| 摘要 |
<p>The invention relates to a device that has been specially designed to extend/retract air conditioning hoses, intended for automatic use in airports. The invention comprises a telescopic receiving device (1-1') which is connected to an aircraft boarding bridge and in which the air conditioning hose (4) is stored. A pair of electronically controlled gear motors (7-20) are provided on the aforementioned device and the shafts thereof are connected to respective drums (10) for extending/retracting a cable or band (14-21). One of said cables extends through the front opening (3) in the casing (1) of the receiving device and the free end thereof is attached to the hose (4) at a distance from the front end of same. The retraction cable (14) extends into the telescopic device (1-1') through the rear part of same and the free end of said cable is connected to a pull element (15) having a series of cables (16) attached thereto, wherein said cables are connected to the house using metal rings (17) that are solidly connected to same.</p> |
