| 摘要 |
<p>A device especially for cars and other road vehicles for use when carrying out pressure checking and filling of air in tyres or other devices containing gas, which comprises a cylinder (1) preferably of plastic or rubber or another soft composite with an external grip handle (3) in one end and an internal grip (5) in the other end which fits and grips around the valve cap of the filling nipple. In the cylinder a permanent magnet (9) is applied so that the device can be temporarily be fastened on the car body, on a mudguard under the fuel filler lid or similar. The device is fitted with rotating indication rings or bands (12, 13) whose relative position in relation to the cylinder's casing and its indication symbols (14, 15, 16) can show the pressure that the tyre or car manufacturer has recommended.</p> |
