TUBE ASSEMBLY FOR HOUSING A MULTISTAGE TELESCOPIC ANTENNA FOR A VEHICLE

摘要

There is provided an tube assembly for housing a multistage telescopic antenna for a vehicle. The tube assembly comprises an outer tube for housing a multistage telescopic antenna, an insulating sleeve inserted in the outer tube, an electrically conductive sleeve inserted in the outer tube, first sealing means for sealing an upper end portion and a lower end portion of an annular space formed between the insulating sleeve and the outer tube, second sealing means for sealing an upper end portion of an annular space formed between the electrically conductive sleeve and the outer tube, and a stopper member provided at a lower end portion of the annular space formed between the insulating sleeve and the outer tube.