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:
May. 19, 2026
Filed:
Sep. 23, 2022
Pratt & Whitney Canada Corp., Longueuil, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A fastening system for an aircraft includes first and second parts of the aircraft, a bolt hole including a bolt countersink and being defined by a bolt hole surface of the first part, a nut hole including a nut countersink and being defined by a nut hole surface of the second part, a bolt having a shank including threads, and a bolt head with an undersurface complementarily shaped to the bolt countersink, and a nut having threads and having a nut chamfer complementarily shaped to the nut countersink, the shank being dimensioned relative to the first and second parts, the bolt hole and the nut hole such that the shank is spaced from one of or both of the bolt hole surface and the nut hole surface. A method of fastening a first aircraft part with a second aircraft part using a bolt and a nut is also described.