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:
Mar. 29, 2011
Filed:
Jan. 23, 2008
John S. Bubulka, Westchester, IL (US);
Joel M. Thomas, Melrose Park, IL (US);
Kavithas Ponnampalam, Westchester, IL (US);
Jeffrey L. Trzaskus, Evanston, IL (US);
Kenneth R. Levey, West Chicago, IL (US);
Robert K. Dutzi, Palatine, IL (US);
John S. Bubulka, Westchester, IL (US);
Joel M. Thomas, Melrose Park, IL (US);
Kavithas Ponnampalam, Westchester, IL (US);
Jeffrey L. Trzaskus, Evanston, IL (US);
Kenneth R. Levey, West Chicago, IL (US);
Robert K. Dutzi, Palatine, IL (US);
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
A threaded fastener includes a shank having a tip and a head configured for engagement by an associated driving tool. The fastener is configured for use with an associated threaded opening. The head is disposed on the shank opposite the tip. The shank has a helical thread formed thereon. The thread extends from about the tip to about the head and defines a plurality of zones. Each zone has a plurality of individual threads extending 360 degrees about the shank. A leading thread in each zone is formed with a wave-form profile having an amplitude that is greater than the amplitude of each prior leading thread. In one embodiment, threads other than the leading thread in each zone do not have an amplitude as great as their respective leading threads. A fastening assembly is also disclosed.