| 摘要 |
PURPOSE: A car tire is provided to prevent punctures by not using a tube which is inflated by the injection of air. CONSTITUTION: A car tire comprises a hub(100), a first rod(200), a second rod(210), an external plate(300), a first flange portion(400), a second flange portion(410), a guide plate(500), a spring(600), and a grounded part(700). The first rod is radially expanded from the center of rotation of a wheel. A second rod facilitates the movement of the external plate and the guide plate.
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