Patents by Inventor Edward F. Plach

Edward F. Plach 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).

  • Core chuck
    Patent number: 4160530
    Abstract: A core chuck is disclosed which employs a set of expandable jaw sections. The jaw sections are expandable by operation of an adjusting pinion to which the jaw sections are connected by means of a keyway element. The chuck may be attached to a shaft or bearing stand by means of an adaptor plate.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: July 10, 1979
    Assignee: Appleton Machine Company
    Inventor: Edward F. Plach
  • Expandable chuck for winding web material on a core
    Patent number: 4079896
    Abstract: An expandable chuck is attached to a rotating mandrel by means of a locking ring. The chuck includes arbor and shoe segments in camming relationship whereby relative movement is effective for increasing the effective diameter of the shoe segments. A core upon which a web material is to be wound is placed over the shoe segments which are then extended by rotation of an adjusting nut to secure the core to the shoe segments. For high torque applications a pair of chucks may be employed.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: March 21, 1978
    Assignee: The Appleton Machine Company
    Inventor: Edward F. Plach