Patents by Inventor John C. Greczin

John C. Greczin 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: 4003220
    Abstract: A circular knitting machine of the type providing a reinforcement of knit tubular fabric for flexible hose including a plurality of circumferentially spaced, vertically reciprocating needles. A yarn guide holder is rotatable with the machine relative to the knitting needles and carries vertical supports for connection of a hold down ring. The hold down ring including a needle guide portion affixes to the yarn guide holder and is vertically adjustable relative to the yarn guide holder for gap adjustment purposes. The hold down ring and the needle guide portion is rotated by the machine relative to needles simultaneously with the rotation of the yarn guide holder in a manner to assure even wear upon the needle guide portion which may be caused by repeated contacts by the knitting needles.
    Type: Grant
    Filed: January 20, 1975
    Date of Patent: January 18, 1977
    Assignee: Knitting Machinery Corporation of America
    Inventor: John C. Greczin
  • Patent number: 3930385
    Abstract: In a circular knitting machine, a self-balancing, circular bobbin table which has formed therein a circular groove within which a plurality of balls freely roll to dynamically balance the table as it is rotated during the knitting operations.
    Type: Grant
    Filed: January 20, 1975
    Date of Patent: January 6, 1976
    Inventor: John C. Greczin