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 |