Patent ID: 7168663
Filing Date: 2007-01-30
Classification: B61L

Abstract:
1. A switch actuator for movable frogs, comprising at least one cylinder piston unit having a defined preset piston stroke, wherein the cylinder piston unit ( 5 ) is connected with bearings ( 6 ) capable of being displaced relative to said cylinder piston unit ( 5 ) in an axial direction ( 31 ) of the piston stroke, said bearings are connected to a stationary substructure by an adjusting means for adjusting a defined center position of the piston stroke and a driver for a movable frog ( 1 ), and the driver for the movable frog ( 1 ) is coupled with the cylinder piston unit with first stops ( 9 ) being interposed between the cylinder piston unit ( 5 ) and the movable frog ( 1 ), said first stops being displaceable in the axial direction of the piston stroke.