| 摘要 |
The present invention relates to a power transmission device for reducing load of a spindle. The power transmission device for reducing load of a spindle comprises: a spindle; a hollow shaft installed by being inserted into the outer circumference of the spindle; a pulley bearing-coupled to the outer circumference of the hollow shaft; and a coupling having a first connection means fixated and coupled to the outer circumference of the spindle by forming semi-circular first holes in the outer circumference at constant intervals, a second connection means fixated and coupled to the pulley by forming second holes corresponding to the first hole in the inner circumference, and an elastic rod inserted into the first hole and the second hole of the first connection means and the second connection means to connect the first connection means and the second connection means. |
