Offset-Angle Screw Guide With Retainer Clip for Hands-Free Framing
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Solution Overview
Problem
The installation of long screws in construction is challenging due to the need for precise angle and position alignment, often requiring guesswork and increasing labor and material costs, especially in elevated and cramped locations, which poses safety and efficiency issues.
Innovation Solution
A fastener guide system comprising a base plate, a guide member that maintains a fastener at a preselected offset angle, and a retainer clip that securely holds the guide in place, allowing for hands-free operation and easy repositioning, ensuring consistent and precise fastener installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If workers manually align and install fasteners at elevated locations, then installation can be completed, but precision and safety deteriorate due to difficulty in maintaining exact angles and positions
Solution Approach 1:
The patent introduces a guide device as an intermediary tool between the worker and the fastener installation process. The guide device includes a guide body with a guide hole that pre-establishes the correct angle and position, allowing the fastener to be installed with precise alignment without requiring the worker to manually measure and calculate angles at elevated locations.
Solution Approach 2:
The guide device is pre-configured with the exact angle and position requirements before use. The guide hole is formed at the precise angle relative to the guide body, so that when the guide device is placed against the workpiece, the correct fastener orientation is automatically established, eliminating the need for on-site angle measurement and adjustment.
2Productivity
If workers use guesswork to align fasteners, then installation can proceed, but labor time and material costs increase due to errors requiring reinstallation
Solution Approach 1:
The guide device serves as a physical intermediary that encodes the correct installation parameters. By placing the guide device against the workpiece, the worker immediately obtains the correct fastener angle and position through the guide hole, eliminating guesswork and the need for trial-and-error attempts that waste time and materials.
Solution Approach 2:
The guide device is designed to be self-aligning and self-explanatory. The guide hole automatically indicates the correct fastener orientation, and the device itself guides the worker's hand and tool placement, reducing the need for external measurement tools and complex alignment procedures that consume time.
3Manufacturing precision
If a fixed guide system is used to ensure precise fastener angles, then installation precision improves, but device complexity and setup time worsen
Solution Approach 1:
The guide device is segmented into distinct functional components: a guide body that interfaces with the workpiece, a guide hole for fastener alignment, and positioning features. This segmentation allows each component to be optimized for its specific function while keeping the overall device simple and manageable.
Solution Approach 2:
The guide device is designed with universal applicability through standardized interface features. The guide body can accommodate different fastener types and workpiece configurations, and the positioning features can adapt to various installation locations, reducing the need for multiple specialized guide devices and simplifying the overall system.
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
The fastener guide system enables efficient and consistent installation of fasteners at precise angles, reducing labor costs and improving safety by allowing for hands-free operation and easy repositioning, while ensuring secure connections that meet building code requirements.
Implementation Method 1
the retainer clip includes first and second prongs that resiliently hold the guide in place as the fastener is advanced
Data Source
AI summary
A fastener guide is provided including a base plate that engages a first board, a guide member that maintains an advancing fastener at a preselected offset angle relative to the first board, and a retainer clip that engages a second board that is transverse to the first board. The retainer clip includes first and second prongs that resiliently hold the guide in place as the fastener is advanced at the offset angle, optionally without manual input so that a user can manipulate the fastener and a driving tool instead of holding the guide to align the fastener.A related method of use is provided.