| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 305100000 | WITH MEANS TO REMOVE OR EXCLUDE FOREIGN MATTER (E.G., SEAL, SCRAPER) | 51 |
| 20110254363 | TRACK ASSEMBLY FOR A MOTORIZED VEHICLE - A track assembly for a motorized vehicle having wheels comprises a longitudinal endless track belt; a mounting structure to mount the longitudinal endless track belt to the vehicle; and inner wheels in contact with an inner surface of the track belt. The mounting structure includes driving gears disposed externally to the track belt and configured to frictionally engaged an outer surface of one of the motorized vehicle wheels. The driving gears are drivingly connected with the track belt for transmitting power thereto. Each one of the driving gears has a rotation axis, a plurality of elongated traction bars extending substantially parallel and circumferentially to the rotation axis, and apertured ends. The elongated traction bars are spaced-apart from one another and define therebetween channels allowing granular and liquid materials to flow inwardly towards the rotation axis, and outwardly of the driving gears through the apertured ends. | 10-20-2011 |
| 20110254364 | SEAL ASSEMBLY FOR TRACK PIN JOINT ASSEMBLY - A seal assembly can be incorporated into a track pin joint assembly including a pin defining a longitudinal axis, a first member and a second member both coaxial with the pin about the longitudinal axis. The first member is pivotable about the longitudinal axis with respect to the second member and includes a load ring engagement surface defining, at least in part, an axially-extending seal cavity disposed in proximal relationship to the second member. A seal assembly including a seal ring and a load ring is disposed in the seal cavity and sealingly engages the first member and the second member. At least one of a load ring engagement surface of the first member and an axial segment of a first member engagement surface of the load ring includes a convex rounded portion extending over at least half the axial length thereof. | 10-20-2011 |
| 20120104840 | TRACK ASSEMBLY FOR PROVIDING TRACTION TO AN OFF-ROAD VEHICLE SUCH AS AN ALL-TERRAIN VEHICLE (ATV) OR A SNOWMOBILE - A track assembly for traction of an off-road vehicle, such as an all-terrain vehicle (ATV) or a snowmobile, is disclosed. The track assembly comprises a plurality of track-contacting wheels, which comprises: a drive wheel; and a plurality of idler wheels spaced apart in a longitudinal direction of the track assembly. The track assembly also comprises an endless track disposed around the track-contacting wheels. A frame of the track assembly may comprise a hollow frame structure. The hollow frame structure may be dimensioned to impede accumulation of snow, mud, rocks, debris, etc. in the track assembly. The track assembly may comprise interwheel guides between longitudinally adjacent ones of the idler wheels to contact a bottom run of the endless track, and/or fenders adjacent to given ones of the idler wheels. The frame's hollowness, the interwheel guides, and/or the fenders may be realized during molding of a portion of the frame using a blow molding or other fluid-based molding process. | 05-03-2012 |
| 20120146397 | ROLLER UNIT - [Subject] A roller unit is provided which is improved in the service life of the seal as well as in the ease of unit assemblability. | 06-14-2012 |
| 20120161509 | SEAL ASSEMBLY - A seal assembly | 06-28-2012 |
| 20130264862 | SEAL ARRANGEMENT AND HINGE OF A CHAIN WITH THE SEAL ARRANGEMENT - A sealing arrangement used to create a seal between a first part of a chain and a second part of the chain, wherein the second part can at least be pivoted in relation to the first part, includes a sealing ring with an annular sealing lip for sealing a lubricant area between parts which can be pivoted towards each other, and an elastic ring which is adapted to be fixed to one of the parts and which is adapted to exert pressure in the sealing ring. In addition, a supporting ring is arranged between the sealing ring and the elastic ring. | 10-10-2013 |
| 20130320752 | LUBRICATING OIL MONITORING AND MAINTENANCE CAP AND METHODS OF INSTALLATION - A roller for a tracked vehicle has a lubricating oil reservoir and an open end to the lubricating oil reservoir. The open end of the roller is closed by a cap removably coupled to the open end. The cap consists of a sealing body having an outer side facing away from the open end, an opposed inner side facing toward the open end, and a standoff structure formed in the inner side. A compressible gasket is applied between the inner side of the cap and the open end and is under a compression between the inner side of the cap and the open end of the roller forming a fluid-impervious seal between the cap and the open end of the roller. The standoff structure of the cap interacts between the cap and the open end holding the cap away from the open end limiting the compression of the gasket. | 12-05-2013 |
