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| Number | Title | Issue Date |
| 7396091 | Caterpillar band chain for tracked vehicles A caterpillar band chain (1) has an attachment or hinge area (3, 4) including connectors (10) which are situated on the outside. The connectors (10) clamp bolts (20, 21) in a rotationally fixed manner. The bolts (20, 21) are... | 07/08/2008 |
| 7354200 | Bearing device and pin for bearing device To provide a bearing device, which can be easily processed, and whereby, its durability is capable of being improved and a load (tractional force) can be remarkably increased till the burn-in occurs and a pin for the bearing device. The bearing device is provided wi... | 04/08/2008 |
| 7347513 | Cartridge assembly for a track chain of a track type machine and machine using same A cartridge bearing assembly for a track chain of a track type work machine is provided. The cartridge bearing assembly includes axial/radial load bearing insert members positioned about a pin, and a rotatable bushing positioned therebetween. Crowned sleeve bearings... | 03/25/2008 |
| 7338138 | Link and producing method of the same A link has link connecting bores (15) and (16) at both ends thereof and a wear rail (13) disposed between the upper portions of the link connecting bores (15) and (16). Portions near the ends of the wear rail (13) are design... | 03/04/2008 |
| 7325889 | Track having rotatable bushing and link for the same In a track with a rotatable bushing which is brought into engagement with a sprocket of a track-type vehicle, it is intended that strength is enhanced rationally by link functionality sharing and by combination of such assigned functional tasks for achieving further... | 02/05/2008 |
| 7306684 | Crawler bushing and method and device for producing the same Quenched layers are formed without irregularities on the inner circumferential surface of a track bushing having a small inside diameter or on the inner circumferential surfaces of two or more track bushings which are subjected to quenching in an overlapped conditio... | 12/11/2007 |
| 7240973 | Crawler, crawler pin, crawler bush, and crawler manufacturing method A crawler having a crawler pin and a crawler bush having lubrication between the crawler pin and the crawler bush without lowering the strength of the crawler at the running time, thereby to prevent the creak or seizure, as might otherwise be caused at the running t... | 07/10/2007 |
| 7228382 | Storage control apparatus and method thereof In a storage system having a first storage control apparatus and a second storage control apparatus, the first storage control apparatus has: a first memory; a second memory; an input/output control unit for data transfer information in the second memory; and a data... | 06/05/2007 |
| 7219968 | Crawler system and crawler link structure There is provided a crawler system and a crawler link structure which can be easily assembled and is superior in durability and provided at low cost. The crawler system comprises a crawler 2 in which pairs of opposed right and left links 1a and ... | 05/22/2007 |
| 7217208 | Flexible bicycle chain A bicycle chain includes a plurality pairs of outer plates and inner plates. Each pair of the outer plates is connected at two opposite ends to two pairs of the inner plates by connectors connected to the inner plates. Each connector has a rivet extending therethrou... | 05/15/2007 |
| 7078110 | Slide bearing A slide bearing is described with a bearing metal layer on copper basis as applied to a carrier and a running layer made of an alloy of aluminum and tin which is applied physically onto the bearing metal layer in vacuum. In order to combine favorable resistance agai... | 07/18/2006 |
| 6951096 | Method and apparatus for installing links on an endless track chain The present invention provides a portable machine for assembling a track for a track type work machine. A positioning block is provided for alignment of a pair of track pins that are to receive an outer track joint. A portable assembly tool having a pair of contact ... | 10/04/2005 |
| 6948784 | Track pin bushing having a metallurgically bonded coating A track pin bushing for cooperating with a track pin in an endless track has a tubular body with a metallurgically bonded wear-resistant coating and a method for forming such a coated track pin bushing is taught herein. The tubular body, formed of an iron-based allo... | 09/27/2005 |
