DOOR (VERSIONS) Russian patent published in 2000 - IPC

FIELD: equipment of buildings and rooms, particularly, habitable rooms. SUBSTANCE: according to the first version, door includes framework formed by stiles of door leaf and top and bottom rails and panels. Top and/or bottom rails have removable plugs from external end horizontal side. Plugs are T-shaped in cross-section. Rails have central, vertical through recesses to pass changeable panels installed through recesses of rails. Longitudinal vertical part of plugs is made according to recess thickness of rails. Stiles have longitudinal recesses from internal end sides for installation of changeable panels into them. According to the second version, door has framework formed by stiles of door leaf and top and bottom rails and panels. Stiles have beads from both sides of door leaf. Beads are made removable from one or both sides and are in the form of bead-latch with fixing device. Changeable panels are chamfered at an acute angle towards central beam having from both sides longitudinal end recesses for installation of changeable panels. EFFECT: higher adaptability to operation and to varied design of rooms with installed doors. 9 cl, 26 dwg