Northrop Corporation

Jack W Moore

Method and assembly for producing shear-resistant attachment between a prefabricated top plate having a plurality of preformed bolt passage holes and a support member having a corresponding plurality of bolt-receiving holes which may be slightly out of alignment with the bolt passage holes in the top plate. The bolt passage holes are oversize and have conical walls, and the bolts have a rounded undersurface which makes line contact with the conical wall when each bolt is tightened into a nut or floating nut plate aligned and/or attached at the undersurface of the support member.

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Fullerton, CA, United States of America

Jack W Moore