| 摘要 |
<p>A writing instrument, notably a pen, comprising a body (1a, 1b) characterized in that this body or a fitted piece comprises at least one housing (6) having a transparent outer wall (7). The height of this housing (6) between its bottom and said transparent outer wall (7) is substantially constant, at least one movable decorative element (9) such as a diamond being movably mounted inside said housing (6), at least one of the dimensions of the movable element perpendicular to said height being substantially less than the corresponding dimension of the housing (6). This movable decorative element (9) is mounted in a support comprising two guide surfaces (10a, 10b) adjacent to the said bottom (6a) and to said transparent wall (7) respectively, these surfaces allowing random movement in translation and in rotation of said decorative element (9) about itself inside said housing (6).</p> |
