|
(11) | EP 2 743 154 A3 |
(12) | EUROPEAN PATENT APPLICATION |
|
|
|
|
|||||||||||||||||||||||
(54) | Creeping device of movable frog |
(57) Creeping device of the movable toe of frogs consists of the carriage (4) connected
via the tenon (5) with the movable toe (2) of the frog (12) and pushed by a spring
(6) with the wheels (41) to the cam route (3) on the bottom side of the board (9)
detachably connected from bottom to wing rails (1).
|