| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a non-pneumatic tire that has raised durability by relaxing stress concentration and inhibiting generation of buckling of a spoke center part. <P>SOLUTION: In a non-pneumatic tire T with a support structure SS which supports a load from a vehicle, the support structure SS includes: an inside annular part 1; an outer annular part 3 prepared outside of the inside annular part 1 in the shape of a concentric circle; and a plurality of connection parts 45 which connect the inside annular parts 1 and the outer annular part 3. The connection parts 45 has neck parts 45d and 45e smaller than a center part 45a in cross section respectively between a center part 45a and both ends 45b and 45c in tire radial direction. <P>COPYRIGHT: (C)2012,JPO&INPIT |
