| 摘要 |
PURPOSE: A case of the ceiling speaker is easily proceed the cleaning and exchange operation by dividing the binding piece from the grill cover. CONSTITUTION: Speaker is combined in the inner side of the housing(10). The housing comprises the insertion hole and pair of elastic fastening loops(14). The connection pipe combined with the external speaker line leading-in tube is inserted into the insertion hole. The grill cover(20) is fixed to the elastic fastening loop of the housing. The opening(21) is formed in the center of the grill cover. |
