| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a low-maintenance cover opening and closing device which is easily operated as a housing cover of a laboratory or the like (particularly, centrifuge), and can obtain a large holding force with a relatively small space. <P>SOLUTION: The cover opening and closing device comprises a holding and guiding plate 2, wherein many compositions, particularly a fluctuation member 18 and an opening and closing hook 12 are arranged on the holding and guiding plate 2. On the rear side (right side in figure) of the holding and guiding plate 2, a driving apparatus 4 such as an electric or a hydraulic motor is disposed, and the driving apparatus 4 drives an eccentric driving shaft 3 via a deceleration and a direction transmutation gear. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
