| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 180900620 | Toothed wheel drive | 21 |
| 20090321152 | Suspension For A Machine - A machine is provided. The machine has a forward direction of travel and includes a frame, at least one lift arm, a first torsion axle assembly, an undercarriage, and an endless track. The lift arm is pivotally attached to the frame. The first torsion axle assembly is attached to the frame and includes a first torsion arm, a first torsion shaft, and a first axle, with the first torsion shaft and the first axle extending from the first torsion arm. The undercarriage is attached to the first torsion axle assembly and the endless track encircles the undercarriage. One of the first torsion shaft and the first axle is attached to the frame and the other of the first torsion shaft and the first axle is attached to the undercarriage. The first torsion arm extends upward from the frame at an angle between 90 and 180 degrees from the forward direction of travel. | 12-31-2009 |
| 20100236844 | FAST TRACKED GROUND VEHICLE - An unmanned guided vehicle that is at least twice as fast as those of the prior art, lighter, less vulnerable, and more reliable than the prior art having at least one of: a dual-action dogleg suspension system; a track system comprising a plurality of cleats, a rubber insert secured to each cleat, and two cables serially joining each cleat to make up a track; a track guide system comprising a shark fin secured to each cleat that runs through a plurality of track guides; a dry clutch and braking system; a tubular chassis comprising a tubular center chassis and a tubular suspension chassis; a spring-loaded piston track tension compensator system; a flat drive tooth drive sprocket system that allows for clearing foreign debris from between the teeth; and a suspension carrier modular design assembly system comprising a passenger side suspension carrier, center cage, and driver's side suspension carrier. | 09-23-2010 |
| 20100282526 | CRAWLER TYPE TRAVELLING DEVICE - To provide a crawler belt with no movable portion connected by pins etc., and to provide a crawler type traveling device with few rotating wheel mechanisms and equalizing the pressure contacting the ground. | 11-11-2010 |
| 20110048817 | Traction Assembly - The present invention generally provides a wheel replacing traction assembly which uses, for propulsion, a longitudinally extending endless track disposed around and cooperating with a sprocket wheel, idler and road wheels, and a guide rail. | 03-03-2011 |
| 20120037434 | TRACKED VEHICLE - A tracked vehicle (e.g., a tracked carrier vehicle) comprising a plurality of track assemblies for traction of the tracked vehicle. Each of the track assemblies supports a portion of a weight of the tracked vehicle when the tracked vehicle is in use. Each track assembly comprises: a first wheel and a second wheel spaced apart from one another along a longitudinal direction of the tracked vehicle; a number of support wheels arranged in an in-line configuration between the first wheel and the second wheel; and an endless track disposed around the first wheel, the second wheel, and the support wheels. The support wheels may comprise at least five (5) support wheels mounted such that, when the tracked vehicle is in use, the portion of the weight of the tracked vehicle supported by the track assembly is never applied to only one of the support wheels. | 02-16-2012 |
| 20120097462 | Electric Tracklaying Gear and Use Thereof for a Self-Propelled Working Machine - The present invention relates to an electric tracklaying gear and the use thereof for a self-propelled working machine, preferably for a construction or earth-moving machine or a surface mining machine such as Surface Miner, which includes an endlessly circulating track chain which can be driven by a crawler drive that is arranged inside the path of circulation of the track chain. It is proposed to associate a cooling device with a closed fluid cooling circuit to the electric motor of the crawler drive arranged in the interior of the path of circulation of the track chain. Due to the high thermal capacity of a suitable cooling fluid such as oil or water-glycol mixture small volumetric flow rates in the fluid cooling circuit and hence small conduit cross-sections are sufficient. On the other hand, due to the closed formation of the fluid cooling circuit any dust input into the crawler drive and also any generation of dust by exhaust air can be avoided. | 04-26-2012 |
| 20120138373 | Final Drive Assembly With Seal Guard Features And Machine Using Same - A final drive assembly is used to support a track chain on a track type machine. The final drive assembly includes a sprocket hub mounted for rotation on a fixed hub. A seal is positioned between the fixed hub and the sprocket hub. The fixed hub and the sprocket hub define a seal protection passageway that extends between an outer surface and the seal. The seal protection passageway includes a labyrinth located between an annular attachment flange and the seal along a rotation axis of the sprocket hub. The outer surface includes a valley between a sprocket mount of the sprocket hub and a machine mount of the fixed hub. The seal protection passageway opens at a greater radius than a minimum radius of the valley. | 06-07-2012 |
