Bulldozer track support roller mounting

Details Bulldozer track support roller mounting Bulldozer track support roller mounting

B - Operations, Transporting

62

D

305/49

B62D 55/104 (2006.01) B62D 55/08 (2006.01) B62D 55/108 (2006.01)

Patent

CA 1211486

BULLDOZER TRACK SUPPORT ROLLER MOUNTING Abstract of the Disclosure A bulldozer has six track support rollers mounted on the associated track frame such that the first and last rollers are more or less rigid with the frame, the two rollers respectively next to the first and last rollers are vertically shiftably mounted and biased downwardly by respective springs having a first stiffness, and the middle two rollers are vertically shiftably mounted and biased downwardly by respective second springs having a stiffness a predetermined amount less than that of the first springs.

438016

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