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.

Date of Patent:
Sep. 05, 1978

Filed:

Dec. 30, 1976
Applicant:
Inventor:

Joseph G Falcioni, Tacoma, WA (US);

Assignee:

The Boeing Company, Seattle, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
85 / ; 403388 ; 403284 ;
Abstract

A fastening system having a continuously curved countersink section in an aperture through a plurality of workpieces, with a corresponding pin-fastener having a continuously curved head portion substantially congruent to the continuously curved countersink. Pin fasteners and bolts equipped with the continuously curved head surfaces taught herein when mated with a continuously curved countersink provide sufficient resistance to fastener pull through, cause cold working of the workpiece around the countersink, and impose an elastic load upon the workpiece and fastening strengthing the joint.


Find Patent Forward Citations

Falcioni, Joseph. (1978). Continuously curved fastener head and countersink have interference fit (U.S. Patent No. 4111580). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4111580

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…