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:
Apr. 20, 2004
Filed:
Aug. 02, 2002
Applicant:
Inventors:
Hubert Forster, Moorenweis, DE;
Michael Werner, München, DE;
Franz-Xaver Huber, Günzlhofen, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 3/926 ; F16B 3/9282 ;
U.S. Cl.
CPC ...
F16B 3/926 ; F16B 3/9282 ;
Abstract
A fastener is formed of an axially extending shaft ( ) and a driving head on the end directed away from the setting direction, and has on its underside or first side ( ) for the prevention of unintended loosening, a plurality of webs ( ) extending radially from the longitudinal axis (L) of the shaft up to the external periphery ( ) of the underside ( ). The webs ( ) having a substantially trapezoidal cross-section, are limited by a face surface ( ) on the underside ( ), extending between two flank surfaces.