Tool for installing door or window frame in wall opening comprises frame carriage able to slide along wall and frame guide held in window frame upright

摘要

The tool comprises a downward opening frame carriage (1) able to rest on the wall and cover it with a play allowing it to slide along the wall. A frame guide (2,3) opening on one side is fitted and held in a frame upright in a pre-specified position relative to the wall. The guide and carriage frame are rigidly connected either side a corresponding plane during the installation in the wall opening vertical plane.