has a third opening and is configured to be disposed between the first arm and the second arm. Also, the undercarriage includes a pin assembly configured to couple the roller wheel beam to the bushing mount. Moreover, the pin assembly includes a first pin configured to be inserted into the first opening and a first end of the third opening. The pin assembly also includes a second pin configured to be inserted into the second opening and a second end of the third opening. Furthermore, the first pin is configured to abut the second pin when the first pin and the second pin are inserted into respective openings. | 11-12-2015 |
| 20150344087 | TRACK ASSEMBLY FOR AN OFF-ROAD VEHICLE - A track assembly for traction of an off-road vehicle, the track assembly comprising a set of wheels and an endless track disposed around the set of wheels. The endless track comprises elastomeric material to flex around the set of wheels. The endless track comprises a plurality of drive/guide lugs projecting inwardly. The set of wheels comprises a drive wheel for imparting motion to the endless track. The set of wheels may comprise a first plurality of roller wheels for rolling on a first rolling path of the inner side and a second plurality of roller wheels for rolling on a second rolling path of the inner side such that the drive/guide lugs are located between the first rolling path and the second rolling path, as well as a third plurality of roller wheels for rolling on top of the drive/guide lugs. | 12-03-2015 |
| 20160052569 | TRACK DRIVE - Provided is a track drive for outdoor power equipment including a support frame and a drive axle configured to attach to an associated drive hub. A hub bearing is mounted on the drive axle and the support frame enabling the drive axle to rotate relative to the support frame. A drive sprocket is attached to the drive axle and includes an interior half sprocket and an exterior half sprocket. The half sprockets are located on either side of the support frame. Drive teeth are spaced radially about the drive sprocket. The drive sprocket is movably engaged with an endless track to transmit force to rotate the endless track and propel the outdoor power equipment. A kit for adding or replacing a track drive of outdoor power equipment is also provided. | 02-25-2016 |
| 20160052570 | TRACK ASSEMBLY HAVING DUAL-SPROCKET DRIVE WHEEL - A track assembly is disclosed for use with a mobile machine. The track assembly may have a plurality of crawler shoes. Each of the plurality of crawler shoes may include a ground engaging surface and first and second pairs of links laterally spaced apart on a side opposite the ground engaging surface. The track assembly may also have a first pin connecting the first pair of links of each of the plurality of crawler shoes to form a first continuous chain, and a second pin connecting the second pair of links of each of the plurality of crawler shoes to form a second continuous chain. The track assembly may further have a drive wheel having dual sprockets configured to simultaneously engage the first and second continuous chains. | 02-25-2016 |
| 20160052571 | TRACK ASSEMBLY HAVING ARCUATE CRAWLER SHOES - A crawler shoe is disclosed for use with a mobile machine having a track assembly with a sprocket. The crawler shoe may have a ground engaging surface, and laterally spaced-apart links connected at a side opposite the ground engaging surface. The laterally spaced-apart links may each have an arcuate wear surface configured to provide hub support against bearing forces of the sprocket, and at least one bore configured to receive a pin that transfers tractive forces from the sprocket to the plate. | 02-25-2016 |
| 20160137239 | Crown for a Link in a Ground Engaging Track System - The disclosure relates to a system and method for a link for a track chain in a ground-engaging track system. The link has an elongate link body including a first and a second crown. The elongate link body includes a shoe surface and a rail surface. The shoe surface is configured to contact a track shoe coupled to the elongate link body. The rail surface is opposite the shoe surface and has a first end section, a middle section, and a second end section. The first and second crowns on the rail surface each define a convex portion of the rail surface. The first crown is positioned on the first end section and the second crown is positioned on the second end section. The first and second crowns are configured to delay scallop formation in the rail surface. | 05-19-2016 |
| 20180022408 | TRACK SYSTEM | 01-25-2018 |
