| 摘要 |
A detector installing device includes an attaching member attached on a wall or ceiling; an installing angle adjusting member rotatably mounted on the attaching member; a rotational hook member formed between the attaching member and the installing angle adjusting member; a detector installing member pivotally installed on the installing angle adjusting member; a pivot hook member formed between the installing angle adjusting member and the detector installing member; a fixing shaft integrally coupling the attaching member, the installing angle adjusting member, and the detector installing member to each other while being supported by an elastic member; and a tightening/loosening unit for tightly or loosely coupling the attaching member, the installing angle adjusting member, and the detector installing member to each other by moving the fixing shaft in an advancing direction or a backward direction. |
