Patent ID: 6149342
Filing Date: 2000-11-21
Classification: E01C

Abstract:
For use with a stabilizer machine for pulverizing a road bed, the machine having a rotating cutter drum, cutters mounted to the drum, a cutter housing enclosing a portion of the rotating cutter drum, a plurality of nozzle ports extending the width of the cutter housing and ganged spray nozzles operating between an actuated position wherein the nozzles cooperate with the nozzle ports to permit injection of liquid material in the cutter housing and an unactuated position wherein the ganged nozzles are disengaged from the nozzle ports, the improvement comprising: a anti-bridging mechanism structurally arranged to engage the nozzle ports to seal the nozzle ports from pulverized road bed material when the nozzles are in the unactuated position.