A tread pattern for a vehicle track, such as an endless track for earth moving equipment, comprises a plurality of groups of tread lugs. Each group of tread lugs may comprise one or more tread lugs defining a generally "S" shape or a variation thereof. A vehicle track comprising the tread pattern ma
A tread pattern for a vehicle track, such as an endless track for earth moving equipment, comprises a plurality of groups of tread lugs. Each group of tread lugs may comprise one or more tread lugs defining a generally "S" shape or a variation thereof. A vehicle track comprising the tread pattern may also comprise a support core that is substantially centered with a center of a group of tread lugs.
대표청구항▼
The invention claimed is: 1. A vehicle track comprising: a first side configured to mount to a drive system of a vehicle; a second side opposite the first side and defining a tread pattern comprising: a first group of traction lugs comprising: a first central traction lug; a first lateral traction
The invention claimed is: 1. A vehicle track comprising: a first side configured to mount to a drive system of a vehicle; a second side opposite the first side and defining a tread pattern comprising: a first group of traction lugs comprising: a first central traction lug; a first lateral traction lug laterally and longitudinally offset from the first central traction lug; a second lateral traction lug laterally and longitudinally offset from both the first central traction lug and the first lateral traction lug, wherein the first central lug connects the lateral traction lugs; and a second group of traction tugs comprising: a second central traction lug longitudinally offset from the first central traction lug and substantially laterally aligned with the first central traction lug; a third lateral traction lug laterally and longitudinally offset from the second central traction lug, and substantially laterally aligned with the first lateral traction lug; and a fourth traction lug laterally and longitudinally offset from the second central traction lug, and substantially laterally aligned with the second lateral traction lug, wherein the first lateral traction lug and the fourth lateral traction lug at least partially overlap in a longitudinal direction; and a plurality of support cores, wherein the first and second group of traction lugs each correspond to only one support core of the plurality of support cores. 2. The track of claim 1, wherein the central traction lug is substantially centered for engagement with a drive wheel of the drive system. 3. The track of claim 1, wherein the third lateral traction lug is substantially laterally aligned with the first lateral traction lug, and the fourth traction lug is substantially laterally aligned with the second lateral traction lug. 4. The track of claim 1, wherein the first side comprises a plurality of guide lugs defining a channel configured to engage with one or more drive sprockets of the drive system, wherein the first central traction lug is substantially centered with the channel. 5. The track of claim 1, wherein the first central traction lug and first and second lateral traction lugs define a substantially continuous ground contact surface. 6. The track of claim 1, wherein the track comprises a plurality of body sections coupled together, each body section comprising at least one tread pattern. 7. The track of claim 1, wherein the tread pattern is repeated substantially uniformly over the second side. 8. The track of claim 1, wherein the plurality of support cores are located between the first and second sides of the track. 9. The track of claim 8, wherein the plurality of support cores comprises a first support core corresponding to the first group of traction lugs, and at least a portion of the first support core is substantially centered with the first central traction lug. 10. The track of claim 1, further comprising a plurality of reinforcing members extending substantially longitudinally across the track. 11. The track of claim 10, wherein the reinforcing members are embedded in the track. 12. The track of claim 1, wherein the first central traction lug defines a first surface and a first wall extending between the first surface and a common surface of the second side of the track, the first lateral traction lug defines a second surface and a second wall extending between the second surface and the common surface of the second side, and the second lateral traction lug defines a third surface and a third wall extending between the third surface and the common surface of the second side. 13. The track of claim 12, wherein the first, second, and third wails are each oriented at an obtuse angle with respect to the common surface of the second side of the track. 14. The track of claim 12, wherein the first, second, and third surfaces protrude different distances from the common surface of the second side of the track. 15. The track of claim 1, wherein the first and second lateral traction lugs have substantially similar shapes, the second lateral traction lug being oriented at about 180 degrees relative to the first lateral traction lug. 16. The track of claim 1, wherein the first central traction lug, and the first and second lateral traction lugs define a ground contact surface area that defines a generally S shape. 17. A system comprising: a drive sprocket; and an endless track coupled to the drive sprocket and defining: an inner circumferential surface comprising a plurality of guide lugs defining a channel configured to receive the drive sprocket; and an outer circumferential surface defining a tread pattern comprising: a first group of traction lugs comprising: a first central traction lug; a first lateral traction lug laterally and longitudinally offset from the first central traction lug; a second lateral traction lug laterally and longitudinally offset from both the first central traction lug and the first lateral traction lug, wherein the first central lug connects the lateral traction lugs; and a second group of traction lugs comprising: a second central traction lug longitudinally offset from the first central traction lug and substantially laterally aligned with the first central traction lug; a third lateral traction lug laterally and longitudinally offset from the second central traction lug, and substantially laterally aligned with the first lateral traction lug; and a fourth traction lug laterally and longitudinally offset from the second central traction lug, and substantially laterally aligned with the second lateral traction lug, wherein the first lateral traction lug and the fourth lateral traction lug at least partially overlap in a longitudinal direction; and a plurality of support cores, wherein the first and second group of traction lugs each correspond to only one support core of the plurality of support cores. 18. The system of claim 17, wherein the plurality of support cores comprises a first support core corresponding to the first group of traction lugs, and at least a portion of the first support core is substantially centered with the first central traction lug.
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이 특허에 인용된 특허 (6)
Alvin Edward Moss CA, Endless drive track with moulded tread blocks and tread sections.
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