Patent ID: 7513024

Claim:
A method for repairing a crack in a structural workpiece comprising: forming a first hole into a surface of a structural workpiece to be repaired on a first side of a crack; forming a second hole into said surface of said structural workpiece to be repaired on a second side of said crack opposite said first side; forming a slot into said surface of said structural workpiece of a length sufficient to connect said first hole and said second hole; after forming said slot, assembling a cammed drawbolt assembly by: threading a first dowel threaded to a first threaded end of a drawbolt; and connecting a cammed dowel having a through-hole and cammed slot to a shaped head disposed at an other end of said drawbolt and spaced from said first dowel by a length corresponding to the length of said slot; installing a cammed drawbolt assembly entirely within said holes and slot in said structural workpiece; drawing said crack closed by actuating said cammed drawbolt assembly into a closed position; and securing said drawbolt in said closed position.