| 20140125116 | Seal Packing Guard for Rotating Components - A seal packing guard is provided in a roller assembly of a machine, such as a track carrier roller of a track-type undercarriage. The roller assembly includes a roller mounted on a shaft and having a seal retaining lubricant between the roller and the shaft. A collar and an inner surface of the roller form a seal cavity placing the seal in fluid communication with an ambient atmosphere surrounding the roller. The seal packing guard is attached to an outward surface of the roller and extends over an opening into the seal cavity to reduce the amount of abrasive material entering the seal cavity and potentially compromising the integrity of the seal. | 05-08-2014 |
| 20140125117 | Roller Collar Configured to Reduce Seal Packing - A roller collar is provided in a roller assembly of a machine, such as a track carrier roller of a track-type undercarriage. The roller assembly includes a roller mounted on a shaft and having a seal retaining lubricant between the roller and the shaft. The collar and an inner surface of the roller form a seal cavity placing the seal in fluid communication with an ambient atmosphere surrounding the roller. The extends over an opening into the seal cavity, such as with an outwardly extending flange or teeth or with outer surface configured to increase a distance to be traveled to enter the seal cavity, to reduce the amount of abrasive material entering the seal cavity and potentially compromising the integrity of the seal. | 05-08-2014 |
| 20150061368 | Seal Assembly for Track Pin Joint Assembly of Undercarriage - A seal assembly can be incorporated into a track pin joint assembly including a pin defining a longitudinal axis, a first member and a second member both coaxial with the pin about the longitudinal axis. The first member is pivotable about the longitudinal axis with respect to the second member and includes a load ring engagement surface defining, at least in part, an axially-extending seal cavity disposed in proximal relationship to the second member. A seal assembly including a seal ring and a load ring is disposed in the seal cavity and sealingly engages the first member and the second member. The load ring includes a main body and a neck having a neck perimeter with a first sealing blade disposed along the neck perimeter and comprising an outwardly-extending projection. The first sealing blade is adapted to sealingly engage one of the seal ring and the first member. | 03-05-2015 |
| 20150314817 | Road Wheel - The presently claimed invention relates to a road wheel comprising a mounting disc, a dish-shaped transitional wall having an outer edge, a rim with an annular cylindrical wall attached along a first rim edge to the outer edge of the transitional wall, and a stiffening flange attached to the rim along a second rim edge opposite the first rim edge wherein the flange provides radial support to the second rim edge of the cylindrical wall to resist deflection. | 11-05-2015 |
| 20160023694 | TRACK SYSTEM FOR AN ALL-WHEEL DRIVE VEHICLE - The track system includes a plurality of track assemblies, each having track; a frame structure to mount the track to the vehicle; and inner wheels in contact with an inner surface of the track. The track assembly also includes two drive gears disposed externally to the track and configured to frictionally engaged an outer surface of a corresponding one of the tires. The drive gears are drivingly connected with the track for transmitting power thereto. Each one of the drive gears has a rotation axis, a plurality of elongated traction bars extending substantially parallel and circumferentially to the rotation axis, and open ends. The elongated traction bars are spaced-apart from one another and define channels therebetween allowing granular and liquid materials to flow inwardly towards the rotation axis, and outwardly of the drive gears through the apertured ends. | 01-28-2016 |
| 20160075386 | TRACK ASSEMBLY FOR PROVIDING TRACTION TO AN OFF-ROAD VEHICLE SUCH AS AN ALL-TERRAIN VEHICLE (ATV) OR A SNOWMOBILE - A track assembly for traction of an off-road vehicle, such as an all-terrain vehicle (ATV) or a snowmobile, is disclosed. The track assembly comprises a plurality of track-contacting wheels, which comprises: a drive wheel; and a plurality of idler wheels spaced apart in a longitudinal direction of the track assembly. The track assembly also comprises an endless track disposed around the track-contacting wheels. A frame of the track assembly may comprise a hollow frame structure. The hollow frame structure may be dimensioned to impede accumulation of snow, mud, rocks, debris, etc. in the track assembly. The track assembly may comprise interwheel guides between longitudinally adjacent ones of the idler wheels to contact a bottom run of the endless track, and/or fenders adjacent to given ones of the idler wheels. The frame's hollowness, the interwheel guides, and/or the fenders may be realized during molding of a portion of the frame using a blow molding or other fluid-based molding process. | 03-17-2016 |
| 20160129955 | TRUCK TRACK DRIVE - A truck track drive can include two rollers. The truck track drive can also include a tread configured to pass over top and bottom of a dual rear wheel assembly on a truck and to be moved by rotation of the dual rear wheels. The track drive can also include a compulsory drive unit. | 05-12-2016 |
