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US 2021/0284259 A1Published application
Track assembly bushing having a wear member
AssigneeCaterpillar Inc.
InventorsDouglas Trent WEAVER, Mark D. VELIZ, Roger L. RECKER
Life of this patent
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Abstract
A bushing for a track assembly includes a tubular bushing substrate having a longitudinal length and an outer surface. The outer surface includes at least one flat portion. The bushing also includes at least one white iron member. The at least one white iron member includes a flat inner surface, and the flat inner surface of the at least one white iron member is fixed to the flat portion of the outer surface of the tubular bushing substrate.
Claims20
A bushing for a track assembly, comprising:
- a tubular bushing substrate having a longitudinal length and an outer surface, wherein the outer surface includes at least one flat portion;
- and
- at least one white iron member, wherein the at least one white iron member includes a flat inner surface, and wherein the flat inner surface of the at least one white iron member is fixed to the flat portion of the outer surface of the tubular bushing substrate.
A method of producing a bushing for a track assembly, comprising:
- fixing at least one white iron member to an outer surface of a tubular bushing substrate, wherein the at least one white iron member includes a flat inner portion, wherein the tubular bushing substrate includes a flat outer portion, and wherein the flat inner portion is mated to the flat outer portion.
A track assembly bushing, comprising:
- a tubular bushing substrate having a longitudinal length, an axial bore configured to receive a pin, and a recess, wherein the recess is formed in an outer surface of a central portion of the tubular bushing substrate, and wherein the recess includes a flat surface;
- and
- a wear member, wherein the wear member includes a flat inner surface, and wherein the wear member is at least partially received in the recess and the flat inner surface is fixed to the flat surface of the recess.
Dependencies are inferred from the claim text.