Abstract: A protective flanged seal structure for a bearing assembly of track system wheels is presented. The protective flanged seal structure incorporates an attachment surface connected to a sealed bearing housing of the track system, a sealing element configured to contact a rotary part of the track system, one or more resilient lips radially extending from the sealing element to maintain resilient contact with the rotary part during movement, and a lubricating agent sealably contained by the sealing element. The one or more radially extending resilient lips are configured with externally facing slanted profiles to shield the sealed bearing housing from exposure to debris or moisture. The protective flanged seal structure further incorporates a fluid inlet structure to facilitate insertion of the lubricating agent for replenishment.

Abstract: An articulation assembly for an axle of a wheel assembly of a vehicle track system comprising: a composite movement component configured to connect the axle to a track system frame, and to permit the axle to move relative to the frame as a composite movement having a composite axis, the composite axis extending along a longitudinal centre plane of the track system, the composite movement comprising a yaw movement component and a roll movement component such that when the axle of the wheel assembly moves relative to the frame, the roll movement component and the yaw movement component occur simultaneously.

Abstract: A track system includes a frame, a drive wheel assembly, an idler wheel assembly, a support wheel assembly, and an endless track. The drive, idler and support wheel assemblies are rotationally connected to the frame. The support wheel assembly includes inner and outer laterally spaced wheels. The endless track, which surrounds the frame, the drive, idler and support wheel assemblies, has a longitudinal center plane defining inner and outer lateral sides. The endless track has a contact patch for engaging a ground surface. The contact patch is defined at least by the support wheel assembly that is configured such that a center point of a width of the contact patch is offset from the longitudinal center plane, and is disposed on the inner lateral side.

Abstract: An attachment system for attaching an implement mounting assembly to a vehicle, the attachment system including a vehicle attachment component that is fastenable to a front portion of the frame of the vehicle, and a frame attachment component that is removably attachable to the vehicle attachment component on one end via a securing axis, and pivotably attachable to the implement assembly on another end about a pivoting axis. When fastened to the vehicle, the vehicle attachment component is located upward from the underside of the frame. When the frame attachment component is attached to the vehicle attachment component, the securing axis is located upward from the underside portion of the frame, and the pivoting axis is located downward therefrom.

Abstract: A seal, which is for a wheel of a track system, includes first and second portions. The first portion is resiliently deformable, and has inner and outer radial ends, the outer radial end being closer to a retaining portion of the wheel than the inner radial end. The second portion is connected to the first portion, is more rigid than the first portion and is configured to at least reinforce the first portion. A seal assembly having the seal and a cover is also disclosed.

Abstract: A pivot assembly for connecting a ground-contacting wheel assembly to a frame member of a track system assembly has a base defining a first interlocking member, a resilient body structured for being received at least partially within the base and having a second interlocking member connectable to the first interlocking member, and an axle assembly configured for rotatably connecting the ground-contacting wheel assembly to the frame member, the axle assembly including a third interlocking member connectable to the second interlocking member. The resilient body is at least partially wrappable around the peripheral surface of the axle assembly. Upon deformation of the resilient body, the axle assembly is pivotally movable relative to the frame member of the track system assembly about at least one of a longitudinal axis and a vertical axis.

Abstract: A support structure having at least one connecting member, a shaft, at least one axle transversally connected to the shaft and at least one resilient member for connecting the at least one support wheel assembly to a frame of a track system is disclosed. The at least one resilient body defines an aperture, in which one of first and second portions of the shaft is received, and has an inner portion that is fixedly connected to the one of first and second portions and an outer portion that is fixedly connected to the at least one connecting member. Upon resilient deformation of the at least one resilient member, the shaft is rotatable, and the at least one axle is pivotable, about the longitudinal axis. The at least one resilient body biases the shaft toward an initial position upon rotation thereof. A track system having the support structure is also disclosed.

Abstract: Wheels, wheel assemblies, track systems, and vehicles are disclosed. The wheel has a hub portion and a tread portion disposed about the hub portion. The tread portion has a first plurality of grooves extending laterally from a first sidewall of the tread portion towards a second sidewall of the tread portion. The first plurality of grooves are circumferentially spaced along the tread portion. A radial depth of a first groove from the first plurality of grooves is greater proximate to the first sidewall than proximate to the second sidewall. The first groove has an ellipsoidal shape.

Abstract: A tandem wheel assembly, which is for a track system, includes a wheel-carrying structure, a first wheel, a second wheel, a third wheel and a fourth wheel. The wheel-carrying structure pivotably connectable to a frame of the track system. The wheel-carrying structure is configured to pivot relative to the frame about a pivot axis. The wheel-carrying structure includes a first portion extending on one side of the wheel-carrying structure and a second portion extending on the other side of the wheel-carrying structure. The first and second wheels are rotationally connected to the first portion, the first wheel being longitudinally spaced by a first distance from the second wheel. The third and fourth wheels are rotationally connected to the second portion, the third wheel being longitudinally spaced by a second distance from the fourth wheel. The second distance is different from the first distance.

