| 摘要 |
<p>FRONT AIR SWINGAWAY This is concerned with a front air swingaway which is a device for connecting the air supply between a tractortrailer combination where the air source is on the tractor. The swingaway is constructed to be mounted on the front of the trailer and projects forwardly when in use but is automatically folded back against the front of the trailer when not in use, meaning when it is not connected to a gladhand.</p> |
