Patents by Inventor James H. Zurcher

James H. Zurcher 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).

  • Patent number: 3989076
    Abstract: One pulp chip forming crosscut saw includes a saw chain including a U-shaped combined side slitter and raker tooth and a depth gauge carrying a center slitter tooth extending above the side slitter and raker tooth so that the center slitter tooth slits the center of the bottom of the kerf and then the side slitter and raker tooth cuts two rows of pulp chips. A second pulp chip forming crosscut saw includes a carrier member supporting a U-shaped tooth having side slitting side plates and a raker top plate which carries on the top thereof a center slitter. Another pulp chip forming crosscut saw includes a solid block, sloping faced raker having a center slitter on the top thereof and mounted by an undercut interlock on a carrier. Another pulp chip forming crosscut saw includes a solid block, a sloping faced raker carrying a center slitter on its top and a pair of side slitters at the sides of the block.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: November 2, 1976
    Assignee: Pacific Saw and Knife Company
    Inventor: James H. Zurcher