Patent · US Active

Closure device, preferably for closing a sealing flap of an opening

US11814885B2 · kind B2 · utility

0Cited by

16References

21Claims

0Family size

Assignee

Knauf Gips KG · DE

Inventor

Claus Beyer · Schwieberdingen, DE

Key dates

Filing date	Jul 20, 2017
Grant date	Nov 14, 2023
Priority date	—
Expiry date	Nov 26, 2037

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE04F2201/0115
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A closure device having a lock element that can be locked on a mating piece, preferably for closing a sealing flap of an opening, in particular an inspection flap, preferably in a drywall construction, in particular for a wall or a ceiling is provided.A closure device is distinguished by the fact that the lock element is arranged in such a way that, preferably under the action of a spring, in a first position with respect to the mating piece it is or can be moved into a locking position and, in a second position, it reaches a position and/or a state without any blocking action.

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