Patents Assigned to Technical Training Tools, Inc.
  • Quick release tension fastener
    Patent number: 6290069
    Abstract: A tension fastener includes a quick release feature. In one embodiment, the fastener has a moveable feature that can be used to maintain a compression force on a coil spring of the fastener. In one embodiment, the moveable feature is a pair of arms attached to the quick release head. The fastener can be used in a manufacturing environment having sifting tables to attach a sifting screen to a frame of the sifting table.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: September 18, 2001
    Assignee: Technical Training Tools, Inc.
    Inventors: Joel R. Schwarze, Charles T. Hausladen