Snap-Fit Floor Panel Locking Mechanism for LVT Installation
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Solution Overview
Problem
Existing floating floor systems face difficulties in installation due to the lack of precise alignment of mechanical interlocking teeth and slots, leading to issues like ledging and damage during installation, especially with resilient floor panels like LVT, which are prone to bending and disengagement.
Innovation Solution
A snap-fit locking assembly with a locking member and undercut surface on one flange and a locking slot on another, allowing for vertical locking between floor panels, minimizing ledging and enabling easier installation without the need for precise alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If teeth and slots are used for mechanical interlocking, then horizontal locking is provided, but alignment difficulty makes installation complex
Solution Approach 1:
The patent inverts the traditional interlocking approach by using a groove in one flange that receives a protrusion with an undercut from the adjacent flange. This reversal of the tooth-slot configuration simplifies alignment during installation while maintaining mechanical locking strength.
Solution Approach 2:
The undercut geometry of the protrusion automatically engages with the groove wall to provide mechanical locking without requiring precise manual alignment. The design allows the components to self-align and lock during the installation process.
2Ease of operation
If vertical folding or push down locks are used, then installation is easier, but ledging occurs due to subfloor irregularities
Solution Approach 1:
The locking mechanism combines features of both vertical engagement (protrusion entering groove) and horizontal restraint (undercut preventing lateral movement). This composite approach provides both easy installation and resistance to ledging from subfloor irregularities.
Solution Approach 2:
The undercut geometry creates a curved engagement surface that accommodates minor subfloor irregularities while maintaining stable locking, preventing the ledging issue associated with rigid vertical locks.
3Adaptability or versatility
If resilient panels are used, then flexibility is provided, but panels bend easily making mechanical locking difficult
Solution Approach 1:
The groove-protrusion design with undercut provides inherent mechanical support that cushions against the flexibility of resilient panels during installation, preventing excessive bending while maintaining the panels' adaptive properties.
Data Source
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Figure 2
Figure 2A
AI summary
A floating floor system and a floor panel and method for use with the same that includes a snap-fit locking assembly that provides vertical locking between vadjacent floor panels to minimize and/or prevent ledglng therebetween. In one embodiment, a protuberance and a recess are also provide on the floor panels to provide horizontal locking. The snap-fit locking assembly comprises: a locking member protruding from a first flange and comprising an undercut surface; and a locking slot formed In a second flange. The snap-fit locking assembly is configured so that when the locking member of a first one of the panels is disposed within the locking slot of a second one of the panels, the first and second panels are vertically locked together via mechanical interaction between the undercut surface of the locking member of the first panel and a locking surface of the second flange of the second panel