| 摘要 |
An insertion and removal system in a plug-in unit includes a handle-extension slide element inserted freely into the lever part in an advance or retreat direction to slide in a longitudinal direction of the lever part between an extension position extended from a length of the lever part at the maximum and a shrinkage position nearly corresponding to the length of the lever part; and a locking element arranged on the handle-extension slide element and the front panel, the locking element for locking the handle-extension slide element slid to the shrinkage position on the front panel. <IMAGE> |
