FIELD: construction.
SUBSTANCE: aim is attained by using special hardware, providing unimpeded sliding of window (door) units relatively to shrinkable wall while providing at the same time a secure fit of windows and doors relatively to the plane of window (door) openings.
EFFECT: simplification of assembly procedure of window units into the openings made in the walls from beam or log of natural humidity.
6 cl, 3 dwg
Authors
Dates
2014-07-20—Published
2012-12-04—Filed