Pin and bushing configuration for a track assembly

Details Pin and bushing configuration for a track assembly Pin and bushing configuration for a track assembly

1998-11-17

2000-08-29

Morano, S. Joseph

Wheel substitutes for land vehicles

Tracks or treads

Separate transverse connector pin between treads

305 59, 305 42, B62D 5521

Patent

active

061097063

ABSTRACT:
In the operation of track-type machines, the pin and bushing assemblies incorporated in the track assemblies are typically lubricated to accommodate wear that occurs as they rotate relative to one another. Since the relative rotation occurs over a relatively small area, there are instances wherein portions of the interface between the pin and bushing never are exposed to the lubricating fluid, thus causing premature wear. The present invention provides a track assembly that has a track bushing that defines a bore that is defined by a plurality of wall segments. The wall segments join one another to define a plurality of cusps that form axially extending channels that extend the axial length of the bushing. The channels maintain a quantity of lubricant during relative rotation of the track pin and bushing to prevent premature wear.

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