| 摘要 |
<p>In an operating head, a tool assembly (3) is provided with an inlet shaft (7) engaged on an electrospindle (2) and pivotally engaged through a corresponding containing casing (8), which is oriented about a longitudinal axis (5) of the electrospindle (2) by means of an electric motor (9) coaxially mounted to the axis (5) and provided with a rotor (11) coupled in an angularly fixed manner to the casing (8) itself.</p> |
