| 摘要 |
PROBLEM TO BE SOLVED: To provide a crawler unit and a link structure for a crawler which have an excellent durability, are reduced in cost, and easily assembled. SOLUTION: The crawler unit comprises a crawler 2 formed by connecting a pair of right and left oppositely facing links 1a, 1b to form an endless ring. The pair of right and left links 1a, 1b are connected at their one end through a cylindrical connecting portion 3. The right and left pair of links 1a, 1b are connected at their longitudinal intermediate portions through an engagement part 4 fitted to a cavity tooth 29 of a recessed/protruded tooth 28 of a crawler sprocket 27. The pair of right and left links 1a, 1b are connected to form an endless ring by inserting a connecting pin 12 into the connecting portion 3. COPYRIGHT: (C)2005,JPO&NCIPI
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