| 摘要 |
PURPOSE: A conveyer having a belt tension control piece is provided to control the tension of a belt by moving a roller on a frame having a roller hung with the belt. CONSTITUTION: The tension control device comprises:a connection member(10) having a long hole(2) formed toward a certain direction of the frame and inserted into one side of the long hole to be able to move, and having a roller(11) having its one side hung on a belt(3) and to be able to rotate; a driven member(20) combined to other side of the combining member and having a driven gear part(22) formed on its bottom, combined to the frame by being penetrated by a bolt(40) which is a combining member, and having a long hole(21) formed lengthwise on the position where the bolt is combined; and an operation lever(30).
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