Patent application number | Description | Published |
20110243648 | 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 a 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 and second members. An axial segment of a seal ring engagement surface of the load ring extends over at least half the length, measured along the longitudinal axis, between a radial segment of the seal ring engagement surface and a radial segment of a first member engagement surface of the load ring. At least one of a load ring engagement surface of the first member and an axial segment of the first member engagement surface of the load ring includes a convex rounded portion. | 10-06-2011 |
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 |
20120267859 | Seal Assembly for Track Pin Joint Assembly of Undercarriage - A seal assembly can be incorporated into a track pin cartridge assembly of an undercarriage of a track-type machine. The seal assembly can include a pin defining a longitudinal axis and first and second members 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 a 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 and second members. A radial segment of a first member engagement surface of the load ring is radially offset, measured along a radial axis perpendicular to the longitudinal axis, from a radial segment of a seal ring engagement surface of the load ring. | 10-25-2012 |
Patent application number | Description | Published |
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 |
20090108541 | Sealing system - A bushing includes an interior surface, an exterior surface, a first end, and a second end. An end face forms at least part of each of the first end and the second end. At least one of the exterior surface and the end face includes a sealing surface formed at least in part of a coating including a material having a hardness level greater than about 1200 Knoop. The sealing surface has a thickness greater than about 35 microns and an average roughness (Ra) less than about 0.25 micron. In one embodiment, the bushing may be used on an endless track for a track-type work machine. | 04-30-2009 |
20100139993 | Lobed Bushing For Track Assembly And Track-Type Machine Using Same - A lobed bushing is provided for a track assembly of a track-type machine. The track assembly includes a first chain and a second chain coupled together with a track pin. A bushing, defining a longitudinal axis, includes a central bore oriented along the longitudinal axis and extending from a first end of the bushing to a second end of the bushing for receiving the track pin. The bushing includes a first lobe positioned at a first location about the longitudinal axis and a second lobe positioned at a second location about the longitudinal axis that is less than about 180° from the first location. The first end of the bushing has a substantially cylindrical shape. | 06-10-2010 |
20100141027 | Abrasion 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 |
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 |
20110109154 | Bushing 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 (PL | 05-12-2011 |
20120161399 | SEAL ASSEMBLY - A seal assembly for sealing between a first member and a second member of a joint, the first member being able to pivot about an axis of the joint relative to the second member, is disclosed. The seal assembly includes a first ring, a load ring, a first seal ring, and a resilient second seal ring. The first ring is for a first seal cavity of the first member. The load ring is for a second seal cavity of the second member. The first seal ring may be of a metal having a sealing surface extending in a radial direction. The resilient second seal ring may have an annular seal lip. The first seal ring is held stationary by the first ring in the first seal cavity of the first member, and the second seal ring is forced axially by the load ring into axial sealing engagement with the first seal ring. A track joint may include such a seal assembly and a vehicle may include such a seal assembly. The first seal ring may be integral with a thrust ring. | 06-28-2012 |
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 |
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 |
20120193980 | 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 |
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 |
20130000995 | TRACK LINK CONNECTOR WITH TEXTURED REGION - A track link connector is disclosed herein that includes an elongate, substantially cylindrical body having a length dimension and including a substantially annular exterior surface and first and second opposing end portions. The track link connector further includes a textured region extending less than 360 degrees around a circumference of the exterior surface of the body at one of the end portions thereof. | 01-03-2013 |
20130221739 | Abrasion 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 |
20140001822 | UNDERCARRIAGE ASSEMBLY WITH CARRIER SKID | 01-02-2014 |
20140001827 | UNDERCARRIAGE ASSEMBLY | 01-02-2014 |
20140001828 | UNDERCARRIAGE GUIDING ASSEMBLY | 01-02-2014 |
20140001830 | TRACK LINK | 01-02-2014 |
20140001831 | TRACK LINK ASSEMBLY | 01-02-2014 |
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 |
Patent application number | Description | Published |
20090243384 | Track 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 |
20130002009 | MOBILE 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 |
20130002011 | TRACK 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 |
20130082846 | SENSOR SYSTEM AND METHOD - A method is disclosed for collecting information related to a machine component of a mobile machine that is configured to perform work on a worksite. The sensor system may be installed on or within the machine component, and the machine component may be installed with the sensor system on the mobile machine. The information may be collected with the sensor system while the machine is performing work on the worksite, the information relating to a characteristic experienced by the machine component. The information may be transmitted with the sensor system. The sensor system may collect information related to a tracked undercarriage of the mobile machine, or the cutting head of a tunnel boring machine. | 04-04-2013 |
Patent application number | Description | Published |
20100148575 | Link 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 |
20140105481 | METHODS AND SYSTEMS FOR DETERMINING PART WEAR BASED ON DIGITAL IMAGE OF PART - Systems and methods are disclosed for determining part wear using a mobile device. One such exemplary method includes capturing, using the mobile device, at least one digital image of a wear part of a machine. The method further includes determining, by the mobile device and based on the at least one digital image, a degree of wear of the wear part. | 04-17-2014 |
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 |
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 |
20150061373 | JOINT BUSHINGS FOR TRACK JOINT ASSEMBLIES - Disclosed are various exemplary embodiments of a joint bushing for a track joint assembly. In one exemplary embodiment, the joint bushing may include a generally cylindrical outer surface. The joint bushing may also include a generally cylindrical inner bearing surface defining a bore. The inner bearing surface may include a plurality of valley-shaped recesses. | 03-05-2015 |
20150061374 | 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. 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 |