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 hav
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.
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1. A sprocket, comprising: a cylindrical hub having a first hub end and a second hub end disposed opposite the first hub end;a sprocket wheel disposed on the cylindrical hub between the first hub end and the second hub end;a first tooth disposed on the sprocket wheel, the first tooth including a fir
1. A sprocket, comprising: a cylindrical hub having a first hub end and a second hub end disposed opposite the first hub end;a sprocket wheel disposed on the cylindrical hub between the first hub end and the second hub end;a first tooth disposed on the sprocket wheel, the first tooth including a first tooth bottom disposed on a root circle that is centered on a rotational axis of the sprocket wheel,a first tooth flank extending radially outward from the root circle to an outer surface of the first tooth, anda first flat extending from the first tooth bottom at a first generally obtuse angle relative to a radial axis of the first tooth, the first flat adjoining the first tooth bottom on the root circle, the radial axis extending radially outward from the rotational axis of the sprocket wheel; anda second tooth disposed on the sprocket wheel adjacent to the first tooth, wherein the second tooth includes a second tooth bottom disposed on the root circle, andthe sprocket wheel further includes a second flat extending from the second tooth bottom at a second generally obtuse angle relative to a radial axis of the second tooth, the second flat intersecting with the first flat. 2. The sprocket of claim 1, wherein the second tooth bottom is spaced apart from the first tooth bottom. 3. The sprocket of claim 2, wherein the first tooth flank includes a leading edge extending from the first tooth bottom to the outer surface, and a trailing edge extending from the second tooth bottom to the outer surface. 4. The sprocket of claim 3, wherein the leading edge and the trailing edge each have a generally curved shape. 5. The sprocket of claim 2, wherein the first generally obtuse angle and the second generally obtuse angle are about equal. 6. The sprocket of claim 2, wherein the first flat has a first width, the second flat has a second width, and the first width is about equal to the second width. 7. The sprocket of claim 2, wherein the first flat has a first width, the second flat has a second width, and the first width is greater than the second width. 8. The sprocket of claim 1, wherein the sprocket wheel is disposed closer to the first hub end than the second hub end. 9. The sprocket of claim 1, wherein the cylindrical hub includes a generally cylindrical bore configured to receive a sprocket shaft. 10. The sprocket of claim 1, wherein the sprocket wheel includes seven teeth. 11. The sprocket of claim 1, wherein the first generally obtuse angle is about 91.5°. 12. The sprocket of claim 1, wherein a width of the first flat is about equal to a width of the second flat. 13. The sprocket of claim 12, wherein the first generally obtuse angle is about equal to the second generally obtuse angle. 14. The sprocket of claim 1, wherein the first tooth bottom tangentially intersects the root circle, and the second tooth bottom tangentially intersects the root circle. 15. The sprocket of claim 1, wherein an outer surface of the first tooth defines an outermost diameter of the sprocket wheel, the radial axis is orthogonal to the outer surface at the outermost diameter of the sprocket wheel, andthe radial axis divides the first tooth flank into two substantially equal half portions. 16. A track assembly, comprising: a plurality of link members forming a track chain;an idler wheel disposed at a front end of the track chain; anda sprocket disposed at a rear end of the track chain opposite the front end, the sprocket being configured to propel the track chain,the sprocket including a sprocket wheel and at least one tooth disposed on the sprocket wheel, the at least one tooth including a first tooth disposed adjacent to a second tooth, the first tooth including a first tooth bottom disposed on a root circle that is centered on a rotational axis of the sprocket wheel,a first tooth flank extending radially outward from the root circle to an outer surface of the first tooth, anda first flat extending from the first tooth bottom at a first generally obtuse angle relative to a radial axis of the first tooth, the first flat adjoining the first tooth bottom on the root circle, the radial axis extending radially outward from the rotational axis of the sprocket wheel,wherein the second tooth includes a second tooth bottom disposed on the root circle, andwherein the sprocket wheel further includes a second flat extending from the second tooth bottom at a second generally obtuse angle relative to a radial axis of the second tooth, the second flat intersecting with the first flat. 17. The track assembly of claim 16, wherein the first tooth bottom tangentially intersects the root circle, and the second tooth bottom tangentially intersects the root circle. 18. A machine, comprising: a frame;an engine supported by the frame;a plurality of link members forming a track chain;an idler wheel attached to the frame and disposed at front end of the track chain;a sprocket attached to the frame and disposed at a rear end of the track chain opposite the front end, the sprocket being configured to be driven by the engine; anda plurality of teeth disposed on the sprocket, each tooth of the plurality of teeth including a first tooth bottom disposed on a root circle that is centered on a rotational axis of the sprocket,a second tooth bottom disposed on the root circle, the second tooth bottom being spaced apart from the first tooth bottom,a tooth flank extending radially outward from the root circle to an outer surface of the tooth,a first flat extending from the first tooth bottom at a first generally obtuse angle relative to a radial axis of the tooth, the first flat adjoining the first tooth bottom on the root circle, the radial axis extending radially outward from the rotational axis of the sprocket, anda second flat extending from the second tooth bottom at a second generally obtuse angle relative to the radial axis, whereinan outer surface of each tooth defines an outermost diameter of the sprocket,the radial axis is orthogonal to the outer surface at the outermost diameter of the sprocket, andthe radial axis divides the tooth flank into two substantially equal half portions.
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이 특허에 인용된 특허 (12)
Johnson Clifton E. (Red Lake Falls MN), Idler wheel assembly.
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