| 摘要 |
<p>Apparatus for extending and retracting a flexible and extensible tubular hose An apparatus (100) for extending and retracting a flexible and extensible hose comprises a first flexible and extensible tubular hose, which is received in the housing of a support structure (3), and actuation means (5) associated with said support structure (3) to support and guide the extending or retracting movement of said first hose (2) from and toward said housing. The above mentioned actuation means include a plurality of drive belts (5) in circumferentially spaced relation around the first hose, and a corresponding plurality of respective electric motors (6) which are independent of one another.</p> |
