Patents by Inventor Vallon E. Dunning

Vallon E. Dunning has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Flexible auto riveter skin/stringer assembly cell
    Patent number: 6085401
    Abstract: A riveting mechanism (10) is disclosed which includes a riveter (26) having a lower upset post (32) with a vertical member (48) mounting a cylinder (50) having a piston (52). At the end of the piston (52) is a roller (54). The cylinder can be actuated to move the piston and roller so that the roller contacts the outer side (66) of a intermediate arm (64) to move a stringer (14) against the lower upset post (32) to precisely locate the stringer relative the skin and lower upset post for riveting.
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: July 11, 2000
    Assignee: Northrop Grumman Corporation
    Inventor: Vallon E. Dunning
  • Flexible auto-riveter skin/stringer assembly cell
    Patent number: 5937502
    Abstract: A riveting mechanism (10) is disclosed which includes a riveter (26) having a lower upset post (32) with a vertical member (48) mounting a cylinder (50) having a piston (52). At the end of the piston (52) is a roller (54). The cylinder can be actuated to move the piston and roller so that the roller contacts the outer side (66) of a intermediate arm (64) of stringer (14) to move the stringer (14) against the lower upset post (32) to precisely locate the stringer relative the skin and lower upset post for riveting.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: August 17, 1999
    Assignee: Northrop Grumman Corporation
    Inventor: Vallon E. Dunning