| 摘要 |
<p>The device has a support (38) to retain a wrapping central roller, which is movable between a loading position and an operating position. An operating device (50) loads the central roller by a roller (100) during the wrapping operation. An activating unit activates the operating unit depending upon the position of the support. A narrow open-loop is provided in the connection between the operating device and support.</p> |
