Abstract: A blind fixation device for attaching an assembly of a pre-drilled member set that includes a rod defining a traction mandrel, a first bushing, and a second deformation brushing. The second deformation bushing is capable of deformation on an inaccessible side of the set of pre-drilled members between the head of the mandrel rod and the end portion of the first bushing. The first bushing is capable of bearing on the accessible side surface of the set of pre-drilled members to be assembled, and is capable of radial deformation so as to come in close contact with the drilling profile of at least one pre-drilled member when, upon assembly, the portion of the mandrel rod initially in the second bushing enters the first bushing.

Abstract: A blind fixation device for attaching an assembly of a pre-drilled member set that includes a rod defining a traction mandrel, a first bushing, and a second deformation brushing. The second deformation bushing is capable of deformation on an inaccessible side of the set of pre-drilled members between the head of the mandrel rod and the end portion of the first bushing. The first bushing is capable of bearing on the accessible side surface of the set of pre-drilled members to be assembled, and is capable of radial deformation so as to come in close contact with the drilling profile of at least one pre-drilled member when, upon assembly, the portion of the mandrel rod initially in the second bushing enters the first bushing.