Patent ID: 7347514

Claim:
A device for lock-fixing an apparatus comprising a front face, and at least two lateral sides designed to be mounted in a rack comprising side walls along which the lateral sides of the apparatus are inserted, said device comprising: first and second fixing elements respectively, securable to the two lateral sides of the apparatus and to the side walls of the rack, the first element being moved by operating a handle in order to interact with the second fixing element to fix the apparatus in the rack, a mechanism for locking said handle, the handle having a gripping member connected to a handle body situated on a lateral side of the apparatus, wherein; the locking mechanism comprises a sliding hook situated on one of the lateral sides close to an edge of the front face, a compression spring associated with an abutment used to hold the hook in an abutment position for positioning the handle in a locked position, and a pushbutton secured to the hook and situated on the front face of apparatus allowing a user to retract the sliding hook to unlock the handle, wherein in the locking phase, the handle being operated by the user in a rotary movement to fix the apparatus, the handle body moves along the lateral side comprising the hook, retracting said hook, thus freeing said handle to pass, after the passage of the handle, the compression spring repositions the hook in the abutment position in order to return the handle to the locked position.