| 6938732 | Chain with pins equipped with lubricating cartridges and cartridge for said chain A chain with links made of plates connected with hollow pins containing a reserve of lubricant connected with the chain parts to be lubricated. The lubricant reserve is contained in replaceable cartridges inserted removably in the pins through an appropriate end pas... | 09/06/2005 |
| 6926460 | Fixing structure for fixing a pin to a link in a caterpillar An link of a caterpillar which is allowed to maintain stabilized durability for a long period. The fixing structure has a link, and a pin inserted into a pin inserting bore formed in the link. A peripherally extending concave groove formed on the end portion of the ... | 08/09/2005 |
| 6886323 | Fixing structure between link and pin in crawler belt, and fixing method thereof In a crawler belt comprising pairs of opposite links connected endlessly via pins press-fitted into the links, fixing surfaces of pins or links are successively pressed and deformed from the fixing surfaces in an axial direction along the circumferences inside or ou... | 05/03/2005 |
| 6866351 | Rotary bushing type crawler track A crawler track is provided which is improved in the service life of bushings engaging a driving wheel (sprocket) of a track type vehicle, thereby reducing the running cost and which can be used under high loading conditions and therefore has a wide range of applica... | 03/15/2005 |
| 6846051 | Joint assembly to resist galling Joint assemblies are useful for connecting one structure to another structure. When the various structures deflect or bend, edge loading occurs therebetween. The subject joint assembly includes a pin positioned between a first and second structure. An insert is free... | 01/25/2005 |
| 6817682 | Skid steer track A track for in-line tires on a skid steer vehicle, the track includes a continuous loop of links with sidebars and a pin and a barrel, the pin and barrel together forming a hinge between the links and extending between the sidebars. Tire side guides extend upward fr... | 11/16/2004 |
| 6739680 | Cartridge assembly for a track chain A cartridge assembly for a track chain assembly is provided. The cartridge assembly includes a bushing rotatably positioned about a track pin. Bearing members are positioned about the track pin adjacent the bushing. Collars are positioned about the track pin adjacen... | 05/25/2004 |
| 6565161 | Heavy duty track link A track link assembly having a first pair of track links, and a second pair of track links is disclosed. The track link assembly further includes a bushing having ends pressed into an inner boss of the second pair of track links. The track link assembly y... | 05/20/2003 |
| 6564539 | Method and apparatus for retaining a track chain joint A method and apparatus of assembling a joint of an endless track chain for track-type machines to prevent endplay in the joint is disclosed. The joint includes a pair of links and a cylindrical pin. Each link includes a outwardly offset outboard end colla... | 05/20/2003 |
| 6485116 | Joint assembly to resist galling Joint assemblies are useful for connecting one structure to another structure. When the various components deflect or bend edge loading occurs between the various components. The subject joint assembly includes a bushing positioned in one structure and a ... | 11/26/2002 |
| 6478388 | Seal arrangement for a track type work machine and an associated method for producing a seal arrangement A seal arrangement is disclosed. The seal arrangement includes a seal groove having a central axis. The seal groove is defined by at least a first wall segment, a second wall segment, and a third wall segment interposed the first wall segment and the seco... | 11/12/2002 |
| 6457304 | Method and apparatus for retaining a track chain joint A method and apparatus of assembling a joint of an endless track chain for track-type machines to prevent end play in the joint is disclosed. The joint includes a pair of links and a cylindrical pin. Each link includes a outwardly offset outboard end coll... | 10/01/2002 |
| 6454366 | Cartridge assembly for a track chain A cartridge assembly is provided that connects first and second links of a track chain of a track type work machine. The cartridge assembly includes first and second collars and a track pin. The first collar is positioned within a first hole of the first ... | 09/24/2002 |
