SYSTEM WITH MOVABLE COMPONENT Russian patent published in 1998 - IPC

FIELD: mechanical engineering. SUBSTANCE: system with movable component has support of movable component 1 on lower guide profiled member 5. Operation is performed by means of guiding wheel units 8, 9 located on lower side 3. Connected to lower side is vertical wheel unit 8 which accommodates vertical wheel 15. Diameter of aforesaid wheel is less than inner lateral dimension of lower guide profiled member. Plane of rotation is located in one vertical plane with center of wheel axle 10. Lower guide profiled member 5 in its base has slot 16 facing upwards. Edges of this slot serve as rolling surfaces for vertical wheel 15. Vertical wheel 15 and slot 16 are so adjusted to each other that when plane of rotation of vertical wheel becomes parallel to slot, vertical wheel partially enters this slot. In result, at turning of movable component at point of hinge for positioning at some angle relative to guide profiled members, vertical wheel 15 which is fixed relative to movable component is turned to similar angle relative to longitudinal direction of slot 16 and is raised upwards along its edges. This causes mutual engagement of first coupling component 13 and second coupling component 14 which is achieved due to their configuration. Aforesaid embodiment of system allows for simplified design and automatic locking of movable component. EFFECT: higher efficiency. 9 cl, 11 dwg