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. 02, 2014
Filed:
Nov. 10, 2010
Jack Matsumoto, San Jose, CA (US);
Robert W. Whitling, Morgan Hill, CA (US);
Christopher M. Welsh, Livermore, CA (US);
Gregory A. Francisco, Glencoe, CA (US);
Jack Matsumoto, San Jose, CA (US);
Robert W. Whitling, Morgan Hill, CA (US);
Christopher M. Welsh, Livermore, CA (US);
Gregory A. Francisco, Glencoe, CA (US);
GE-Hitachi Nuclear Energy Americas LLC, Wilmington, NC (US);
Abstract
Disclosed is an unlatching tool that may be used to unlatch a control rod from a control drive. The unlatching tool may include a baseplate, a first guide member and a second guide member attached to the baseplate, a first frame and a second frame attached to the baseplate, a stepper motor attached to the first frame, a worm drive attached to the first frame, a cable reel shaft attached to the first and second frame, a hose wrapped around the cable reel shaft, and a hook attached to a first end of the hose. The hook may include a cylindrical sleeve having a at least one finger configured to fold and unfold. Disclosed also is a method of unlatching a control rod from a control drive.