| 摘要 |
PURPOSE: To facilitate laying, removing, or changing works of cables extending over different rooms by continuously providing a floor member which can be separately drawn up, in a position as well corresponding to the bottom frame part of an opening formed on a wall. CONSTITUTION: A number of sheets of floor members 3 are continuously laid in rooms A, B to include a position 21 corresponding to the bottom frame part of an opening 2 formed on a wall 1. Cables can be laid under the floor 3 and adjacent floor members 3 can be separately drawn up without restriction of mutual floor members. In this way, cables continuously laid over different rooms A, B can be easily laid, removed, or changed. |
