Patents by Inventor Ernest K. Lund

Ernest K. Lund 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: 4193360
    Abstract: A knife block for use in a fine gauge tufting machine carries four knives, disposed in pairs on opposite sides of a central web with their edges engaged in opposed pairs of grooves in the block. The knives are retained in the block by two knurled cylindrical clamping blocks, which are disposed in slots in the block and are pressed by clamping screws into engagement with the edges of the knives.
    Type: Grant
    Filed: November 24, 1978
    Date of Patent: March 18, 1980
    Assignee: Edgar Pickering (Blackburn) Limited
    Inventor: Ernest K. Lund
  • Patent number: 4175497
    Abstract: A knife assembly for a tufting machine includes a knife bar; a plurality of knife blocks mounted side by side on the knife bar; projecting pegs extending from the knife blocks which are each inserted into one hole of a row of uniformly spaced retaining holes in one side of the knife bar; clamping screws for retaining the pegs in the holes; and a row of uniformly spaced pins carried by the knife, or a plate attached to the knife bar, which engage corresponding slots in the faces of the knife blocks from which the pegs project to determine the orientation of the blocks with respect to the knife bar, the pins being laterally offset by the same amount with respect to the retaining holes; and knives mounted in the knife blocks.
    Type: Grant
    Filed: December 6, 1977
    Date of Patent: November 27, 1979
    Assignee: Edgar Pickering (Blackburn) Ltd.
    Inventor: Ernest K. Lund