The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 27, 1999
Filed:
Mar. 09, 1998
Thomas O Blankenship, O'Fallon, MO (US);
James L Morrison, O'Fallon, MO (US);
Robert O Becker, Florissant, MO (US);
McDonnell Douglas Corporation, St. Louis, MO (US);
Abstract
The wedgelock of the present invention prevents the separation of structural members during drilling or other fabrication operations on structural assemblies with curved surfaces or thickness variations and precludes the formation of burrs and delaminations which might result from such separation. The wedgelock also permits more precise and repeatable hole and other feature fabrication by more precisely locating an alignment fixture, such as a drill plate, relative to a structural assembly upon which fabrication operations are to be performed. The bushed spring loaded wedgelock comprises a standard, commercially-available wedgelock modified by attaching a bushing within which a spring loaded spacer is telescopically mounted. Like a standard wedgelock, the bushed spring loaded wedgelock is inserted through collinear holes in a drill plate or other alignment fixture and a structural assembly to clamp the assembly to the fixture. Even when used with a structural assembly with curved surfaces or thickness variations, the bushed spring loaded wedgelock clamps structural members together by forcing a spring loaded spacer against the front surface of the structural assembly while the shoulders of the wedgelock arms engage the rear surface of the structural assembly. A variety of wedgelock sizes and designs can be constructed to accommodate a range of alignment fixture, tooling hole and structural assembly geometries.