| 20160129956 | TRUCK TRACK DRIVE - A truck track drive can include two rollers. The truck track drive can also include a tread configured to pass over top and bottom of a dual rear wheel assembly on a truck and to be moved by rotation of the dual rear wheels. The track drive can also include a compulsory drive unit. | 05-12-2016 |
| 305103000 | With end seal between bushing and track link | 24 |
| 20080231110 | Track Chain Joint With Radial Seal Unit - An endless track chain device, comprises first and second links and a track chain joint. The track chain joint comprises a radial seal unit that inhibits ingress of debris between a bushing of the joint and the second link into a region between a pin of the joint and the bushing. | 09-25-2008 |
| 20100148572 | SEALING ASSEMBLY AND HINGE OF TRACK HAVING THE SEALING ASSEMBLY - A sealing assembly for sealing between a first portion ( | 06-17-2010 |
| 20120119567 | Cartridge Seal for Track Chain Bushing - A cartridge for a track chain used to propel a track machine is disclosed. The cartridge includes a pin that passes axially through a bushing. The bushing may include two opposing ends and a cylindrical outer surface extending between the opposing ends of the bushing. Each end of the bushing includes an annular seal pocket for accommodating a seal and an annular step groove for coupling each end of the bushing to an inner track link. The bushing may be axially disposed between two inserts and the seals are track seals that engage one of the inserts. The inserts may be axially disposed between two collars and the collars are coupled to the pin. The collars may also include annular seal pockets that accommodate track seals. | 05-17-2012 |
| 20120267947 | Twin Bushing Track Chain Cartridge - A cartridge assembly for a track chain is disclosed. The cartridge assembly includes a pin that has a lubricant channel therein. The pin is accommodated in an inner bushing that also has a channel extending therethrough for accommodating the pin. The pin extends beyond either end of the inner bushing. The pin and inner bushing are partially disposed in an outer bushing that also has a channel for accommodating the pin in inner bushing. The ends of the inner bushing and pin extend beyond the ends of the outer bushing. First and second inserts are disposed at either end of the inner bushing. The first and second inserts are disposed between the outer bushing and a pair of opposing collars which are disposed on the ends of the pin beyond the inserts and beyond the ends of the inner bushing. The inserts and collars each include seals. The seals of the collars are supported by one or more thrust rings as opposed to the inserts or partially by the inserts. | 10-25-2012 |
| 20130169034 | CRAWLER BUSHING AND CRAWLER LINK DEVICE - To provide a crawler bushing and a crawler link device that can maintain a sealing function stably on a long-term basis and permits easy maintenance for recovery of the sealing function. The bushing includes; crawler bushing body (31) including large-diameter cylindrical part (31 | 07-04-2013 |
| 20130200688 | SEALING ASSEMBLY AND HINGE OF A TRACK HAVING THE SEALING ASSEMBLY - A sealing assembly is disposed so as to provide a sealing function between two parts of a track that are movable relative to each other. The sealing assembly includes an elastic ring having a radially-encircling sealing lip that fixedly and sealingly abuts on a first part of the track. The sealing assembly also includes a support ring that is rotatable relative to a sealing ring having a sealing edge. The support ring has a slip surface, on which the sealing edge sealingly abuts. | 08-08-2013 |
| 20130241277 | TRACK MEMBER FOR A TRACK OF A TRACKED VEHICLE - A track member for a track of a vehicle of the tracked type, which comprises a pin, a bushing associated with and rotatable relative to the pin, and first and second inner and outer track link assemblies associated with and rotatable relative to the pin, and arranged on opposite sides of the bushing. The first inner track link assembly is arranged between the first outer track link assembly and the bushing, and the second inner track assembly is arranged between the second outer track link assembly and the bushing. The first and second inner track assemblies each include a ring rotatable relative to the pin. The track member further includes first and second inner and outer gasket seats which house respective gaskets. The inner and outer gaskets are orientated so that they act against side surfaces of the rings. | 09-19-2013 |
| 20140210254 | TWIN BUSHING TRACK CHAIN CARTRIDGE - A cartridge assembly for a track chain is disclosed. The cartridge assembly includes a pin that has a lubricant channel therein. The pin is accommodated in an inner bushing that also has a channel extending therethrough for accommodating the pin. The pin extends beyond either end of the inner bushing. The pin and inner bushing are partially disposed in an outer bushing that also has a channel for accommodating the pin in inner bushing. The ends of the inner bushing and pin extend beyond the ends of the outer bushing. First and second inserts are disposed at either end of the inner bushing. The first and second inserts are disposed between the outer bushing and a pair of opposing collars which are disposed on the ends of the pin beyond the inserts and beyond the ends of the inner bushing. The inserts and collars each include seals. The seals of the collars are supported by one or more thrust rings as opposed to the inserts or partially by the inserts. | 07-31-2014 |
