Patent ID: 7407236
Filing Date: 2008-08-05
Classification: B62D

Abstract:
1. An elastic crawler comprising: a crawler main body consisting of an endless belt of elastic material that is driven by friction with a friction drive wheel, the crawler main body having (1) laterally spaced edge portions, (2) an outer circumferential surface and (3) an inner circumferential surface spaced from the outer circumferential surface in a direction of thickness of the belt; a plurality of guide projections which protrude from the inner circumferential surface of both lateral edge portions of said crawler main body at specified intervals in a longitudinal direction of the belt; a guide core body embedded in a laterally inside surface of each of said guide projections; a plurality of main body core bodies which are (1) independent of said guide core bodies and (2) embedded in said crawler main body in positions corresponding with said guide projections in the longitudinal direction of the belt; and a plurality of laterally extending lugs which protrude from the outer circumferential surface of said crawler main body at specified intervals in the longitudinal direction of the belt.