Patents by Inventor Lawrence J. Werstler

Lawrence J. Werstler 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).

  • Varying the drop of sheets into a hopper
    Patent number: 4180259
    Abstract: Signatures fresh from the printing press are fed in a shingled stream toward and then dropped one by one into a hopper which may feed a gathering chain. The signatures are "broken" (unstuck) by first stacking them edgewise on horizontal support, shingling them in a constant stream by an unusual form of suction feed, bending the shingled stream and thereafter cascading the stream into the hopper.
    Type: Grant
    Filed: March 21, 1978
    Date of Patent: December 25, 1979
    Assignee: McCain Manufacturing Co.
    Inventors: Elmer Bewersdorf, James F. Cosgrove, Thomas R. Flavin, Edward Gallagher, Willam B. Mc Cain, Ronald W. Weller, Lawrence J. Werstler
  • Sheet feeders
    Patent number: 4177982
    Abstract: Signatures fresh from the printing press are fed in a shingled stream toward and then dropped one by one into a hopper which may feed a gathering chain.The signatures are "broken" (unstuck) by first stacking them edgewise on a horizontal support, shingling them in a constant stream by an unusual form of suction feed, bending the shingled stream and thereafter cascading the stream into the hopper.
    Type: Grant
    Filed: February 24, 1977
    Date of Patent: December 11, 1979
    Assignee: McCain Manufacturing Corporation
    Inventors: Elmer Bewersdorf, James F. Cosgrove, Thomas R. Flavin, Edward Gallagher, William B. McCain, Ronald W. Weller, Lawrence J. Werstler