| 摘要 |
<p>The holders (40, 50, 60) have removable fixing units received in a removable manner by a guard rail device of a footboard system, where each holder is arranged to slide along the guiding units and comprises sufficient low width to allow the guard rail device to receive simultaneously two tool holders of the tool holder. The removable fixing units cooperate with translation guiding units (44) of a guard rail device. An independent claim is also included for a footboard system, comprising a guidance unit.</p> |
