Patents Assigned to David P. Roberts
  • Patent number: 4280641
    Abstract: A cloth snag repair tool is described for removing snags from one side of a cloth. The tool includes a shaft having a length between 60 mm and 90 mm and a maximum diameter between 0.635 mm and 1.65 mm. The shaft has a cloth penetration surface section beginning at a pointed forward end. The cloth penetration surface section has low frictional surface characteristics to enable the shaft to be initially easily inserted into the cloth at a snag location without substantially disturbing the snag. The shaft has a frictional surface section intermediate the cloth penetration surface section and a rear end. The frictional surface section has high surface characteristics to engage and frictionally draw the snag through the cloth as the shaft is forced through the cloth. In a preferred form, the frictional surface section is machine roughened with diamond shaped knurls covering between one third and two thirds the length of the shaft.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: July 28, 1981
    Assignee: David P. Roberts
    Inventor: Dan P. Eacret