Track chain joint with radial seal unit

Details Track chain joint with radial seal unit Track chain joint with radial seal unit

2007-03-23

2009-10-06

Morano, S. Joseph (Department: 3617)

Wheel substitutes for land vehicles

With means to remove or exclude foreign matter

With end seal between bushing and track link

C305S104000, C305S105000, C305S106000, C277S349000, C277S551000, C277S562000

Reexamination Certificate

active

07597410

ABSTRACT:
An endless track chain device, comprises first and second links and a track chain joint. The track chain joint comprises a radial seal unit that inhibits ingress of debris between a bushing of the joint and the second link into a region between a pin of the joint and the bushing.

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Communication from the European Patent Office dated Nov. 28, 2007 (6 pages).
Case Extended Life Track Information (1 page) (prior art).
Cat® SystemOne™ Undercarriage Information (7 pages) (prior art).
Deere J Dozers Brochure (24 pages) (prior art).
Drawings Of Prior Art Systems (2 pages) (prior art).
Statement About Track Chain Joints (3 pages) (prior art).
Track Joint Seal Of Deere 850J Crawler (1 page) (prior art).
U.S. Appl. No. 11/525,367, filed Sep. 22, 2006.

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