Pothole patcher

In a road repair truck of the type having a vehicle frame amounted on a pair of front wheels and a pair of rear wheels, an aggregate material hopper on said vehicle frame, a conveyor screw in the hopper bottom, means for driving said screw, a conveyor tube forming the bottom of said hopper and extending from the forward end of said hopper and within which said conveyor screw is disposed, and a vertically disposed discharge chute connected to the forward end of said conveyor tube and having a discharge outlet extending downwardly below the conveyor tube beyond the front end of said vehicle frame for dispensing aggregate material therefrom, said conveyor screw conveying aggregate material from said hopper to said discharge chute for deposit in a pothole to be repaired, means for applying asphalt coated aggregate to the road to be repaired comprising

• a first air inlet formed on the discharge chute between the conveyor screw and the discharge outlet,
• means for applying a flow of air to the air inlet so as to create a helical downward flow of aggregate material in the chute,
• an asphalt outlet disposed at the discharge outlet, and
• means for applying heated asphalt under pressure to the asphalt outlet,
• said asphalt outlet being disposed with respect to the discharge chute outlet so that, upon the aggregate material passing through the discharge outlet, asphalt from the asphalt outlet is sprayed thereon.