Patent ID: 7571681
Filing Date: 2009-08-11
Classification: E01B

Abstract:
1. An apparatus for simultaneous removal of an old railroad tie that is part of an existing railroad track with a new railroad tie comprising: a first railroad car movable along said existing railroad track and operable to place a new tie onto a region adjacent the existing railroad track and end-to-end adjacent to an existing railroad track tie as the first railroad car moves along said existing track; a second railroad car and a third railroad car, said third railroad car and said second railroad car being joined together and said third railroad car being joined with said first railroad car whereby said railroad cars are movable together along said existing rack; said third car being movable with said first railroad car and being operable to lift the railroad track thereunder and remove the old tie from the existing railroad track and replace it with a new tie placed by the first railroad car as said first railroad car and said third railroad car are moving along said existing track; said second railroad car movable along said existing track with said first railroad car and said third railroad car and operable while moving to pick up an old tie that has been replaced by a new tie by said third car.