Patent ID: 11919584
Assignee: CATERPILLAR INC.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 4:
5. The track roller member of claim 4 wherein the body defines a plurality of segments in the plane containing the radial direction and the axis of rotation, forming the first aperture, the plurality of segments including a first radially inwardly extending segment that is interposed axially between the proximate axial end and the first aperture minimum diameter, an axially extending segment defining the first aperture minimum diameter, and a first blend connecting the first radially inwardly extending segment and the axially extending segment, the first blend defining a radius of curvature ranging from mm to 20.0 mm, and the body defining a plane of symmetry that is parallel to the radial direction and the first aperture is symmetrical about the plane of symmetry.