Patent · US Active

Device and method for locking two building boards

US7621092B2 · kind B2 · utility

230Cited by

277References

31Claims

0Family size

Assignee

Flooring Technologies Ltd. · MT

Inventors

Carsten Groeke · Berlin, DE
Wolfgang Gollatz · Wittstock, DE

Key dates

Filing date	Feb 9, 2007
Grant date	Nov 24, 2009
Priority date	—
Expiry date	Dec 8, 2027

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE04F2201/0523
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A device for locking two building boards comprises a tongue element inserted into a groove a first building board. The tongue element comprises a spring having a plurality of wave arches. A groove is provided in a core of a second building board and corresponds to the groove of the first building board, such that when the groove of the first and second building boards overlap during a connection of the first and second building boards, by a vertical lowering movement, the first and second building boards are locked in a direction parallel to the visible side by the tongue element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.