Patent ID: 6511024
Filing Date: 2003-01-28
Classification: B61L

Abstract:
Switch box for a track comprising at least four blades, a drive unit (M, 3, 4, 5, 5â€², 5â€³, 5â€²â€³, 6) for driving the blades (A1, A1â€², A2, A2â€²), and at least one group (12, 18, 120, 21, 24) of linear transmission for transferring a drive motion to the blades, movable means (24, 124) to lock the blades in their respective position of closure, the at least one group of linear transmission being housed in a box (1), the box having substantially dimensions and shape of a sleeper and is fitted in the track in place of a sleeper for functioning as a sleeper and the movable means (23, 24, 124) for locking the blades (A1, A1â€², A2, A2â€²) in their respective position of closure being housed in the box.