Prefabricated Corner Post Slidable Trim Fastener Concealment
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Solution Overview
Problem
Conventional decorative corner posts require visible fastening penetrations, which are unsightly and increase labor costs due to the need for touch-up after installation, especially when using pre-colored materials.
Innovation Solution
A decorative cover with a slidable trim piece that exposes holes for attachment during installation and then covers them, hiding the fasteners and reducing the need for touch-up.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional corner posts are installed with visible fasteners, then the installation process is simple and straightforward, but the aesthetic quality deteriorates due to visible penetrations and touch-up requirements
Solution Approach 1:
The corner post is divided into two functional segments: a body portion for attachment and a trim piece for aesthetic coverage. The trim piece is a separate component that can be installed independently to cover the fastener penetrations, allowing the attachment function and aesthetic function to be separated and optimized independently.
Solution Approach 2:
The trim piece is pre-configured with a profile that matches the corner post body, including pre-positioned holes that align with the fastener locations. This preliminary configuration allows the trim piece to be installed after attachment without requiring additional drilling or alignment work, maintaining installation simplicity while achieving aesthetic coverage.
2Ease of manufacture
If touch-up is performed to cover fastener penetrations, then aesthetic quality improves, but labor cost and installation time increase
Solution Approach 1:
The aesthetic coverage function is extracted from the attachment process entirely. Instead of attempting to conceal fasteners through touch-up or filling operations, the invention uses a separate trim piece that inherently covers the penetrations by design, eliminating the need for post-installation aesthetic repairs.
Solution Approach 2:
The trim piece serves dual functions: it provides the aesthetic finish and simultaneously conceals the fastener penetrations. The design of the trim piece with integrated hole coverage means the system self-conceals the imperfections without requiring additional materials or operations.
3Ease of manufacture
If the trim piece covers the holes, then aesthetic quality improves by hiding fasteners, but the fastening process becomes more complex
Solution Approach 1:
The trim piece merging the aesthetic finish and fastener coverage functions into a single component. This consolidation means that one installation operation achieves both aesthetic and functional requirements, rather than requiring separate operations for attachment and concealment.
Solution Approach 2:
The trim piece is pre-configured with hole positions that match the fastener locations on the body portion. This preliminary alignment configuration ensures that when the trim piece is installed, it automatically covers the fasteners without requiring complex positioning or adjustment operations.
Data Source
AI summary
A prefabricated corner post (10) and associated method for attachment to an external corner (106) on a building (100). An angled body (12) has adjacent panels (14, 16) that form an inner corner (18) having inner flat surfaces (20, 22) adapted to closely engage the building corner (106), and an outer corner (24) forming an outer flat surface (26) that extends to side edges (28, 30). A nailing flange (32, 34) extends from the inner flat surface of each panel beyond a respective side edge of the outer surface. A trim piece (36) closely conforms to and is slidable vertically along the outer surface between an installation position (38) and a final position (40). Each panel of the body has a through hole (42) from the outer to the inner surface at the final position of the trim piece. In the installation position of the trim piece the through holes are exposed for receiving screws to secure the body directly to the building walls, and thereafter the trim piece can be slid to the final position to cover the holes and screws.