Patents Assigned to Exacto Spring Corporation
  • Piston pin retainer and method of using the same
    Patent number: 6412393
    Abstract: A piston-retaining mechanism for removable engagement with a piston head to secure a piston pin therein, the mechanism including a base coil portion and a subsequent coil portion, each coil portion approximating the other at a distance less than the cross-sectional dimension of either coil portion.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: July 2, 2002
    Assignee: Exacto Spring Corporation
    Inventor: William J. Heitz