Aggregate feed for road surfacing machinery

• US 3,228,310 A
• Filed: 10/18/1962
• Issued: 01/11/1966
• Est. Priority Date: 10/18/1962
• Status: Expired due to Term

• Current Assignee: Horace A. Cartwright
• Original Assignee: Horace A. Cartwright
• Inventors: Cartwright, Horace A.
• Application Number:
  US04/231,396
• Time in Patent Office: 1,181 Days
• US Class Current: 404/110
• CPC Class Codes: E01C 19/21 for simultaneously but separately applying liquid material and granular or pulverulent material, e.g. bitumen and grit, with or without spreading with rolling E01C19/4813; for filling grooves and gritting the filling

Claims

6. ROAD SURFACING APPARATUS, COMPRISING IN COMBINATION, A WHEEL SUPPORTED CHASSIS HAVING A FRONT END, AN AGGREGATE CARRYING RECEPTACLE ON SAID CHASSIS AND HAVING A DOWNWARDLY DIRECTED OUTLET, MEANS BELOW SAID OUTLET FOR RECEIVING AGGREGATE FROM SAID OUTLET AND EJECTING THE AGGREGATE FORWARDLY IN THE DIRECTION OF MOVEMENT OF THE CHASSIS AND DOWNWARDLY ONTO AN UNDERLYING ROAD SURFACE, A WHEEL SUPPORTED BY THE CHASSIS ADJACENT TO THE FRONT THEREOF FOR MOVEMENT INTO AND OUT OF ENGAGEMENT WITH AN UNDERLYING ROADWAY AT A LOCATION FORWARDLY OF AND IN CLOSE PROXIMITY TO THE AGGREGATE EJECTING MEANS, TO BE ROTATED BY CONTACT WITH THE ROADWAY DURING FORWARD MOVEMENT OF THE APPARATUS, FLUID PRESSURE OPERATED MECHANISM SUPPORTED BY SAID CHASSIS AND OPERATIVELY CONNECTED WITH SAID WHEEL FOR EFFECTING SAID MOVEMENT OF SAID WHEEL IN ONE DIRECTION RELATIVE TO THE UNDERLYING ROADWAY, SPRING OPERATED OTHER MECHANISM SUPPORTED BY SAID CHASSIS AND OPERATIVELY CONNECTED WITH SAID WHEEL FOR EFFECTING SAID MOVEMENT OF SAID WHEEL IN A REVERSE DIRECTION RELATIVE TO THE UNDERLYING ROADWAY, AND MECHANISM OPERATIVELY CONNECTING SAID WHEEL WITH SAID AGGREGATE EJECTING MEANS BY WHICH THE AGGREGATE EJECTING MEANS IS MADE OPERATIVE BY SAID WHEEL WHEN THE LATTER IS ROTATED BY ENGAGEMENT WITH THE ROADWAY.