| 摘要 |
An up- down lift apparatus is provided to elevate a work shelf horizontally by using a vertical operating rod. An up- down lift apparatus comprises the followings: a motor(1) installed on a fixing supporter(2); a vertical operating rod(33) passing though each driving gear box(3a,3b) vertically; a horizontal operating rod(34) passing though each driving gear box horizontally; a horizontal operating rod(43) moving the driving gear box horizontally; and a vertical operating rod(42) passing through the driving gear box to intersect with the horizontal operation rod. |
