B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 55/088 (2006.01) B62D 55/092 (2006.01) B62D 55/20 (2006.01)
Patent
CA 2062955
An endless track chain (10) is provided with a rotatable sleeve (66) that is mounted about the track bushing (44) to provide the track with longer external bushing life. The rotatable sleeve is sealed and lubricated, as is the standard track joint. However, each is separate from the other with its own supply of lubricant. As a consequence, a failure of a seal for the rotatable sleeve has no effect on the track hinge joint (40).
Chenille sans fin (10) munie de manchons rotatifs (66) qui sont montés sur les coussinets de la chenille (44) pour assurer aux coussinets une vie extérieure plus longue. Le manchon rotatif est étanche et lubrifié, tout comme le joint de chenille standard. Tous les manchons sont toutefois séparés les uns des autres et comportent chacun leur propre alimentation en lubrifiant. Il s'ensuit qu'une défaillance d'étanchéité d'un manchon rotatif ne se répercute aucunement sur le joint de charnière de la chenille (40).
Johnson Mark L.
Oertley Thomas E.
Caterpillar Inc.
Kirby Eades Gale Baker
LandOfFree
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