| 摘要 |
The apparatus prevents a large sized automobile accident by sensing the flat tire while driving the automobile. The apparatus comprises: a pressure plate(40) contacting with an inner face of an automobile tube(20); a support rod(60), combined with the pressure plate(40), including a female screw(60b), a male screw(60c) and a circular step(60a); a spring(50) installed between the step(60a) of the rod(60) and the pressure plate(40); a hooking rod(70) including a hole(70a), stoppers(70b,70e), and screwed parts(70c,70d); a resonator(80) including a vibration plate(80b) and an air path(80a).
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