Positioning device for positioning end section of arm at sample tube utilized in biotechnological field to store sample liquid, has supporting element coercively guided in direction by edge or groove provided in or at framework of table

摘要

The device has a drive unit (9) provided below a table (1) and connected to a framework (1a) of the table. The drive unit is provided with a translational sliding carriage (10) that is movable in a direction. A lever (12) has an end that is connected with the sliding carriage by a rotation shaft (11), and another end connected to a rotatable supporting element (13). The supporting element is coercively guided in another direction by an edge or a groove (2) that is provided in or at the framework.