Core bar member for rubber crawler and rubber crawler device

Abstract

A core bar member for a rubber crawler which includes a pair of projections, each having an upper face and left and right wing portions, the upper faces of the pair of projections protruding to a fixed height upward and having protruding parts having a width direction and of a fixed length in the width direction of the left and right wing portions, the upper faces of the left and right projections including the protruding parts being upwardly arcuate and having a center portion of the upwardly arcuate protruding parts being the bottom thereof. In accordance with a second embodiment the pair of the upper faces of the projections are upwardly arcuate and each has a center portion with the center portions being the bottom thereof, the protruding parts provided only in one side and extending in opposing directions to each other. In accordance with a third embodiment the pair of the upper faces of the projections are inclined upwardly in opposing directions to each other. The rubber crawler has an inner circumferential face and plural core bar members are arrayed and concealed with a fixed interval such that the projections protrude in the width direction on the inner circumferential face of the rubber crawler.

Dependencies are inferred from the claim text.