| 20130098696 | TRACK ASSEMBLY FOR AN ALL-TERRAIN VEHICLE - The present invention provides track assemblies and a method that allow bringing the contact patch towards the inside (the outside) of the suspension arm, by providing a asymmetric track assembly, either by lowering at least one inside (outside) support wheel relative to the remaining support wheels, or by using a belt that comprises, transversally, at least one first profile on the outer (inner) side thereof lower than a second profile on an inner side thereof. | 04-25-2013 |
| 20130277126 | TRACK PAD - The present invention relates to a track pad for a chain of a chain wheel drive, the track pad having a bearing surface provided with at least one grouser ( | 10-24-2013 |
| 20140305719 | Electric Tracklaying Gear and Use Thereof For A Self-Propelled Working Machine - The present invention relates to an electric tracklaying gear and the use thereof for a self-propelled working machine, preferably for a construction or earth-moving machine or a surface mining machine such as Surface Miner, which includes an endlessly circulating track chain which can be driven by a crawler drive that is arranged inside the path of circulation of the track chain. It is proposed to associate a cooling device with a closed fluid cooling circuit to the electric motor of the crawler drive arranged in the interior of the path of circulation of the track chain. Due to the high thermal capacity of a suitable cooling fluid such as oil or water-glycol mixture small volumetric flow rates in the fluid cooling circuit and hence small conduit cross-sections are sufficient. On the other hand, due to the closed formation of the fluid cooling circuit any dust input into the crawler drive and also any generation of dust by exhaust air can be avoided. | 10-16-2014 |
| 20140332293 | SNOWMOBILE - A drive apparatus for a track of a snowmobile includes a drive shaft and a drive sprocket coupled to the drive shaft. The drive sprocket includes a first drive member having a plurality of teeth configured to engage drive lugs on an inner surface of the track and a second drive member having plurality of teeth configured to enter the openings formed in the track upon rotation of the drive shaft. First and second connecting webs extend between the teeth of the first and second drive members, respectively. The first and second connecting webs each have first and second side angled surfaces aligned an angle of less than 180° relative to each other to minimize snow build up on the first and second drive members, respectively. | 11-13-2014 |
| 20150129329 | CONTINUOUS TRACK SYSTEM - Continuously tracked vehicles such as tippers and bulldozers endure stresses and strains and it is desirable to reduce these stresses to extend their efficiency and life. A continuous track system is provided, comprising: a support structure supporting at least one jockey wheel and at least two tensioner wheels for supporting a track; two tensioners, one end of each tensioner being pivotably connected to the support structure, the two tensioner wheels being rotatably connected to an opposite end, for inducing tension in the track, wherein an axle of each tensioner wheel is pivotably connected by a link member to an axle of an adjacent jockey wheel; a controller for controlling the tensioners, wherein the controller maintains tension in the track by controlling the tensioners; a drive sprocket for rotation of the track; and a slew ring for attaching the support structure to a chassis of the vehicle. | 05-14-2015 |
| 20150291234 | TRACK ASSEMBLY FOR AN ALL-TERRAIN VEHICLE (ATV) OR OTHER TRACKED VEHICLE - A track assembly for providing traction to an all-terrain vehicle (ATV) or other tracked vehicle. The track assembly may comprise a wheel device for contacting an inner side of an endless track such that a longitudinal end segment of the endless track turns around the wheel device. The wheel device allows a change in curvature of the longitudinal end segment of the endless track when the longitudinal end segment of the endless track contacts an obstacle on the ground. In some embodiments, the wheel device may comprise a resilient wheel that is elastically deformable. In other embodiments, the wheel device may comprise a wheel carrier carrying a plurality of carried wheels. | 10-15-2015 |
| 20150308061 | DRIVE SHAFT BEARING STRUCTURE ASSEMBLIES FOR SNOWBLOWER TRACK-TYPE DRIVEN SPROCKET AND RELATED METHODS - Drive shaft bearing structure assemblies and methods for a snowblower can include a transmission and at least one drive shaft coupled to the transmission. The assembly can further include a transmission casing containing the transmission. The transmission casing can include at least one bearing structure. The bearing structure can be configured to receive a portion of the drive shaft during axial rotation of the shaft. In some aspects, there can be two drive shafts. In this aspect, the bearing structure can be configured to receive a first portion of each of the two drive shafts during axial rotation of the drive shafts. In another aspect, the bearing structure is bolted onto the transmission casing as a journal bearing. | 10-29-2015 |
