Powered Ratchet Lighting Layout for Deep Socket Visibility
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing powered ratchet tools often fail to adequately illuminate fasteners, especially when using deep sockets or socket extensions, due to inadequate lighting arrangements that do not effectively illuminate the workpiece.
Innovation Solution
Integration of an application-targeted lighting system with an array of LED lights that directs a beam of light through a broad angle beneath the ratchet tool, illuminating the workpiece and workspace, including areas reached by socket extensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If deep sockets or socket extensions are used to reach fasteners, then the reach distance is increased, but the illumination intensity at the workpiece decreases
Solution Approach 1:
The lighting system transitions from a single-point light source near the ratchet head to a distributed linear array of LEDs along the socket extension. This dimensional change from point to line illumination allows light to be delivered along the entire length of the extension, maintaining illumination intensity at distant fasteners while achieving extended reach.
Solution Approach 2:
The socket extension itself is transformed into an intermediary light-delivery structure by integrating the LED array along its length. This intermediary element (the illuminated extension) bridges the gap between the power source and the distant workpiece, providing both mechanical connection and optical illumination along the transmission path.
2Illumination intensity
If traditional lighting arrangements are used in powered ratchet tools, then the device complexity is kept low, but the illumination coverage and effectiveness are insufficient
Solution Approach 1:
The socket extension serves dual functions: mechanical connection to the fastener and light delivery medium. By integrating LEDs along the extension, the same component that provides reach also provides illumination, eliminating the need for separate lighting mechanisms and reducing overall system complexity.
Solution Approach 2:
The lighting system utilizes the existing socket extension structure to deliver light to the workpiece. The extension's own body becomes the light-guiding element, and the system leverages the operational context (when the extension is inserted and engaged) to automatically activate appropriate lighting modes without requiring additional sensors or controls.
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 application-targeted lighting system effectively illuminates the workpiece from a distance of at least three inches to three feet, ensuring clear visibility of fasteners during operation, even with extended reach, and can indicate the success of fastening operations through color-coded lighting.
Implementation Method 1
an application-targeted lighting system with an array of LED lights that directs a beam of light
Data Source
AI summary
A power tool having a handle extending along a longitudinal axis, wherein the handle is configured to house a motor. A ratchet head is connected to a first end of the handle. The ratchet head supports an output shaft having a drive square or bit that is driven by the motor. The ratchet wrench includes an application-targeted lighting system disposed around a periphery of the handle that illuminates the ratchet head and a workpiece below the output shaft. The application-targeted lighting system may include an array of Chip-On-Board LED lights. The application-targeted lighting system illuminates the workspace in applications where socket extenders and/or deep sockets are used with the ratchet wrench.