Foldable Ruler Segmented Measurement and Angle Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional rulers lack the ability to efficiently measure long lengths and angles due to their rigid structure, limiting their versatility and accuracy in various applications.
Innovation Solution
A foldable ruler composed of multiple pivotally coupled segments, each with measurement indicia on the sides and angle indicia on the top surface, allowing for flexible alignment and measurement of lengths up to 79 inches and various angles, with a resilient locking mechanism for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a rigid ruler structure is used, then manufacturing simplicity is maintained, but the ability to measure long lengths and angles is limited
Solution Approach 1:
The ruler is divided into multiple telescoping segments that can extend and retract along longitudinal axes. Each segment contains measurement indicia, and the segments can be independently positioned to measure lengths greater than any single segment, effectively resolving the contradiction between measurable length and structural simplicity.
Solution Approach 2:
The ruler transitions from a static rigid structure to a dynamic telescoping mechanism where segments can move relative to each other along longitudinal axes. This dynamic capability enables the ruler to adapt its effective length and configuration to measure both long distances and various angles, while maintaining manufacturing feasibility through standardized segment designs.
2Adaptability or versatility
If a rigid ruler structure is used, then structural simplicity is maintained, but measurement flexibility for angles is limited
Solution Approach 1:
The ruler segments can pivot and rotate relative to each other about longitudinal axes, transforming the ruler from a fixed linear tool to a dynamic multi-angular measurement device. This enables the ruler to measure various angles by positioning segments at different orientations while maintaining a relatively simple segmented structural design.
Solution Approach 2:
The ruler segments are designed with universal characteristics, where each segment can serve multiple functions: measuring linear distances when aligned, measuring angles when pivoted, and providing reference edges in various orientations. This multi-functionality increases adaptability without proportionally increasing structural complexity.
3Measurement precision
If conventional rulers are used, then ease of manufacture is maintained, but measurement precision for long lengths is limited
Solution Approach 1:
By dividing the measurement task across multiple telescoping segments, each segment can maintain high manufacturing precision for its length and indicia. The segments can be individually manufactured and calibrated, then assembled to achieve accurate measurements of much longer lengths, resolving the contradiction between measurement precision and structural simplicity.
Solution Approach 2:
The measurement capability extends beyond a single linear dimension by allowing segments to telescope along longitudinal axes and pivot at joints. This multi-dimensional configuration space enables precise measurement of long lengths through extended telescoping while maintaining manageable segment sizes for high manufacturing precision.
Data Source
AI summary
A foldable ruler includes a first ruler segment, a second ruler segment pivotally coupled to the first ruler segment, a third ruler segment pivotally coupled to the second ruler segment, and a fourth ruler segment pivotally coupled to the third ruler segment. Each of the first, second, third, and fourth ruler segments includes a first side surface and a second side surface opposite the first side surface. At least one of the first and second side surfaces includes a first set of indicia representing units of measurement. Each of the first, second, third, and fourth ruler segments also includes a top surface extending between the first and second side surfaces. The top surface of the fourth ruler segment includes a second set of indicia representing a plurality of angles.