| 摘要 |
<p>The device has a hollow body (5) forming a housing for a product. A base (7) supports the product, and driving units (51) drive the base in translation in a manner to vary volume of the housing. The driving units have a thumb wheel (9) that is mounted movably in rotation around an axis (17) and displaceable along the body in a manner to be integrated to the base. The wheel has a portion that alternatively forms a solicitation surface configured for being stressed by manual contact, and an activation surface is configured for being gripped along the body.</p> |
