Edward L Pierce

US Patent:

53183940, Jun 7, 1994

Filed:

Jul 30, 1992

Appl. No.:

7/921748

Inventors:

Edward C. Pierce - Swarthmore PA
Arthur E. Watson - Wilmington DE

Assignee:

The Boeing Company - Seattle WA

International Classification:

B23B 4902

US Classification:

408 72B

Abstract:

A tool for locating the positions where holes are to be drilled in a contoured workpiece includes several thin, flexible plates stacked on one another, conforming to the contour of the workpiece, and held together by fasteners. The intermediate plate has holes through its thickness sized to receive the nose bushing of a drilling machine, the holes being spaced along the length of the workpiece. The innermost plate, which contacts the workpiece and the outermost plate, include slotted holes aligned with the holes of the intermediate plate.

US Patent:

51932601, Mar 16, 1993

Filed:

Oct 31, 1991

Appl. No.:

7/784322

Inventors:

Edward C. Pierce - Swarthmore PA

Assignee:

The Boeing Company - Seattle WA

International Classification:

B25B 1900

US Classification:

294265

Abstract:

A device for extracting pins from an assembly by forcing the end of the pin into a swaging member, deforming the pin and firmly gripping it in the device. An impact force is then applied to the device to remove the pin from the assembly.