| 20150061369 | TRACK JOINT ASSEMBLIES AND THRUST RINGS FOR SAME - Disclosed are various exemplary embodiments of a thrust ring for a track joint assembly. In one exemplary embodiment, the thrust ring may include a generally cylindrical outer surface. The thrust ring may also include a generally cylindrical inner surface including at least one protrusion extending toward a central axis of the thrust ring. | 03-05-2015 |
| 20160090135 | Greased Hydraulic Excavator Track Seal Assembly - An example track assembly in accordance with the present disclosure may include a pin, a bushing, a link, and a seal. The pin may define an axis, and may include opposing ends. The bushing may be positioned about the pin, and may include opposing ends. The link may have an inner face extending radially from the axis and defined by at least three portions. The three portions may include a recessed portion disposed between two non-recessed portions. The recessed portion may have a recessed face. The seal may be disposed at least partially within the recessed portion of the link. The seal may engage the recessed face of the link and may engage an end of the bushing such that a gap exists between the inner face of the link and the end of the bushing. | 03-31-2016 |
| 305104000 | And at connector pin | 14 |
| 20090102281 | 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. | 04-23-2009 |
| 20100090523 | TRACK JOINT SEAL SYSTEM - A track joint seal system comprises a pin ( | 04-15-2010 |
| 20110248561 | SEAL ARRANGEMENT AND LINK OF A CHAIN HAVING THE SEAL ARRANGEMENT - A sealing assembly for a track hinge comprises a sealing ring having an annular sealing edge that sealingly abuts on a radially-extending surface of a bushing of the track hinge. An elastic ring fixedly abuts on an outer track link of the track hinge and biases the sealing ring in axial and radial directions. A support ring is disposed radially inward of the sealing ring and is connected at least substantially to a radially-inner surface of the sealing ring. The support ring at least substantially prevents the sealing ring from directly contacting a radially-inner portion of the track hinge at least in the radial direction. | 10-13-2011 |
| 20120056472 | Track with rotating bushings for track-type vehicles with improved sliding bearings | 03-08-2012 |
| 20120068530 | Track with rotating bushings for track-type vehicles | 03-22-2012 |
| 20120161510 | SEAL ASSEMBLY - A seal assembly includes a first member that pivots about an axis of a joint relative to a second member. The seal assembly includes adhesive, a seal ring and a load ring for a seal cavity of the first member. The adhesive may be applied between at least one of the seal cavity and a first end face, the seal cavity and a first surface, the seal ring and an annular inner peripheral surface, the seal ring and a second surface, and the seal ring and a second end face. Alternatively, the seal cavity may comprise a roughened area where the load ring contacts the seal cavity. | 06-28-2012 |
| 20120193976 | 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 |
| 20130002010 | TRACK CHAIN CARTRIDGE HAVING THRUST BEARINGS - A cartridge for a track chain is disclosed. The cartridge includes a track pin. The cartridge also includes a rotatable bushing and a rotatable bearing located on the track pin. The cartridge further includes a first thrust bearing located on the track pin between the bearing and the bushing. The first thrust bearing is configured to contact the rotatable bearing and configured to contact the rotatable bushing. The first thrust bearing is configured to bear thrust loads and not radial loads. The cartridge may further include a collar located at an end of the track pin. The cartridge includes a second thrust bearing located between the bearing and the collar. The second thrust bearing is configured to contact the rotatable bearing and configured to contact the collar. The second thrust bearing is configured to bear thrust loads and not radial loads. | 01-03-2013 |
| 20140319905 | Seal Assembly for Track Joint Assembly of Undercarriage - A seal assembly can be incorporated into a track joint assembly of an undercarriage of a track-type machine. The track joint can have a first member pivotable about a rotational axis relative to a second member thereof. The first member includes a seal member engagement surface defining, at least in part, an axially-extending seal cavity about the rotational axis and within which the seal assembly is disposed. The seal assembly can include a thrust ring and a seal member mounted to the thrust ring. The seal member includes a first member engagement surface, a second member engagement surface, a frusto-conical inner relief surface, a thrust ring engagement surface, and an outer relief surface. | 10-30-2014 |
