Pocket Inspection Device with Overlapping Reference Features
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Solution Overview
Problem
Building inspection and measurement professionals face challenges with bulky, single-purpose tools that require maintenance with lubricants and caustic cleaning solutions, are not all-weather capable, and fail to meet multiple inspection requirements in a single device, especially in hazardous conditions and for ensuring code compliance with substandard building materials.
Innovation Solution
A pocket-sized, durable, all-weather capable inspection and measurement device with multiple functions, including a ruler, crack-width comparator, slope indicator, hail-impact diameter measurer, and nail size gauge, made from transparent or opaque thermoplastic with integrated reference features and a conversion chart, designed for easy use and maintenance without moving parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple single-purpose tools are carried, then measurement precision is maintained, but device complexity and portability deteriorate
Solution Approach 1:
The patent combines multiple single-purpose measurement tools (ruler, crack-width comparator, slope indicator, hail-impact diameter measurer, nail size gauge) into a single integrated device with a common reference feature structure. This merging maintains measurement precision for each function while eliminating the need to carry multiple separate tools, thus reducing device complexity and improving portability.
Solution Approach 2:
The device is designed with universal reference features that serve multiple measurement functions simultaneously. A single reference feature structure enables five different measurement capabilities through different usage configurations, making the device versatile and eliminating the need for multiple specialized tools.
2Adaptability or versatility
If tools with moving mechanical components are used, then measurement functionality is enhanced, but ease of maintenance and reliability deteriorate
Solution Approach 1:
The patent replaces moving mechanical components with static reference features printed or etched on a transparent or opaque substrate. Measurement is achieved through visual alignment and comparison rather than mechanical movement, eliminating the need for lubricants and caustic cleaning solutions while maintaining measurement functionality. The device can be cleaned with ordinary soap and water.
Solution Approach 2:
The device requires no maintenance or servicing as it has no moving parts that wear or require lubrication. The static reference features remain accurate indefinitely under proper care, and the device can be easily cleaned with ordinary soap and water, making it virtually maintenance-free.
3Measurement precision
If traditional measuring tools are used, then measurement accuracy is maintained, but ease of operation and portability deteriorate
Solution Approach 1:
The patent uses color-coded reference features and measurement scales to improve ease of operation. Different colors distinguish between various measurement functions and scales, allowing users to quickly identify the appropriate reference feature for each measurement task without complex procedures, while maintaining measurement accuracy through precise reference markings.
Data Source
AI summary
An inspection and measurement device includes a body defining a first planar face within a first bounded area, a first reference feature disposed on the first planar face within the first bounded area and corresponding with a first measurable parameter for structural inspection, and a second reference feature disposed on the first planar face within the first bounded area and corresponding with a second measurable parameter for structural inspection. The first and second reference features are positioned within the first bounded area for placement adjacent an element bearing the respective one of the first and second measurable parameters, and the first and second reference features overlap within the first bounded area in at least one direction.