Rotating Screw Bit Guide with Angle Indicator
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Solution Overview
Problem
Existing fastener installation guides are clumsy and inefficient, particularly when installing screws at angles, as they require operators to hold the guide and drive the fastener simultaneously, and many power tools lack integrated angle indicators, making it difficult to achieve precise angled installations required for structural strength.
Innovation Solution
A modular installation guide kit with a housing that securely attaches to a screw bit, allowing rotation and featuring a movable indicator to show the angle relative to a reference plane, enabling easy and precise angled screw installations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a traditional guide (protractor, square) is used for fastener installation, then the guide can indicate angles, but the operator must hold the guide and install the fastener simultaneously, making the operation difficult and imprecise
Solution Approach 1:
The patent combines the angle indication function with the fastener installation function by integrating a bubble level directly into the power tool housing. This merging eliminates the need for separate handheld guides, allowing the operator to install fasteners while the bubble level automatically indicates the correct angle, thereby improving both measurement precision and ease of operation.
Solution Approach 2:
The bubble level acts as an intermediary element within the tool that provides angle feedback without requiring the operator to manually position a separate guide. The bubble level is positioned to visually indicate the angle between the tool axis and the work surface, mediating between the tool's orientation and the operator's control.
2Adaptability or versatility
If a bubble level is built into power tools, then angle indication is available, but the majority of tools in use don't include this feature, limiting availability
Solution Approach 1:
The bubble level is merged with the power tool housing as an integrated component rather than a separate attachment. This integration allows angle indication capability to be added to existing tool designs without requiring completely new tool development, thereby improving adaptability and versatility while minimizing the increase in device complexity.
3Measurement precision
If guides attach to the power tool, then angle indication is provided, but the guides are bulky, clumsy, located remotely from the bit, and take time to be attached and removed
Solution Approach 1:
The angle indication system is merged with the power tool itself, eliminating the need for separate attachable guides. The bubble level is positioned within the tool housing to provide angle indication close to the bit, removing the delay associated with attaching and detaching external guides while maintaining measurement precision.
Solution Approach 2:
The power tool is segmented into functional components, with the bubble level positioned at the optimal location within the housing to provide accurate angle indication near the bit without adding external bulk or complexity to the overall tool structure.
4Measurement precision
If external guides are used for angled fastener installation, then angle indication is possible, but the guides are bulky and clumsy
Solution Approach 1:
The angle indication capability is merged into the power tool housing, eliminating the need for separate external guides. This integration provides angle indication functionality without adding the bulk and weight associated with external guide attachments, as the bubble level is positioned within the existing tool structure.
Data Source
AI summary
An installation guide for installing a screw at a predetermined angle relative to a reference plane is disclosed. The installation guide includes a housing configured for releasable connection to a bit. The housing includes a channel being sized and shaped to receive the bit therein for retaining the housing on the bit. The channel allows the bit to rotate relative to the housing. An indicator is supported by the housing and is configured for movement relative to the housing to indicate an angle of the housing relative to a reference plane.