US 12,454,834 B2
Set of panels comprising a locking device
Anders Nilsson, Helsingborg (SE); and Fredrik Boo, Kågeröd (SE)
Assigned to VÄLINGE INNOVATION AB, Viken (SE)
Filed by Välinge Innovation AB, Viken (SE)
Filed on Sep. 20, 2023, as Appl. No. 18/370,454.
Claims priority of application No. 2251093-7 (SE), filed on Sep. 21, 2022.
Prior Publication US 2024/0093509 A1, Mar. 21, 2024
Int. Cl. E04F 15/02 (2006.01)
CPC E04F 15/02038 (2013.01) [E04F 2201/0146 (2013.01); E04F 2201/0535 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A set of panels comprising a first panel and a second panel and a locking device for locking a first edge portion of the first panel to a second edge portion of the second panel, wherein the panels comprise a front side and a rear side, a main plane extending along the front and/or the rear side and a normal of the main plane, said normal defining a vertical direction, wherein the locking device comprises a horizontal locking device and a vertical locking device,
wherein the vertical locking device comprises a flexible tongue arranged in an insertion groove of one of said first edge portion and said second edge portion, said flexible tongue extends along said one of said first edge portion and said second edge portion, and the other of said one of said first edge portion and said second edge portion comprises a tongue groove and a stop surface at an outer end of the tongue groove in a longitudinal direction of the tongue groove,
wherein the flexible tongue comprises a longitudinal end portion and an opposite longitudinal end portion, and a flexible portion between the longitudinal end portion and the opposite longitudinal end portion, wherein in a vertically locked state of the first and the second edge portions the flexible portion is configured to cooperate with a locking surface in the tongue groove and the longitudinal end portion is configured to cooperate with the stop surface,
wherein the flexible portion is a pivoting member which is configured to pivot towards a bottom of the insertion groove during assembling of the first edge portion and the second edge portion and is configured to spring back towards the locking surface in the vertically locked state,
wherein said stop surface is closer than said locking surface to the bottom of the insertion groove.