Patent ID: 6698358
Filing Date: 2004-03-02
Classification: E01B

Abstract:
A machine for picking up ties of a track while advancing continuously in an operating direction, the ties having an underside resting on a ballast bed, the machine comprising:a machine frame extending in a longitudinal direction; a tie transport unit disposed on said machine frame and having a receiving end; and a tie pick-up device associated with said tie transport unit and including tie skids configured for permanent immersion in the ballast bed and for supporting ties to be lifted, a tie sliding track adjoining said tie skids and lengthening said tie skids for supporting the underside of the ties, said tie sliding track extending substantially in the longitudinal direction and having a transfer end at said receiving end of said tie transport unit; and an endless transporting chain for transporting the ties from the tie skids to said receiving end of said tie transport unit, said transporting chain comprising engaging members and having upper and lower deflection ends defining a reference line enclosing an angle of less than 90Â° with the ballast bed, with said lower deflection end being positioned ahead of said upper deflection end in the operating direction.