Lobed bushing for track assembly and track-type machine...

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 55/08 (2006.01) B62D 55/20 (2006.01) E02F 9/02 (2006.01)

Patent

CA 2745201

A lobed bushing (72) is provided for a track assembly (16) of a track-type machine (10). The track assembly includes a first chain (40) and a second chain (42) coupled together with a track pin (70). The bushing, defining a longitudinal axis (A), includes a central bore (78) oriented along the longitudinal axis and extending from a first end (80) of the bushing to a second end (82) of the bushing for receiving the track pin. The bushing includes a first lobe (96) positioned at a first location (110) about the longitudinal axis and a second lobe (112) positioned at a second location (114) about the longitudinal axis that is less than about 180° from the first location. The first end of the bushing has a substantially cylindrical shape.

L'invention porte sur une douille à lobes (72) conçue pour un ensemble de chenille (16) d'une machine de type chenillé (10). L'ensemble de chenille comprend une première chaîne (40) et une seconde chaîne (42) couplées l'une à l'autre à un axe d'articulation de chenille (70). La douille, définissant un axe longitudinal (A), comprend un alésage central (78) orienté selon l'axe longitudinal et s'étendant à partir d'une première extrémité (80) de la douille jusqu'à une seconde extrémité (82) de celle-ci afin de recevoir un axe d'articulation de chenille. La douille comprend un premier lobe (96) positionné en un premier emplacement (110) proche de l'axe longitudinal et un second lobe (112) positionné en un second emplacement (114) proche de l'axe longitudinal qui diffère de moins de 180° par rapport au premier emplacement. La première extrémité de la douille est de forme sensiblement cylindrique.

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