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. 16, 1978
Filed:
Nov. 01, 1976
Applicant:
Inventors:
Robert Joseph Vercellone, North Haven, CT (US);
Samuel Philip Baron, Fairfield, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 93 ; 7343 / ;
Abstract
Apparatus and method for testing elastomeric bearings used for mounting articulated rotor blades on the main rotor head of a helicopter wherein the blade is held stationary and the rotor hub is moved to subject the bearing to simulated flight loads and motions simultaneously, including centrifugal loading and blade flapping, lead-lag, and pitch change motions.