Portable Extension Table Assembly With Integrated Digital Measurement
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Solution Overview
Problem
Power tools used at remote locations, such as jobsites, require portable and versatile table assemblies that can support materials during modification tasks while allowing for precise measurement and adjustment, but existing solutions lack integrated measurement systems and adjustable configurations for optimal functionality.
Innovation Solution
The proposed extension table assemblies feature a frame portion, arm portion, drive system, and measurement system, including a movable carriage, end stop, and alpha-numeric display, allowing for precise material length computation and adjustable support surfaces, enabling efficient material support and measurement during tasks like cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a portable table assembly is used at remote locations, then mobility and portability are improved, but measurement precision and adjustment capability deteriorate
Solution Approach 1:
The patent replaces traditional mechanical measurement systems with electronic sensors and digital display technology. The measurement system includes sensors that detect material dimensions and a digital display that shows measurements, eliminating the need for manual mechanical measuring tools while maintaining portability.
Solution Approach 2:
The table assembly integrates multiple functions into a single portable unit: it provides structural support for materials, incorporates measurement capabilities through sensors, offers adjustment mechanisms for positioning, and includes digital display functionality. This multi-functional integration resolves the contradiction by combining portability with precise measurement capabilities.
2Measurement precision
If an extension table assembly with measurement system is developed, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent merges the measurement system, display system, and table structure into an integrated assembly. The sensors are mounted on the table structure, and the digital display is incorporated into the same unit, reducing the number of separate components and simplifying the overall system while maintaining measurement precision.
Solution Approach 2:
The measurement system automatically detects and displays material dimensions without requiring manual operation. The sensors self-calibrate and the system self-adjusts, reducing the operational complexity for the user while maintaining high measurement precision.
3Adaptability or versatility
If adjustable legs and hinge mechanism are added for compact storage, then adaptability is improved, but device complexity increases
Solution Approach 1:
The table assembly is divided into separable components including adjustable legs and a hinge mechanism that allows the table to be folded into compact sections. This segmentation enables easy adjustment and compact storage while keeping each individual component relatively simple in design.
Solution Approach 2:
The legs and hinge mechanism provide dynamic adjustability, allowing the table configuration to change based on storage or operational needs. The legs can be adjusted to different positions and the hinge allows folding, creating a dynamic system that adapts to different requirements without requiring complex permanent structures.
Data Source
AI summary
An extension table assembly for a power tool having a working surface for supporting a piece of material to be modified, and a working area where the power tool can modify a piece of material. The extension table assembly comprising a frame portion, at least one arm portion, a drive system, and a measurement system.