| 摘要 |
A traction device, preferably formed of an elastomer material, has molded threads and is designed to encapsulate a tire of a vehicle. The traction device has a body with a pair of distal ends. At one of the ends a pair of metal hooks are pivotally mounted to a hinge pin. When the traction device is placed around the tire, the metal hooks engage a locking pin disposed on the other end of the body. A bladder is mounted to an inner surface of the body such that the bladder becomes sandwiched between the body and the tire. Tension and grip is applied to the traction device by inflating the bladder. Air is introduced via an air valve through a communication duct. Once mounted, the traction device essentially becomes an integral member of the vehicle tire, thereby enhancing the traction of the drive wheels.
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