| 摘要 |
A tire inflating method and apparatus, allowing inflation of different sized tires without changing over a tire inflation device. The tire inflation device has two chambers, an inner chamber and an outer chamber. The inner chamber is within the outer chamber and extends downwardly when a smaller sized rim is being used. The tire inflation device has a linear transducer, with a magnetic ring, that determines the height of the tire inflation head and knows when to shut off inflation. A method of inflating tires without changing over an inflation device is also provided. The method includes the steps of photo switches detecting the size of the rim being used, an inflation head adjusting to a corresponding size of the tire rim, and the inflation head inflating the tire and rim to a specified pressure.
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