coupled with a tool fig4 further shows that the cup insert 36 can be inserted into the hinge cup 31 whose function is described below with reference to fig6 a 6e fig5 shows the bolt chamber 220 with the adjustment screw 91 92 from a different angle the mounting bolt 8 which is connected to the lever block 323 of the hinge lever 32 can be inserted from the front side into the bolt chamber 220 the chamber opening 2201 that is provided on the front side is designed in such a way that the front side of the hinge lever 32 that is held by the mounting bolt 8 can be turned to the left and to the right fig5 a shows the detached hinge lever 32 which is held by the mounting bolt 8 and the adjustment screws 91 92 in straight alignment fig5 b shows the hinge lever 32 which is held by the mounting bolt 8 and the adjustment screws 91 92 inclined the longitudinal axis x 8 of the mounting bolt 8 and the longitudinal axis x 9 of the adjustment screws 91 92 are located a lever distance u201c h u201d apart from one another by turning the adjustment screws 91 92 the hinge lever 32 can be turned with the result that the distance u201c a u201d between a line which runs in parallel to the running rail 4 and which intersects the longitudinal axis x 8 of the mounting bolt 8 and the holding.