| 摘要 |
The present invention relates to a snow tire having an iron pin device, and more specifically, to a technology to let a driver in the driver′s seat control a control device of an air valve, which provides air to an air inflow chamber (air cylinder) of a snow tire having an iron pin device, which was registered as Registration No. 20-0235692 at the Korean Intellectual Property Office of the Republic of Korea on 8 October 2001. The snow tire of the present invention comprises: an actuator (4) installed in a brake drum (5) or the vehicle body, whose rod (3) is expanded or reduced by a current applied by the control device installed near the driver′s seat when the driver controls the control device; an air valve (10) installed in a tire wheel (21), whose lever (11) does not receive interference even if the rod (3) of the actuator (4) is reduced and the wheel (20) rotates, and is controlled by receiving interference by the expanded rod (3) when the rod (3) is expanded and the wheel (20) rotates; and an air tank (22) installed on the tire wheel to supply air into an air cylinder (15) installed in the tire. |
