| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the adjustment of the thickness and raise the safety, in a joint frame for a cable box interposed between a cable box installed within a partition wall and a coating margin cover. SOLUTION: For a joint frame 4 for a cable box, each inside periphery of opposite frame parts 11a and 11b of a plastic peripheral frame 11 is provided with an engaging hole 12, and also engaging frames 13 free of elastic transformation having hooks 13a at the tips are molded integrally side by side in thickness direction of the peripheral frame of each engaging hole 12. The coupling condition between both hands can be kept by pushing the hook part 13a of the engaging foot 13 of the joint frame 4 for a cable box into the inside periphery of other joint box 4 for a cable box in the same shape, thereby setting and engaging it in the engaging hole 12. The adjustment of the thickness can be done freely by changing the number of pieces to be coupled. |
