Box Newel Post Assembly With Hidden Anchoring Access
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Solution Overview
Problem
Existing box newel posts are cumbersome, require drilling for anchoring, and detract from the overall appearance due to visible holes covered with putty during installation.
Innovation Solution
A newel post boot subassembly and column subassembly with mitred sides and engagement shoulders facilitate easy installation by allowing separate assembly and anchoring without visible fasteners, using mitred joints and sliding web mounts for secure attachment to the structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If box newel posts are fully constructed off-site and delivered ready-to-install, then manufacturing efficiency is improved, but installation becomes difficult requiring drilling and visible putty patches
Solution Approach 1:
The newel post is divided into multiple components: a boot section with pre-formed recesses and a column section with corresponding protrusions. These segments are manufactured separately and assembled on-site through insertion, eliminating the need for drilling and putty while maintaining manufacturing efficiency.
Solution Approach 2:
The column section is inserted into the boot section, with the column's bottom end nesting within the boot's interior space. The recesses in the boot and protrusions on the column create a nested assembly that secures the components together without visible fasteners or putty patches.
2Strength
If box newel posts are made as complete units, then structural integrity is improved, but weight and handling difficulty increase
Solution Approach 1:
Dividing the newel post into boot and column sections reduces the weight of each individual component, making them easier to handle and install. The segmented design maintains structural integrity through the recess-protrusion interlocking mechanism that secures the sections together.
3Strength
If fasteners are used to anchor the newel post, then anchoring strength is improved, but appearance is degraded due to visible holes and putty
Solution Approach 1:
The anchoring function is merged with the structural components themselves. The recesses in the boot and protrusions on the column serve dual purposes: they provide mechanical interlocking for secure anchoring while simultaneously maintaining the continuous aesthetic appearance of the newel post without visible holes or putty.
Solution Approach 2:
The recess-protrusion interface acts as an intermediary mechanism between the boot and column, providing secure mechanical anchoring while hiding the connection details within the newel post's structure, thus preserving aesthetic appearance.
Data Source
AI summary
A hand rail system and associated methods. Newel posts of the hand rail system can be mounted in a top mount configuration or a lateral mount configuration. Mounts are receivable in a boot subassembly in a horizontal or vertical arrangement for anchoring the boot subassembly to substructure. After anchoring of the boot subassembly, a column subassembly may be installed and anchored. Openings in the boot and column subassemblies permit access to the interior of the newel post for anchoring the boot and column subassemblies and for connecting a hand rail to the column subassembly. Subsequent installation of covers on the boot subassembly and column subassembly closes the newel post and provides a finished appearance free of external indication that openings in the newel post existed and have been covered. Four-sided turned newels, newel panel retainers, and associated methods are also disclosed.