Patent ID: 6890125
Filing Date: 2005-05-10
Classification: E01C

Abstract:
1. A screed system for a paving apparatus for screeding pavement at a desired paving height, comprising: a first screed, said first being elongated and configured to move to a predetermined paving height; a second screed, said second screed being elongated and movable longitudinally outwardly with respect to said first screed; said second screed being configured to move to said predetermined paving height; a first link pivotally connected to said first screed and pivotally connected to said second screed; a second link pivotally connected to said first link and pivotally connected to said second screed; an actuator connected to said first screed for selectively moving said first screed to said predetermined paving height; said first link and said second link being configured for automatically moving said second screed to substantially said predetermined paving height upon said first screed being moved to said predetermined paving height; a tow bar, said tow bar having a first pivotal connector pivotally connecting said tow bar to said first screed and a second pivotal connector pivotally connecting said tow bar to said second link; said first pivotal connector and said second pivotal connector defining a first distance therebetween; and wherein said first link includes a third pivotal connector for pivotally connecting said first link to said first screed and a fourth pivotal connector for pivotally connecting said first link to said second link; said third pivotal connector and said fourth pivotal connector defining a second distance therebetween; and wherein said first distance and said second distance are substantially equal.