MOTOR CAR BACK DOOR Russian patent published in 1994 - IPC

FIELD: transport engineering. SUBSTANCE: motor car back door is made of internal and external panels. External panel is made of separate top and lower parts and of two side connecting strips. Opening for external panel glass is formed by lower edge of its top part, by top edge of its lower part and by edges of connecting strips turned inside the door. Connecting strips of external panel are made i form of trough in cross-section which grows in depth in the area of loops of the door. In the same area connecting strips, top part of external panel and internal panel have permanent joint one to another to form closed cross-section. In the area of lower glass the connecting strips, lower part of external panel and internal panel are connected one to another permanently to form closed cross-section. Side connecting strips are made with stamping in the areas of disposition of rests gas springs for opening doors in the places where nut is used for locking the springs. Internal panel is made with two spokes, disposed in central part. The spokes are disposed according to V-shape and are connected by lintel disposed above the place where lock of the door is mounted. The lintel is connected permanently with external panel to form closed cross-section between the panel and the lintel. EFFECT: improved reliability of locking. 6 cl, 9 dwg