Patent ID: 8322034

Claim:
A method for the insertion and withdrawal of a plug-in module with a front panel into and out of a module carrier respectively, the method comprising: providing an apparatus, comprising: a pivotable lever arm comprising a handle portion; a locking element for locking the lever arm in an inwardly pivoted position; and an operating element for manually unlocking the lever arm, wherein the operating element is spaced apart from the lever arm so that the simultaneous operation of the operating element and the lever arm with a single hand is impeded; withdrawing the plug-in module by: manually unlocking the lever arm by means of the operating element; and subsequently manually outwardly pivoting the lever arm by means of the handle portion; and inserting the plug-in module by inwardly pivoting the lever arm with the handle portion, until the handle portion contacts the front panel such that the lever arm is automatically locked by the locking element.