| 20150061370 | TRACK 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. Additionally, the track joint assembly may include a pin positioned at least partially within the first bore. The track joint assembly may also include an inner bushing positioned coaxially around the pin, and at least partially within the second bore. In addition, the track joint assembly may include an outer bushing positioned coaxially around the inner bushing. The track joint assembly may also include a seal assembly positioned between the first link and the second link to form a hermetic seal between the first link and the second link. | 03-05-2015 |
| 20150061371 | TRACK 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 including first and second portions. The first and second portions may have different diameters. In addition, the track joint assembly may include a solid pin positioned at least partially within the first bore. The track joint may also include a bushing positioned coaxially around the pin. The bushing may include an axial end portion disposed in and contacting the first portion of the second bore. The bushing may also include an axial end-adjacent portion disposed in and contacting the second portion of the second bore. An outer diameter of the end-adjacent portion may be larger than an outer diameter of the end portion. | 03-05-2015 |
| 20150061372 | TRACK 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. Additionally, the track joint assembly may include a second link having a second bore. The track joint assembly may also include a bushing. The bushing may include a first axial end portion disposed in the first bore. In addition, the bushing may include a second axial end portion disposed in the second bore. The track joint assembly may also include a seal assembly positioned at an axial end of the first axial end portion. The seal assembly may contact the first link at a seal-link interface. | 03-05-2015 |
| 20150300498 | Seal Assembly with Complementary Surface Deformations - A seal assembly is disclosed which may include a seal ring, a load ring in engagement with the seal ring, and complementary surface deformations in the seal ring and load ring, the complementary surface deformations circumscribing the seal ring and the load ring, the complementary surface deformations being continuous and non-circular. | 10-22-2015 |
| 20150300499 | Seal Assembly with Threads - A seal assembly is disclosed which may include a seal ring, a load ring in engagement with the seal ring, and a plurality of threads provided in the seal ring and the load ring so as to join the seal ring and the load ring together. | 10-22-2015 |
| 305105000 | With seal between connector pin and bushing | 2 |
| 20090261650 | Unitized Seal With Integral Spacer - A unitized seal assembly is provided for installation between linkages of a chain drive designed for tracked vehicles. The seal assembly facilitates field preventative maintenance on the drive chain by utilizing an integral spacer that holds the critical sealing surfaces together at all times, and has a seal head that can be easily removed from the outer link bore of a chain link. Removal of the seal head from the outer link bore causes as-installed clearance passageways between the seal head and seat portions and the spacer to forcefully close and prevent abrasive particles from getting inside the seal and reaching the interior interface junction of the dynamic sealing surfaces during seal maintenance. The seal assembly also includes additional sealing features that provide improved performance. | 10-22-2009 |
| 20110140509 | Sealing Assembly and Track Hinge including the Same - A sealing assembly provides a seal between first and second parts that are movable relative to each other. The sealing assembly comprises an elastic ring having an annular sealing lip configured to fixedly and sealingly abut on the first part. A sealing ring includes a sealing edge configured to sealingly abut on a sliding surface of the second part. A supporting ring is fixedly connected with the elastic ring and is inserted between the elastic ring and the sealing ring. | 06-16-2011 |
| 305106000 | With seal between connector pin and track link | 2 |
| 20120019055 | TRACK MEMBER FOR A TRACK OF A TRACKED VEHICLE - A track member ( | 01-26-2012 |
| 20120086265 | ROLLER BEARING TRACK BUSHING SYSTEM - A roller element bearing | 04-12-2012 |
| 305107000 | With deflector plate, track guide means, or scraper | 7 |
| 20110025122 | Undercarriage Cleaning Mechanism and Method of Providing the Same - A track roller frame cleaning mechanism is provided. The track roller frame cleaning mechanism includes a linkage configured to pivotally attach to a rotating track member and means for cleaning a surface of the track roller frame coupled to the linkage. | 02-03-2011 |
| 20110148188 | DEBRIS GUARD - A debris guard includes a plurality of fasteners and an outer cover including two or more sections that when assembled form an annular inner wall. Each of the two or more sections includes at least one mounting feature shaped to receive at least one of the plurality of fasteners. An inner guard includes a mounting portion and a seal. | 06-23-2011 |
| 305108000 | With deflector or guard mounted to track body | 2 |