Abstract: A pivot assembly for connecting a ground-contacting wheel assembly to a frame member of a track system assembly has a base defining a first interlocking member, a resilient body structured for being received at least partially within the base and having a second interlocking member connectable to the first interlocking member, and an axle assembly configured for rotatably connecting the ground-contacting wheel assembly to the frame member, the axle assembly including a third interlocking member connectable to the second interlocking member. The resilient body is at least partially wrappable around the peripheral surface of the axle assembly. Upon deformation of the resilient body, the axle assembly is pivotally movable relative to the frame member of the track system assembly about at least one of a longitudinal axis and a vertical axis.

Abstract: A support structure having at least one connecting member, a shaft, at least one axle transversally connected to the shaft and at least one resilient member for connecting the at least one support wheel assembly to a frame of a track system is disclosed. The at least one resilient body defines an aperture, in which one of first and second portions of the shaft is received, and has an inner portion that is fixedly connected to the one of first and second portions and an outer portion that is fixedly connected to the at least one connecting member. Upon resilient deformation of the at least one resilient member, the shaft is rotatable, and the at least one axle is pivotable, about the longitudinal axis. The at least one resilient body biases the shaft toward an initial position upon rotation thereof. A track system having the support structure is also disclosed.

Abstract: A tensioning assembly for modulating a tension in a track of a vehicle track system, the vehicle track system including a wheel with a wheel axle, the track extending at least partially around the wheel, the tensioning assembly comprising: an indicator for providing an indication when the wheel axle is in a predetermined position corresponding to a predetermined tension in the track, the indication being based on one or both of (i) a predetermined position of a first member of the tensioning assembly relative to a second member of the tensioning assembly, and (ii) a predetermined position of the resilient assembly relative to a frame.

Abstract: A resilient component for a wheel of a track system is disclosed. The resilient component includes a resilient body and a wear element. The resilient body defines a hub aperture for at least partially receiving a hub component. The resilient body extends radially outwardly from the hub aperture, and defines a first lateral sidewall and a second lateral sidewall, the first and second lateral sidewalls being spaced apart. The wear element is connectable to one of the first and second lateral sidewalls, and at least partially surrounds the hub aperture. A wheel having the resilient component and the hub component is also disclosed. A track assembly having the wheel is also disclosed.

Abstract: A pivot assembly for connecting a ground-contacting wheel assembly to a frame member of a track system assembly has a base defining a first interlocking member, a resilient body structured for being received at least partially within the base and having a second interlocking member connectable to the first interlocking member, and an axle assembly configured for rotatably connecting the ground-contacting wheel assembly to the frame member, the axle assembly including a third interlocking member connectable to the second interlocking member. The resilient body is at least partially wrappable around the peripheral surface of the axle assembly. Upon deformation of the resilient body, the axle assembly is pivotally movable relative to the frame member of the track system assembly about at least one of a longitudinal axis and a vertical axis.

Abstract: Support structures for track systems are disclosed. One support structure includes a shaft, a wheel assembly and a deformable portion. The wheel assembly is connectable to the shaft, which has a shoulder at one end, such that a lateral side of the wheel assembly is engageable with said shoulder. The deformable portion is connected to one of the shaft and the wheel assembly, and is disposed, when the wheel assembly is connected to the shaft, between the lateral side of the wheel assembly and the shoulder. The deformable portion is configured to, when deformed, provide a seal between the shaft and the lateral side of the wheel assembly.

Abstract: A wheel assembly, a track system and a vehicle are disclosed. The track system has a frame defining a longitudinal center plane, a wheel assembly rotationally and pivotably connected to the frame, and the endless track having the inner surface and surrounding the frame and the wheel assembly. The wheel assembly has a non-linear axle and a wheel. The non-linear axle has a first segment and a second segment. The wheel is rotationally connected to the first segment extending along a rotation axis of the wheel. The second segment being pivotably connected to the frame. The second segment is offset from the first segment so that the second segment is closer to an inner surface of an endless track than the first segment.

Abstract: A pivot assembly for connecting a ground-contacting wheel assembly to a frame member of a track system assembly has a base defining a first interlocking member, a resilient body structured for being received at least partially within the base and having a second interlocking member connectable to the first interlocking member, and an axle assembly configured for rotatably connecting the ground-contacting wheel assembly to the frame member, the axle assembly including a third interlocking member connectable to the second interlocking member. The resilient body is at least partially wrappable around the peripheral surface of the axle assembly. Upon deformation of the resilient body, the axle assembly is pivotally movable relative to the frame member of the track system assembly about at least one of a longitudinal axis and a vertical axis.