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, 1982
Filed:
Mar. 24, 1980
Applicant:
Inventor:
Robert R Peterson, Hudson, MA (US);
Assignee:
Barry Wright Corporation, Newton, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B64C / ;
U.S. Cl.
CPC ...
4161 / ; 416141 ;
Abstract
A blade retention system for use in a fully articulated rotor head of a rotary wing aircraft is described. The retention system comprises a separate elastomeric bearing means for carrying loads in compression and accommodating motions about the respective flapping, lead-lag, and pitching axes of the rotor head in shear for each type of motion about the respective flapping, lead-lag and pitching axes of the rotor head.