| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a safe elevating table which has a neat designed pantographic elevating mechanism, has no vertical play or backlash when a top plate is lifted, prevents acceleration of the elevating speed, controls it at the top plate and prevents finger pinch. <P>SOLUTION: Pantographs 16, 19 comprise three pieces and the middle pantograph 19 is a thick pipe. A movable side gas cylinder 30 is installed near an elevating frame 13, not installed with a base frame 15. A slide fitting 28, a movable part 25 of the pantographs, the fixed side gas cylinder and a gas cylinder driving fitting 14 of the elevating frame 13 are connected with pins each other, and the slide fitting 28 sticks and always keeps parallel to the top plate. The gaps between the crossing pantographs 16, 19 are made the dimension preventing finger pinch, and the gaps between the base frame 15, the elevating frame 13 and the respective pantographs 16, 19 are made safe dimension too. <P>COPYRIGHT: (C)2012,JPO&INPIT |
