Patent ID: 6206491
Filing Date: 2001-03-27
Classification: B62D

Abstract:
A crawler device for a crawler vehicle comprising a pin and a stationary bush for connecting a right row of crawler links and a left row of crawler links adjacent in a longitudinal direction, each of the crawler links having a first connection end portion and a second connection end portion, and a rotating bush outwardly fitted to the stationary bush in a freely rotatable manner to mesh teeth of a drive wheel, wherein the improvement comprises:support members respectively inserted into said right and left rows of crawler links, each support member having an outer diameter portion press fitted to the second connection end portion of the crawler links and an inner cylinder portion to which said stationary bush is press fitted;a first seal inserted between an outer end portion of each of the support members and the opposing crawler links; anda second seal inserted between an inner end portion of each of the support members and the opposing rotating bushes.