Mechanical locking system for floor panels

摘要

Building panels, especially floor panels are shown, which are provided with a locking system including several separate strip parts connected to the panel edge.

主权项

1. Building panels comprising a locking system for vertical and horizontal locking of a first edge of a first panel and a second edge of a second adjacent panel, said locking system comprising a tongue and a tongue groove for vertical locking and at least one strip part attached to the first edge of the first panel for horizontal locking, the at least one strip part comprising:
an upwardly extending locking element configured to cooperate with a downwardly open locking groove formed at the second edge of the second adjacent panel; a strip body with an inner part that extends inwardly from the first edge and at a rear side of the first panel and an outer part that extends outwardly from said first edge of the first panel, the inner part comprising a fixing element that cooperates with a downwardly open fixing groove, formed on the rear side of the first panel, and locks the at least one strip part to the first edge of the first panel in a first horizontal direction; a locking protrusion, located above the strip body, that locks the at least one strip part to the first edge of the first panel vertically and in a second horizontal direction against a holding protrusion formed at the first edge of the first panel; and upper and lower guiding surfaces that are essentially parallel with the strip part body, wherein the at least one strip part is configured to be attached to the first edge of the first panel with an essentially horizontal snapping action in the first horizontal direction.