Patent ID: 7661774
Filing Date: 2010-02-16
Classification: B62D

Abstract:
1. A track for use in a track-type vehicle, comprising: track links each constructed by alternately interconnecting an external link and an internal link; a coupler pin for coupling the external link and the internal link; a rotatable bushing interposed between the right and left internal links and rotatably supported by the coupler pin; a coupler pin hole which is provided in the external link and into which the coupler pin is press-fitted, a bushing hole provided in the internal link; a fixed bushing interfittingly inserted into the bushing hole; a first bolt insertion hole provided in a track shoe mount surface of the external link; and a second bolt insertion hole provided in a track shoe mount surface of the internal link; wherein the first bolt insertion hole and the second bolt insertion hole are arranged on a straight line and the straight line connecting the first bolt insertion hole and the second bolt insertion hole is situated at a position more interior than a contact plane of the external link and internal link.