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:
Mar. 31, 2020
Filed:
Jan. 13, 2017
Applicant:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Inventors:
Bryan K. Baskin, Arlington, TX (US);
Robert Higbie, Haslet, TX (US);
Frank P. D'Anna, Seymour, CT (US);
Ryan Smith, Fort Worth, TX (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/48 (2006.01); B64C 27/10 (2006.01);
U.S. Cl.
CPC ...
B64C 27/48 (2013.01); B64C 27/10 (2013.01);
Abstract
An attachment assembly for coupling a rotary blade to a hub includes a hollow shear pin, a nut cap, and a tensioning fastener. The hollow shear pin defines an attachment axis. The nut cap abuts the shear pin along the attachment axis. The tensioning fastener is seated within the shear pin, is threadably engaged to the nut cap, and has an axial length that is smaller than an axial length of the shear pin to fix a rotary blade to a rotor assembly within a profile of the rotary blade.