Dual Positionable Adaptor for Fastener Installation Angles
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Solution Overview
Problem
Existing methods for securing wood structural members, such as using hurricane clips or threaded fasteners, are inefficient and difficult to implement with precision, particularly in achieving the required 22.5° angle for optimal connection, leading to challenges in meeting building codes and ensuring structural integrity.
Innovation Solution
A dual positionable adaptor is mounted to a fastener driver assembly, providing a guide head with adjustable arms to ensure fasteners are driven at precise oblique angles, specifically 22.5° and 12°, for secure connections between wood structural components without the need for ladders or cumbersome tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If threaded fasteners are used to connect top plate to roof trusses at a 22.5° angle, then connection strength and structural integrity are improved, but installation precision and difficulty worsen due to the need for precise angle control
Solution Approach 1:
The patent introduces a guide assembly as an intermediary device between the fastener driver and the wood members. This guide assembly includes a guide body with a guide bore that precisely defines the 22.5° angle, and a stabilizing member that engages with the roof truss to provide a stable reference plane. The guide assembly mediates the installation process by physically constraining the fastener entry angle and providing stability, thereby achieving precise angle control without requiring the installer to manually measure or calculate angles.
Solution Approach 2:
The guide assembly is designed to be self-aligning and self-stabilizing during installation. The stabilizing member automatically engages with the roof truss surface, and the guide body's geometry ensures that the fastener is driven at the correct angle without requiring external measurement tools or complex alignment procedures. The system serves itself by incorporating all necessary alignment and angle-control features into the guide assembly structure.
2Length of moving object
If workers stand on ladders to install fasteners in cramped locations, then access to high locations is improved, but safety and ease of operation worsen due to unstable platforms and difficult maneuvering
Solution Approach 1:
The patent extends the fastener driver along the longitudinal axis to create a telescoping tube assembly that can be extended to reach high locations. This dimensional extension allows the tool to operate at elevated positions without requiring the worker to stand on unstable ladders. The extended reach is achieved while maintaining tool stability and control through the extended handle assembly.
3Length of moving object
If extended handles are added to fastener drivers to reach high locations, then accessibility to elevated areas is improved, but tool weight and handling difficulty worsen
Solution Approach 1:
The patent implements a telescoping tube assembly that can dynamically adjust its length. The tubes can be extended to reach high locations during installation, then retracted when not needed. This dynamic adjustment allows the tool to have long reach capability without permanently increasing its weight or handling difficulty. The telescoping mechanism enables the tool to adapt its dimensions to the specific installation requirements.
Data Source
AI summary
A dual positionable adaptor for a fastener driver assembly employs a guide assembly mounted to a guide head which has an entry surface for a fastener. The arms each define a pair of reference engagement edges which engage either an upper horizontal member or a lower horizontal member and together with the entry surface defines a proper entry location and angle for connecting a vertical stud to either an upper plate or a lower plate. In one embodiment, the dual positionable adaptor may employ a pair of pivoting arms which defines one of two pivot positions for a guide assembly. Arms of the guide assembly each have a first reference engagement edge and a second reference engagement edge. In a first guide position, the adaptor provides an optimal position and entry angle for connecting a top plate to a lateral blocking. In a second position, the adaptor provides an optimal position and entry angle for driving a fastener through a lower plate into a lateral blocking.