Dual Positionable Fastener Adaptor for Angled Installation
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Solution Overview
Problem
Existing methods for securing wood structural members, such as top plates to roof trusses or rafters, are inefficient and hazardous due to the need for precise angled fastener installation, often requiring cumbersome tools and multiple nails or fasteners to meet building codes, particularly in high wind or seismic areas.
Innovation Solution
A dual positionable adaptor for a fastener driver assembly that allows for precise installation of threaded fasteners at a consistent 22.5° angle, enabling efficient and safe connection of wood structural components without ladders, using a guide head with pivotable wings and a magnet assembly for secure fastener retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If threaded fasteners are used to replace metal brackets and nails, then connection efficiency is improved, but manufacturing precision is worsened due to the difficulty of maintaining precise 22.5° angles
Solution Approach 1:
The patent introduces a guide assembly as an intermediary device between the fastener driver and the workpiece. This guide assembly includes a guide body with a guide channel that precisely defines the 22.5° installation angle, eliminating the need for workers to manually measure and maintain angles. The guide assembly acts as a mediator that translates the driving force into the correct angular orientation, thereby improving both efficiency and precision.
Solution Approach 2:
The patent changes the parameter of angle control from a manual process variable to a fixed geometric parameter defined by the guide assembly's physical structure. The guide channel is manufactured with a precise 22.5° angle relative to the reference surface, converting the angle maintenance problem from an operational challenge to a manufacturing solution. This parameter fixation ensures consistent angular installation without requiring operator skill or additional measurement tools.
2Strength
If conventional fastening methods are used to meet building codes, then connection strength is improved, but device complexity is worsened due to the need for multiple fasteners and brackets
Solution Approach 1:
The patent extracts the angular guidance function from the fastener driver itself and places it into a separate guide assembly. This separation allows the guide assembly to be specifically optimized for maintaining the 22.5° angle, while the fastener driver focuses on providing driving force. The guide assembly can be easily attached and removed, and its specialized geometry directly enables the use of fewer, more effective fasteners by ensuring optimal installation angles that maximize connection strength.
3Manufacturing precision
If protractors and levels are used to achieve the optimum fastener angle, then manufacturing precision is improved, but ease of operation is worsened due to the cumbersome nature of these tools
Solution Approach 1:
The patent merges the angular guidance function, which was previously provided by separate measurement tools like protractors and levels, into an integrated guide assembly that is directly mounted to the fastener driver. The guide body with its precisely angled guide channel combines angle reference and physical guidance into a single device. This integration eliminates the need for multiple separate tools and their associated setup procedures, making the operation simple while maintaining precision.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates the secure and efficient installation of threaded fasteners at a precise angle, enhancing construction safety and productivity by allowing multiple fasteners to be installed consistently and correctly, reducing the need for multiple nails or fasteners and minimizing hazards associated with ladder use.
Implementation Method 1
a magnet assembly for retaining the fastener in the channel
Data Source
AI summary
A dual positionable adaptor for a fastener driver assembly employs a tandem guide assembly mounted to a guide head which has an entry reference surface defining an opening for a fastener to provide a proper location and entry angle for the fastener. A pair of wings each defines a pair of reference engagement edges which engage either an upper horizontal member or a lower horizontal member. The wings, together with the entry reference surface, define a proper entry location and angle for connecting a vertical stud to either an upper plate or a lower plate. The selected adaptor position is achieved by securing the adaptor in one of two angular positions relative to the tube axis of the fastener driver assembly. The wings are also affixed with squirrel claws to lock the adaptor in place for installing the fastener. The adaptor also includes flush indicators to indicate that the proper flush position of the reference surface against the vertical member is achieved. The wings are independently pivotal to accommodate situations wherein the tandem wing configuration cannot be employed. The fastener is retained within the adaptor fastener channel via a magnet assembly.