Similar Tool-faces Patents (Class 72/416)
  • Patent number: 3940970
    Abstract: A conventional drill press is provided with an eyeletting attachment to ele connector-type eyelets to be mounted in an electronic circuit board. The eyeletting attachment includes a pair of readily attachable tool holders; a movable upper holder attachable to the drill press quill, and a fixed lower tool holder attachable to the drill press stand, between which the workpiece is positioned and worked.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: March 2, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Leonard G. Terral, Ephraim Regelson, William E. Sake, Ronald J. Matusiak, William L. Rea
  • Patent number: 3937050
    Abstract: An apparatus for constricting or closing a conduit comprises a pair of generally parallel clamp frames opening in the same direction and disposed at a separation such as to accommodate the conduit between them, the clamp frames being formed in one side of their opening with a recess in which fits a stationary clamp member and being secured on their other side to a fluid operated ram that actuates a movable clamp member towards the stationary clamp member. After operation of the ram the two clamp members are fastened together, eg by bolts, and then the ram is retracted. The clamp members can then be removed from the clamp frames.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: February 10, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventor: James Nicholson