| 摘要 |
PURPOSE: A ceiling insert type housing is provided to improve a work time and work efficiency by preventing an anchor bolt from being separated from the end of a bolt. CONSTITUTION: A housing having a plurality of bolt supports is inserted into holes which are formed on the ceiling. The end bolts(114) having no screw thread is penetrated through the bottom of the housing. An anchor bolt(116) is combined with the end of the bolt to fix the end of the bolt to the bolt supports. A moving support(115) is moved along the screw thread of the bolt according to the rotation of the bolt. The padding housing comprises a bolt support having a first bolt hole, a second bolt hole, and a bolt fixing hole. The moving support includes a bolt cap and a bolt cap hole. |
