Patents Assigned to David Hecht
  • Apparatus for cutting ribbon
    Patent number: 4674380
    Abstract: An apparatus for longitudinally cutting a web into a plurality of ribbons has a plurality of blade holders mounted so that the relative spacing as well as the overall lateral position of the blades can be shifted in response to growth, shrinkage, and lateral shifting of webs, while maintaining the blades perpendicular to the direction of travel of the web. The blades are held in holders having the ends interconnected by a parallelogram linkage and clamped to a rigid bar and a flexible extensible rod.
    Type: Grant
    Filed: January 29, 1986
    Date of Patent: June 23, 1987
    Assignee: David Hecht
    Inventors: David Hecht, Steven F. Schultz