PROBLEM TO BE SOLVED: To enlarge the range in which the rail height is adjustable, in a rail linking apparatus, without causing deterioration and damage to component parts ofthe apparatus.
SOLUTION: A tie plate 1 is used for a rail linking apparatus, which has shoulders 2 being placed at right and left locations of a rail bottom 13, for receiving horizontal pressure applied on a rail 11. An adjusting packing for adjusting the height of the rail 11 is interposed between the right and left shoulders 2, to set the height of the rail 11. Thus, even if the height of the rail 11 is raised, horizontal pressure applied to the rail is not applied to a plate spring 4, to thereby prevent buckling of the plate spring. Further, by using auxiliary springs 5 each having legs which are different in height, a linking nut 7 always receives only an axial force of a linking bolt 6, and therefore the linking bolt is not subjected to an excessive bending stress, which prevents buckling of the linking bolt.