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:
Oct. 17, 2000
Filed:
Sep. 02, 1999
Applicant:
Inventors:
Kenneth R LeVey, West Chicago, IL (US);
Ned J Gruca, St. Charles, IL (US);
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F16B / ; F16B / ;
U.S. Cl.
CPC ...
411290 ; 411277 ; 411433 ; 4119372 ;
Abstract
A lock nut having a body member with a threaded axial bore and a washer having an axial opening coupled to a bottom end portion thereof so that the opening of the washer is aligned substantially with the threaded axial bore. The washer has one or more fingers with threaded finger tip portions partially defining the opening thereof. The threaded finger tip portions of the washer are in-phase helically with the threaded axial bore of the body member. A recess is disposed between the washer and the body member, and a protruding portion of the washer extends from the bottom end portion of the body member.