| 20160114841 | Elastomeric Track Assembly and Track Band Having Damping Features - An elastomeric track assembly and track band having damping features is disclosed. The track comprises several surfaces disposed as to dampen the force of impact. The track is configured to have a ground contacting surface and portion not in contact with the ground. The idler and road wheels where applicable are disposed above a portion of the track that is not primarily in contact with the ground surface in order to prevent alignment between the wheel and the point of impact with the ground surface. | 04-28-2016 |
| 20160159413 | WEAR SHOE ASSEMBLY FOR A TRACK-TYPE MACHINE - A wear shoe assembly is disclosed. The wear shoe assembly may have a wear shoe extending from a wear shoe front end to a wear shoe rear end. The wear shoe may have a front wear shoe transition disposed adjacent wear shoe front end. The front wear shoe transition may have a wedge shape. The wear shoe may also have a rear wear shoe transition disposed adjacent the wear shoe rear end. The wear shoe assembly may also have a lift kit extending from a lift kit front end to a lift kit rear end disposed between the wear shoe front end and the wear shoe rear end. The lift kit may have a first width. The lift kit may also have a lift kit projection extending from the lift kit front end to the wear shoe front end. The lift kit projection may have a second width smaller than the first width. | 06-09-2016 |
| 20160159415 | UPPER TRANSITION ASSEMBLY FOR A TRACK-TYPE MACHINE - An upper transition assembly is disclosed. The upper transition assembly may have an upper spacer plate extending from a first spacer end to a second spacer end. The upper spacer plate may have a base portion having a first width. The upper spacer plate may also have a projection extending from the base portion. The projection may have a second width smaller than the first width. The upper transition assembly may also have a lower spacer plate extending from adjacent the first spacer end to a first distal end disposed between the first spacer end and the second spacer end. The lower spacer plate may have a third width about equal to the second width. | 06-09-2016 |
| 20160159417 | SPROCKET FOR A TRACK-TYPE MACHINE - A sprocket is disclosed. The sprocket may have a cylindrical hub having a first hub end and a second hub end disposed opposite the first hub end. The sprocket may also have a sprocket wheel disposed on the cylindrical hub between the first hub end and the second hub end. The sprocket may further have at least one tooth disposed on the sprocket wheel. The at least one tooth may have a tooth bottom disposed on a root circle. The at least one tooth may also have a tooth flank extending radially outward from the root circle to an outer surface of the at least one tooth. In addition, the at least one tooth may have a flat extending from the tooth bottom at a generally obtuse angle relative to a radial axis of the at least one tooth. | 06-09-2016 |
| 20160159418 | IDLER WHEEL FOR A TRACK-TYPE MACHINE - An idler wheel is disclosed. The idler wheel may have a cylindrical hub. The hub may have a first end and a second end disposed opposite the first end. The hub may also have an outer surface extending from the first end to the second end. The idler wheel may have a first circumferential groove disposed on the outer surface adjacent the first end. The idler wheel may further have a second circumferential groove disposed on the outer surface adjacent the second end. In addition, the idler wheel may have a third circumferential groove disposed on the outer surface between the first circumferential groove and the second circumferential groove. | 06-09-2016 |
| 180900640 | Belt or chain driven | 2 |
| 20100133020 | FINAL DRIVE UNIT, CONSTRUCTION MACHINE EQUIPPED WITH THE SAME, AND METHOD OF WINDING CRAWLER BELT - A final drive unit includes a sprocket, a hub unit and a holding portion. The hub unit is arranged inside the sprocket and includes a hub portion and a cover member mounted to the hub portion. At least the hub portion is configured and arranged to rotate about a rotational axis together with the sprocket. The holding portion is arranged on one of the hub portion and the cover member of the hub unit in proximity to an outer end of the one of the hub portion and the cover member with respect to an axial direction of the rotational axis. The holding portion is configured and arranged to hold an end of a wire-shaped member that pulls a crawler belt when the crawler belt is wound around the sprocket. | 06-03-2010 |
| 20140238756 | AUTONOMOUS SURFACE TREATING APPLIANCE - An autonomous surface treating appliance comprising a chassis having a drive arrangement and a control system interfaced to the drive arrangement so as enable control of the appliance across a surface to be treated, wherein the drive arrangement comprises at least one traction unit, each traction unit comprising a surface-engaging track constrained around a leading wheel and a trailing wheel, the leading wheel and the trailing wheel being arranged so that a track portion opposing the floor surface and extending between the leading and trailing wheels defines a ramped climbing surface. | 08-28-2014 |
