| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber crawler that effectively suppresses the occurrence of cracks in a part of a rubber elastic body corresponding to the side edge of a reinforcing ply. SOLUTION: A coreless rubber crawler includes: a steel-cord layer 5 that comprises a plurality of steel cords extending circumferentially along a crawler and is provided in a rubber elastic body extending in an endless manner; one or more reinforcing ply 8 layers that respectively comprise a plurality of cords and are provided on the outer peripheral side of the steel-cord layer; and lugs 9 formed on the outer peripheral face side of the rubber elastic body at prescribed intervals so as to act on the road surface. Each notched part 10 is provided in each region of at least one reinforcing ply 8 layer corresponding to at least one side edge part of each lug 9. COPYRIGHT: (C)2011,JPO&INPIT
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