| 6422667 | Link-and-pin fixing structure for a crawler chain A fitting space having an annular opening, in which an elastic ring whose diameter of a section is D is to be fitted, is formed between a pin-press-fit hole of a link and an exposed end portion of a pin. A link inner wall face and a pin outer peripheral f... | 07/23/2002 |
| 6386651 | Insert arrangement for a track chain assembly An insert arrangement includes a ring member having (i) a first sidewall, (ii) a second sidewall, (iii) a bore defined therethrough, (iv) a first seal groove defined in the first sidewall, and (v) a second seal groove defined in the second sidewall. The i... | 05/14/2002 |
| 6382742 | Cartridge assembly for a track chain of a track type work machine A cartridge assembly for a track chain assembly includes a bushing having a passageway defined therethrough. The cartridge assembly also includes track pin having a longitudinal axis. The track pin is located within the passageway so that a first end port... | 05/07/2002 |
| 6371577 | Track chain assembly for a work machine A track chain assembly includes a bushing having a passageway defined therethrough. The track chain assembly also includes a track pin having a longitudinal axis. The track pin is disposed within the passageway of the bushing. The track chain assembly fur... | 04/16/2002 |
| 6270173 | Fixing structure of link and pin of travelling crawler belt, and fixing method thereof In a travelling crawler belt in which a pair of left and right links are connected by pins respectively press-fitted into the corresponding links, a fixing end surface of the pin or the links is continuously and locally pressed and deformed in an axial di... | 08/07/2001 |
| 6206491 | Crawler device for crawler vehicle As well as a torsional rigidity of right and left crawler links is secured, a seal is prevented from damaging so as to restrict a leakage of a lubricating oil, so that a durability of a crawler device is improved. In order to achieve this, a crawler devic... | 03/27/2001 |
| 6109706 | Pin and bushing configuration for a track assembly In the operation of track-type machines, the pin and bushing assemblies incorporated in the track assemblies are typically lubricated to accommodate wear that occurs as they rotate relative to one another. Since the relative rotation occurs over a relativ... | 08/29/2000 |
| 5894901 | Endless track magnetic traveling device Magnets 1 are pressed against a vehicle body (side plates, a rotary shaft, a supporting beam 12 of springs 10, etc.), which travels on an endless track comprising the magnets 1, a chain 5, etc., by auxiliary wheels 9 having a plurality of springs 10 which... | 04/20/1999 |
| 5853233 | Crawler track assembly A crawler track mechanism including a plurality of track plates each mounted on track chain links, the chain links being interconnected by bushes having an outer sleeve rotatably journalled on an inner sleeve which in turn is rotatably journalled on a cen... | 12/29/1998 |
| 5749634 | Elastic mounting for track pivot pins in endless hinged vehicular crawler drive tracks In hinge tracks with rubber mountings (5) in which rubber-lined tubular steel bushes mount track pivot pins (20), the pin ends are usually provided with screwthreaded projection portions so that the steel bushes (10) are motion-free braced relative to eac... | 05/12/1998 |
| 5711586 | Track bushing assembly and method A track bushing for use with a track assembly of a track-type machine includes a generally cylindrical member having ends adapted for mounting in opposing end portions of a track link and a longitudinal bore extending between the ends. The inner surface o... | 01/27/1998 |
| 5511869 | Replacement endless vehicle tracks A replacement endless drive track for use on a heavy duty tracked vehicle such as a bulldozer or tank includes a reinforced polymeric drive belt, two parallel sets of closely spaced rail blocks adjacent the drive belt, a plurality of drive pins extending ... | 04/30/1996 |
| 5409306 | Track assembly A track assembly comprising an endless track chain made up of identical track links and a cooperating sprocket wheel. The track link is formed with a ground engaging surface, a running surface and hinge members suitable to interact with hinge members on a... | 04/25/1995 |
| 5368376 | Replacement endless vehicle tracks A replacement endless drive track for use on a heavy duty tracked vehicle such as a bulldozer or tank includes a reinforced polymeric drive belt, two parallel sets of closely spaced rail blocks adjacent the drive belt, a plurality of drive pins extending ... | 11/29/1994 |
