Facade Panel Attachment System with Four-Way Movement
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Solution Overview
Problem
Existing attachment systems for wall panels or facades do not provide for four-way movement and often require extensive on-site preparation or modification, leading to potential disengagement and panel detachment if the panel moves or expands beyond limited amounts.
Innovation Solution
The system includes a clip with a 'T'-shaped track and 'L'-shaped stop, and extrusions with 'U'-shaped bases and 'L'-shaped extensions, allowing for secure attachment to a structure with fasteners, enabling four-way movement while preventing detachment, through a combination of 'T'-shaped openings and 'L'-shaped stops that form a secure locking mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing attachment systems are used to secure panels to a structure, then the panels can be attached to the structure, but the panels cannot move in four directions and may disengage or fall out if they move beyond a limited amount
Solution Approach 1:
The attachment system incorporates a dynamic clip mechanism with a movable arm that can pivot between engaged and disengaged positions. The arm rotates about a pivot point, allowing the panel to move in four directions while maintaining secure attachment. The dynamic movement of the arm accommodates panel expansion and contraction without compromising attachment security.
Solution Approach 2:
The clip acts as an intermediary component between the panel and the structure. It features a track received by the extrusion and an arm that can engage with the panel, providing a mediating connection that allows controlled movement while preventing complete disengagement. This intermediary mechanism resolves the contradiction by enabling both mobility and security.
2Reliability
If existing attachment systems allow limited panel movement, then the panels remain securely attached, but extensive on-site preparation or modification is required
Solution Approach 1:
The clip and extrusion components are designed and manufactured as complete, ready-to-install units with all necessary features already incorporated. The clip includes pre-formed tracks, arms, and pivot points, while the extrusion includes pre-formed receiving features. This preliminary preparation eliminates the need for extensive on-site modification or preparation work.
Solution Approach 2:
The attachment system is designed to be self-installing without requiring complex preparation. The clip can be attached to the extrusion through simple insertion and engagement of the track and arm into the receiving features. The system serves itself by incorporating all necessary attachment features directly into the components, eliminating the need for additional on-site fabrication or modification.
3Productivity
If panels are allowed to move freely, then installation efficiency is enhanced, but the panels may detach and fall out if not properly constrained
Solution Approach 1:
The clip's arm can dynamically move between engaged and disengaged states, allowing the panel to move freely within certain limits while automatically constraining it to prevent complete detachment. The arm rotates about a pivot point, providing controlled movement that enhances installation efficiency while maintaining safety.
Solution Approach 2:
The clip mechanism serves as an intermediary that allows free movement within safe limits while preventing harmful detachment. The track and arm configuration provides a mediating constraint that permits productive panel movement but blocks complete separation, thus eliminating the need for overly restrictive constraints that would reduce installation efficiency.
Data Source
AI summary
Panels (20A, 20B) are attached to extrusions (66A, 66B) by fasteners 90. Clips (70) are attached to a structure (50) by fasteners (35). The extrusions and the clips engage in a manner which allows the panels to move in any direction, as needed, without the panel detaching from the structure and falling. The extrusions also provide for the use of optional reveal strips (87). An extrusion has a restraining area (86), a reveal strip stop area (58), and a T-slot (65). A clip has a T-channel (74), a tensioning stop arm (69), and a secondary reinforcing arm (80). The panels can be installed in rows, in columns, or diagonally, as desired.