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. 18, 1995
Filed:
Jan. 13, 1994
Applicant:
Inventor:
Norbert Koppel, Balgach, CH;
Assignee:
SFS Industrie Holding AG, Heerbrugg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ; F16B / ;
U.S. Cl.
CPC ...
411392 ; 411387 ; 411413 ;
Abstract
A screw has an elongated shank and a head. The shank has two threaded portions and at least one unthreaded portion extending therebetween. A plurality of axially spaced grooves formed by the removal of material from the unthreaded portion of the shank are provided therein to enable the screw to withstand transverse forces acting on the head when the screw is screwed in.