Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7370918 | Wheel assembly for a tracked vehicle and anti-accumulation sleeve therefor The present disclosure concerns embodiments of an improved wheel assembly for a drive track unit of an all-terrain vehicle that inhibits the accumulation of snow, ice and/or other matter between the track and the wheel assembly. In one implementation, an improved gu... | 05/13/2008 |
| 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 |
| 7213893 | Track cover A track cover adapted for use on an item of heavy construction equipment having at least one track. The track cover comprises an outside panel and a tread panel. The tread panel is preferably connected to the outside panel. The track cover also comprises an assembly... | 05/08/2007 |
| 7128176 | Staggered bogie wheel track suspension Suspension wheels, or bogie wheels, in an endless track vehicle are longitudinally offset, or staggered, from one another in such a way as to cause the track rods of the endless track to impact only one suspension wheel at any given point in time. ... | 10/31/2006 |
| 7062593 | Circuit system and method for data transmission between LPC devices The present invention provides a circuit system for data transmission between LPC devices, comprising: a first LPC bus, connected to a first LPC device; a second LPC bus, connected to a second LPC device; and an LPC host controller, able to drive the first LPC devic... | 06/13/2006 |
| 7025429 | Drive assembly for a track-type vehicle A drive assembly for a track-type vehicle which makes the effective ground contact length within the tumbler distance as large as possible. The drive assembly has a single track roller unit disposed closest to the idler and closest to the sprocket respectively, each... | 04/11/2006 |
| 6702406 | Travel gear of crawler work vehicle A travel gear of a crawler work vehicle has a plurality of double bogie type track wheel devices. The double bogie type track wheel devices respectively include a first arm member attached to the lower part of a track frame so as to be swingable in the ve... | 03/09/2004 |
| 6631961 | Isolated rim idler An idler wheel assembly, which supports and guides an endless track and provides sound suppression, and a method for providing sound suppression of an undercarriage of a machine. The idler wheel assembly includes a hub having a first side surface and a se... | 10/14/2003 |
| 6536851 | Debris stripping apparatus A debris stripping apparatus 64 is provided for an endless track laying work machine 10. The debris stripping apparatus 64 includes a wear bar 66 that protrudes from the outer circumferential surface 56 of the drive wheel 30. During operation the wear bar... | 03/25/2003 |
| 6481807 | Roller for tracks A sliding roller for tracks of tracked vehicles, comprising a supporting shaft which is composed of two coaxial portions and a central collar, supporting bushings which are arranged on the coaxial portions on either side of the collar, a cylindrical shell... | 11/19/2002 |
| 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 |
| 6435629 | Roller assembly of an undercarriage assembly having a roller hub configured to receive rims of varying sizes and method for making the same A roller assembly for an undercarriage of a work machine is configurable in either a first roller configuration or a second roller configuration. The roller assembly has a roller shaft and a roller hub journalled for rotation about the roller shaft. A fir... | 08/20/2002 |
| 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 |
| 6322170 | Apparatus and method of preventing refuse from wrapping around the axle of a work machine An apparatus and method of preventing refuse from wrapping around the axle of a work machine is disclosed. A work machine includes a frame, an axle, at least one wheel, an operator compartment, an engine, and an axle protection system. The at least one wh... | 11/27/2001 |
| 6267458 | Apparatus for protecting a track assembly of a tractor A tractor includes a track assembly having a frame, an idler wheel mechanically coupled to the frame, a drive wheel mechanically coupled to the frame, an endless track disposed around the idler wheel and the drive wheel, and a number of mid-rollers interp... | 07/31/2001 |
| 6176491 | Sealing device In order to ensure that the working life of the sealing device is at least comparable to that of the remaining parts of the crawler track, the resilient annular element comprises a first annular portion and a second annular portion. The first annular port... | 01/23/2001 |
| 6145941 | Track bushing having improved abrasion and galling resistance A track bushing for an endless track of a track-type vehicle includes a first end, a second end and a middle portion, an outer surface and an inner surface, a first sealing surface adjacent the first end and a second end sealing surface adjacent the secon... | 11/14/2000 |
| 6142588 | Drive chain for tracked vehicle A drive chain has a plurality of pairs of link elements with the elements each pair extending longitudinally parallel to each other and having relatively widely spaced outer ends formed with transversely open and confronting blind bores and relatively cl... | 11/07/2000 |
| 6139020 | Textured seal A seal is provided having a back surface that is generally perpendicular with a longitudinal axis of the seal and a sealing portion on the side opposite the back surface. The sealing portion is defined by first and second intersecting surfaces. A pluralit... | 10/31/2000 |
| 6089684 | Means and method for removing debris from the drive wheel of a track-driven vehicle A device for removing debris from a drive wheel rotatably mounted to a vehicle body includes an auxiliary wheel rotatably mounted on the body adjacent an outer peripheral surface of the drive wheel. The auxiliary drive wheel has a substantially circumfere... | 07/18/2000 |
