Patents by Inventor Willard E. W. Krick

Willard E. W. Krick 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: 3992772
    Abstract: A device and method for simplifying the placement of electronic components in printed circuit boards are provided, the apparatus including an illuminated work area for illuminating openings in a mask transported across the work area. A load roller and a take-up roller, along with associated guide rollers, are arranged on opposite ends of the work area. The continuous, programmed mask is arranged in individual frames. The mask is carried across the work area by the rollers, which are driven by suitable drive means. Each frame of the mask has a number of light passing openings or markings made in it, the openings, in turn, permitting the illumination of corresponding openings in at least one printed circuit board (PCB) mounted over the mask, the PCB requiring component part insertion. The mask also has position indications on it which are read to position the mask for each frame.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: November 23, 1976
    Assignee: McDonnell Douglas Corporation
    Inventors: Robert M. Scannell, Willard E. W. Krick, Edward R. Windish