Patent ID: 7309050

Claim:
Grooved rail frog ( 10 ) including a frog intersection region ( 16 ) formed by intersecting grooves ( 12 , 14 ) as an overrun region as well as two construction profiles ( 18 , 20 ), extending in the longitudinal direction of the frog and being connected with each other, with outer fishplate chambers ( 22 , 24 ) with lining pieces ( 30 , 32 ) arranged in the chambers, the lining pieces being connected non-positively with the construction profiles by means of at least one tightening element ( 34 ) penetrating the lining pieces and the construction profiles, wherein the frog intersection point region comprises an interchangeable insert ( 36 ), which is arranged non-positively in a recess, wherein the recess accommodating the insert ( 36 ) is delimited by segments of the lining pieces ( 30 , 32 ) arranged in the outer fishplate chambers ( 22 , 24 ) of the construction profiles ( 18 , 20 ), and wherein the insert is fixed in place in relation to the lining pieces.