| 6019443 | Debris cutter for sprocket drive In a track-driven tractor, stationary cutter blades are fixed to a chassis of the tractor and cooperating rotating cutter blades are fixed to a sprocket hub of the tractor. The cutting blades are operable to cut refuse entrained between the sprocket and t... | 02/01/2000 |
| 5967630 | Guard and cleaner assembly for a wheel In the operation of machines of the type that are typically designed to traverse terrain having deposits of debris, it is a common problem to have the debris become attached to the wheels of the machine and rotate therewith. In many instances this causes ... | 10/19/1999 |
| 5951123 | Guard assembly for a wheel In the operation of a construction machine over terrain strewn with debris, there is a tendency for the debris to work itself into areas of sealing interface such as between an axle and the final drive assemblies of the machine. When this occurs the seals... | 09/14/1999 |
| 5769507 | Compactor wheel axle guard system The present invention includes an axle guard system which prevents, or at least substantially inhibits, cable, rope, wire and other refuse and debris from wrapping around the axle of a compaction machine, behind a compactor wheel mounted on the axle, duri... | 06/23/1998 |
| 5762408 | Debris stripping apparatus Apparatus for removing debris from a position between a laterally inner edge of a continuous drive track and a motor vehicle on which the track is mounted including a stripper bar adapted to be mounted laterally adjacent the lateral inner edge and mechani... | 06/09/1998 |
| 5713644 | Debris cutter for sprocket drive In a track-driven tractor, stationary cutter blades are fixed to a chassis of the tractor and cooperating rotating cutter blades are fixed to a sprocket hub of the tractor. The cutting blades are operable to cut refuse entrained between the sprocket and t... | 02/03/1998 |
| 5553931 | Track roller assembly A track roller assembly for guiding an endless track includes a central supporting shaft, a roller shell having a through bore, a pair of bushings surrounding the shaft and positioned within the roller through bore, and a pair of split rings which secure ... | 09/10/1996 |
| 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 |
| 5370451 | Cutter assembly for a wheeled tractor A system for preventing entanglement of a wheeled tractor with wire or other wrappings, the system having at least one cutter assembly mounted to the frame of the tractor and designed to shear wire or other materials that can lodge between the axles and w... | 12/06/1994 |
| 5302012 | Composite tread ring for track roller A replaceable composite tread ring for a track roller assembly of a track-type vehicle includes a non-metallic outer tread portion and a metallic inner base portion. The metallic base portion is C-shaped and encloses portions of the non-metallic tread. Co... | 04/12/1994 |
| 4836318 | Track roller frame assembly A track roller frame assembly for a track-type vehicle includes a rugged and yet lightweight main body including a channel-shaped base, a recoil-mechanism receiving tubular casing overlyingly connected to a first end portion of the base, and a plate struc... | 06/06/1989 |
| 4781257 | Suspension structure for a tracked vehicle A vehicle such as a combine harvester or the like includes a main frame and a first and second undercarriages for supporting the main frame and individually having front and rear wheel assemblies and a track encircling the wheel assemblies. A suspension s... | 11/01/1988 |
| 4778019 | Dynamic seals for vehicle air suspensions A sealed, air-containing vehicle suspension assembly. The assembly includes an endless track unit trained over a pair of wheel units each supported by the end portion of an axle, a pair of side plates, and a pair of dynamic seal assemblies. The dynamic se... | 10/18/1988 |
| 4732398 | Bellows-type bearing seal and method of use A rubber dirt-excluding and grease-retaining seal for use in machine assemblies such as furrow forming disc assemblies in grain drills, marker disc assemblies and the like comprises a generally cylindrical, accordian-like body formed of interconnected poc... | 03/22/1988 |
| 4695102 | Lubricated roller for the tracks of crawler vehicles, in particular, a top roller with fixed overhung shaft and rolling bearings The roller has a fixed overhung shaft (2) with a groove at its overhung end, in which to lodge a snap ring (14), and a shoulder (9) at its anchored end. The roller body (1) is journalled to the shaft (2) via a pair of rolling bearings (4) the inner rings ... | 09/22/1987 |
| 4668025 | Sealed pivot joint A sealed pivot joint suitable for joining together the adjacent links of an endless belt, for example, a tank track. The joint has a bearing (10) rotatable on a pin (8), and an elastic sleeve (20) whose extremities are in sealed relationship to the pin an... | 05/26/1987 |
| 4640559 | Bearing seal for endless track rollers In an improved roller, a sealing arrangement (9) at either end comprises a metal annular element (11) which is able to shift axially, and which incorporates a smooth, slender frontal rim (14) breasted with the outward-facing frontal surface of the outer r... | 02/03/1987 |
| 4602825 | Anti-torsion means for track assemblies for track-type vehicles A track assembly (11,11a) for a track-type vehicle comprises a plurality of wide low ground pressure track shoes (16) pivotally interconnected by a link assembly (17), disposed intermediate the widths of the track shoes (16). At least one chain (20) furth... | 07/29/1986 |
