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:
Jul. 08, 1997
Filed:
Mar. 22, 1996
Kamax-Werke Rudolf Kellermann GmbH & Co. KG, Osterode, DE;
Abstract
A force fit connecting element (1), particularly a wheel stud, which may be force fit into in a drilled hole (3) through the exertion of an axial force, having a shank (5) and a stop (4) in the shape of a head, a collar or the like, having a diameter larger than shank (5). The shank (5) has on the side facing the stop (4) a force fit section (10), which is oversized with respect to the corresponding drilled hole (3). The shank (5) has on the side facing away from the stop (4) a section (22) with a fastening thread (23). The force fit section (10) has a multiple-threaded, preferably at least triple-threaded, helical profile (11). The helical profile (11), with respect to the cylindrical surface area of the drilled hole (3), has a contact area fraction (33) of at least 30% and is made by cold forming.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile