Track assembly having wear inhibiting contact members

Details Track assembly having wear inhibiting contact members Track assembly having wear inhibiting contact members

2011-06-14

2011-06-14

Stormer, Russell D (Department: 3617)

Wheel substitutes for land vehicles

With means to remove or exclude foreign matter

With end seal between bushing and track link

C305S106000, C305S202000

Reexamination Certificate

active

07959239

ABSTRACT:
A track assembly for a track-type machine is disclosed. The track assembly includes inner and outer track links. A rotatable bushing is positioned about a track pin and a sleeve bearing is positioned about the track pin. A first seal member is disposed between an inner track link and the rotatable bushing and a second seal member is disposed between inner and outer track links. A first thrust ring is engaged with the rotatable bushing and a second thrust ring is engaged with the sleeve bearing. A first contact member is engaged with the first seal member and a second contact member is engaged with the second seal member. The first and second contact members are configured to inhibit wear of the first and second seal members.

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