| 摘要 |
PROBLEM TO BE SOLVED: To provide a hoisting mechanism which can get long elevating length while preventing upsizing of height position alteration means.SOLUTION: A hoisting mechanism LM to make a top board 2 as a pedestal go up and down with respect to a base 1 comprises: a gas spring 5 as height position alteration means attached to the base 1; a link member 6 which is supported by the gas spring 5 and is lifting means supporting the top board 2; and interlock means IM making action of the link member 6 link to alteration of the height position of the gas spring 5, and is structured to raise the height of the top board 2 by the link member 6 as the height become larger by the gas spring 5.SELECTED DRAWING: Figure 7 |