| 20120146398 | Sweeping Track Shoe For Undercarriage System In A Track-Type Machine - A ground engaging track for a track-type machine includes a set of identical standard track shoes each having a relatively narrow shoe footprint, and a sweeping track shoe having a relatively wide shoe footprint. The sweeping track shoe is connectable via track links with the standard track shoes in an endless chain configuration such that the sweeping track shoe juts outwardly of the standard track shoes, for sweeping debris from a clearance between the track and a main frame of the track-type machine. The sweeping track shoe includes bolting apertures formed therein and communicating between an upper shoe surface and a ground contacting shoe surface, the bolting apertures being arranged in a directional link bolting pattern. The directional link bolting pattern defines a minor shoe axis and a major shoe axis, and the sweeping shoe body may be configured such that an inboard sweeping edge is spaced further than an outboard edge from the minor shoe axis. | 06-14-2012 |
| 20120146399 | Track-Type Machine Having Undercarriage System With Sweeping Track Shoe - A ground engaging track for a track-type machine includes a set of identical standard track shoes each having a relatively narrow shoe footprint, and a sweeping track shoe having a relatively wide shoe footprint. The sweeping track shoe is connectable via track links with the standard track shoes in an endless chain configuration such that the sweeping track shoe juts outwardly of the standard track shoes, for sweeping debris from a clearance between the track and a main frame of the track-type machine. The sweeping track shoe includes bolting apertures formed therein and communicating between an upper shoe surface and a ground contacting shoe surface, the bolting apertures being arranged in a directional link bolting pattern. The directional link bolting pattern defines a minor shoe axis and a major shoe axis, and the sweeping shoe body may be configured such that an inboard sweeping edge is spaced further than an outboard edge from the minor shoe axis. | 06-14-2012 |
| 305109000 | With deflector plate mounted to lateral side of track | 3 |
| 20090200859 | Debris guard for track roller frame and machine using same - A tracked machine may be equipped with a debris guard in order to inhibit entry of debris from an exterior to an interior of a track roller frame. An idler, track roller frame, track and debris guard may be configured to create a difficult to traverse serpentine debris entry pathway into the track roller frame. This may be accomplished by flanking opposite sides of a track chain with a pair of guard plates, and further inhibiting debris entry by including an in board guard shield that defines a slot that surrounds a portion of the idler. | 08-13-2009 |
| 20120146400 | Undercarriage System For Track-Type Machine And Debris Shunting Awning Assembly - A debris shunting awning assembly, for an undercarriage in a ground engaging track system for a track-type machine includes an awning having a plurality of segmental plates with an assembly configuration at which the plates are coupled with the inboard side of a track roller frame and span a clearance between the track roller frame and a main frame of the track-type machine. The awning assembly is configured to direct debris through a debris path extending through a portion of a track system for the track-type machine. | 06-14-2012 |
| 20120200149 | RESILIENT WHEEL ASSEMBLIES - A wheel assembly for a remote vehicle comprises a wheel structure comprising a plurality of spokes interconnecting a rim and a hub. The spokes comprise at least one slit extending therethrough radially inward from the rim to the hub. The wheel assembly also comprises a flipper structure comprising an arm, a plurality of legs, and an attachment base. The plurality of legs and the attachment base comprise a four-bar linkage. The wheel assembly further comprises an insert comprising a bore with a flat surface that tapers outward from a top portion of the insert to a bottom portion of the insert. The insert may be configured to couple the flipper structure to the wheel structure via an axle on the remote vehicle and prevent backlash between the axle and the flipper structure. The flipper structure may be configured to transmit axial forces to the wheel structure. The wheel structure may be configured to absorb radial and axial forces. | 08-09-2012 |
| 305111000 | With self-cleaning tread or track unit | 1 |
| 305112000 | Including self-cleaning endless belt | 1 |
| 20120139334 | RUBBER CRAWLER, METHOD FOR MAKING RUBBER CRAWLER, LUG FOR RUBBER CRAWLER AND VEHICLE PROVIDED WITH RUBBER CRAWLER - A rubber crawler for a tracked vehicle involves an endless rubber belt body for revolving around first and second members that are spaced from each other, which belt body has an outer peripheral face including a plurality of lugs that protrude outwardly from the belt body, each of which lugs has a ground-contacting surface and a sidewall extending outwardly from the belt body to the ground-contacting surface, the sidewall having a groove extending transversely to the length direction of the belt body, and each of which lugs is at least partially made of material that is deformable, at the groove of the sidewall, when the belt body bends to facilitate removal of soil from the groove. | 06-07-2012 |
