DOOR ASSEMBLY, DOOR LEAF, DOOR LEAF FRAMING AND DOOR-FRAME Russian patent published in 2007 - IPC E06B3/00 

FIELD: construction, particularly window sashes, door leaves or like elements for closing openings.

SUBSTANCE: door assembly comprises door-frame for door opening framing. Door-frame is provided with members defining orifices, hinges, door handle and door leaf. Door leaf includes outer and inner covering plates connected with each other so that cavity is created in-between. Rolling and/or sliding members arranged between the covering plates. The rolling and/or sliding members are adapted to displace outer covering plate with respect to framing. Door assembly also has bearing members for rolling and/or sliding member fixation, which are fastened to at least one covering plate, door leaf framing located in cavity between the covering plates and provided with guiding means. Door leaf framing is movably connected to door-frame by means of hinges. Door leaf is installed so that the door leaf may close opening. Door-frame members are made as inner and outer panels connected with each other. Outer panel has trapezoid orifice with parallel sides having different dimensions. One parallel side defines larger trapeze base, another one forms lesser base. Outer covering plate of door leaf is congruous to outer door-frame orifice and is installed to create locking member with inner and outer covering plates.

EFFECT: extended field of technical means for door assembly production.

4 cl, 18 dwg