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. 22, 2011
Filed:
Jan. 30, 2004
Thomas Grafenauer, Onzour sur Loire, FR;
Matthias Lewark, Kremmen, DE;
Thomas Grafenauer, Onzour sur Loire, FR;
Matthias Lewark, Kremmen, DE;
Kronotec AG, Lucerne, CH;
Abstract
Disclosed is a device for connecting and locking building boards comprising a top face () and a bottom face (), especially floor panels () that are provided with a core made of a wood material as well as a groove () on two opposite lateral edges (I, II). Said building boards further comprise an insert () that is used for locking and can be inserted into the groove (oror) of one of the lateral edges (I, II). The boards () are connected by displacing the boards in an essentially horizontal direction (Q) towards each other. The inventive device is characterized in that the insert () is provided with at least one springy lip (a,a;a;a) which extends towards the top face () or the bottom face ().