| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To easily adjust the height position of a worktable (and an instrument holder) by allowing a single worker to open/close the locking by a foot operation and adjust the height position of the worktable by a hand operation. <P>SOLUTION: A foot operation lever 10 is provided for adjusting the height of the worktable 2 (and the instrument holder 3) in a dental treatment unit. The foot operation lever 10 is pressed down to move a suspension portion 7<SB>1</SB>provided in an arm 7 extending from the side of the worktable 2 relative to a vertical portion 6<SB>1</SB>of an arm 6 extending from the side of the base 5 and adjust the height position of the worktable 2. After the adjustment, when the press-down force of the lever 10 is released, the suspension portion 7<SB>1</SB>is locked to the vertical portion 6<SB>1</SB>. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
