| 摘要 |
In a switch including a main track and a branch track, wherein one rail of each track is each configured as a tongue rail and movable into abutment on the respective stock rail, at least one stock rail ( 1 ), in its region of abutment on the tongue rail ( 2 ), is designed to have a reduced rail head width as compared to the region located outside said region of abutment, wherein the rail head width, starting from the tip ( 3 ) of the tongue, decreases as far as to a point ( 4 ) at which the carrying wheel comes into lateral contact with the tongue rail ( 2 ) and increases in the region following thereupon, and that the tongue rail ( 2 ) is designed to be reinforced in cross section towards the stock rail ( 1 ) according to the reduction in the width of the stock rail head.
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