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:
Sep. 19, 2023
Filed:
Jun. 18, 2020
Applicant:
Barnhart Crane and Rigging Co., Memphis, TN (US);
Inventor:
Kevin Reynolds, Memphis, TN (US);
Assignee:
Barnhart Crane and Rigging Co., Memphis, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C 1/10 (2006.01); F03D 13/10 (2016.01); B66C 13/08 (2006.01); B66C 13/40 (2006.01);
U.S. Cl.
CPC ...
B66C 1/108 (2013.01); B66C 13/08 (2013.01); B66C 13/40 (2013.01); F03D 13/10 (2016.05); F05B 2230/61 (2013.01);
Abstract
A system and method for removing or installing wind turbine blades, comprising a single spreader-type bar fitted with specialized end units with rotatable chain and/or cable for supporting the blade at two or more lift points. The inventive device allows for a single-crane lift of a wind turbine blade, with the ability to remotely control and fine tune the level and pitch of the blade during all portions of the lifting, lowering, installation and/or removal operations.