Hollow-Sleeve Wood Post Bracket for Deck Movement Control
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Solution Overview
Problem
Conventional methods of securing wood posts to deck joists fail to comply with evolving building codes that limit outward, inward, and lateral movement, and do not provide adequate structural reinforcement.
Innovation Solution
A wood post bracket with a hollow sleeve and flanges is used to secure the post to a rim joist and reinforcing block, allowing the rim joist and block to counterbalance loads in all directions, minimizing movement and distributing pressures effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fasteners are used to secure posts to joists, then the installation is simple, but the structural reinforcement is inadequate and building code compliance is not achieved
Solution Approach 1:
The bracket is divided into distinct functional segments: a base portion for attaching to the joist, a vertical portion for securing the post, and a reinforcing block for additional structural support. This segmentation allows each component to perform its specific function effectively while maintaining overall structural integrity and code compliance.
Solution Approach 2:
The reinforcing block is positioned within the bracket structure, nested between the base portion and the post. This nesting arrangement maximizes the use of available space and allows the reinforcing block to provide structural support without significantly increasing the overall footprint of the bracket assembly.
2Reliability
If a complex bracket structure is implemented to meet building codes, then structural reinforcement is improved, but the device complexity increases
Solution Approach 1:
The bracket combines multiple functions into a single integrated structure: attachment to the joist, securing of the post, and provision of structural reinforcement. By merging these functions into one component rather than using separate elements, the design achieves code compliance without proportionally increasing complexity.
Solution Approach 2:
The bracket serves multiple purposes simultaneously: it acts as a mounting structure, a structural reinforcement element, and a code-compliance solution. This multi-functionality reduces the need for additional specialized components, thereby managing overall device complexity while meeting reliability requirements.
3Reliability
If the bracket minimizes post movement through structural reinforcement, then building code compliance is achieved, but the installation complexity increases
Solution Approach 1:
The bracket is pre-configured with the reinforcing block and attachment features already in position. This preliminary preparation allows installers to simply attach the pre-assembled bracket to the joist and post, rather than assembling multiple components during installation, thereby maintaining ease of installation while ensuring proper post movement control.
Data Source
AI summary
A wood post bracket used for securing a post mount to a rim joist and a mounting blocks of a substructure of a deck's wood framing system includes a hollow sleeve defining an open rectangular passage, the open rectangular passage having four walls, a planar base forming a first wall of the four walls and a mounting plate forming a second wall of the four walls that is positioned opposite the first wall, such that the hollow sleeve is positioned between the planar base and the mounting plate and the planar base and the mounting plate are oriented parallel to each other.