| 摘要 |
<p>A head assembly includes a first portion including a first member and a first motor coupled to the first component, the first member configured to rotate about a first axis of rotation. The head assembly also includes a second portion including a second member and a second motor coupled to the second component, the second member configured to rotate about a second axis of rotation, the second axis of rotation being different than the first axis of rotation. The head assembly also includes a third portion including a clamping assembly.</p> |
