Patent ID: 6390727
Filing Date: 2002-05-21
Classification: E01C

Abstract:
A dowel bar inserter kit for use in combination with a paver wherein the paver includes:a propelling apparatus for moving along a paving path; a supported frame from the propelling apparatus; a paving kit for imparting shape to a plastic concrete slab from freshly placed concrete placed in the path of the paver; the dowel bar inserter kit comprising: at least two laterally extending support beams supported from the supported frame at one end and extending away from and behind the supported frame; a plurality of support carriages, each support carriage for moving synchronously on each laterally extending support beam for moving towards and away from the supported frame of the paver; a suspended dowel bar inserter pan attached at distal ends to the support carriages, the suspended dowel bar inserter pan defining apertures for insertion of dowel bars through the suspended dowel bar inserter pan and having a medial dowel bar inserter pan hinge to enable the suspended dowel bar inserter pan to crown; an inserter beam supported at distal ends to the support carriages, the inserter beam having dowel bar inserters corresponding to the apertures for the insertion of dowel bars through the suspended dowel bar inserter pan and having a medial inserter beam hinge to enable the suspended dowel bar inserter beam to crown with respect to a corresponding crown in the suspended dowel bar inserter pan; apparatus for moving the inserter beam towards and away from the dowel bar inserter pan extending between each carriage and a distal end of the inserter beam; first centering apparatus attached between the insertion beam and the dowel bar insertion pan for registering the dowel bar inserters with respect to the dowel bar apertures; a second centering apparatus attached between the dowel bar inserter pan and the carriages for centering the dowel bar inserter pan with respect to the carriages; and, apparatus for moving the dowel bar inserter pan, inserter beam and carriages towards and away from the paver.