Circumferential Code Display for Screw Fastening Inspection
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Solution Overview
Problem
Conventional techniques for inspecting fastening parts face limitations due to restricted code display locations, obstruction by protruding fastening materials, and limited free space, which hinders effective identification and inspection.
Innovation Solution
A code display medium with a circumferentially arranged code image display portion and a fixing portion that can be adhered to the object being fastened, allowing for flexible placement and simultaneous capture with the fastening material, enabling optical readability and identification of fastening materials and objects, even when obstructed by protrusions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a code is displayed on a fastening part using conventional techniques, then the fastening part can be identified, but the code display location is restricted due to obstruction by protruding fastening materials and limited free space
Solution Approach 1:
The code image display portion is arranged in the circumferential direction around the screw fastening axis, transitioning from a planar 2D display to a circumferential 3D arrangement. This allows the code to be displayed around the fastening material rather than on a flat surface, enabling optical readability from multiple angles and eliminating obstruction issues.
Solution Approach 2:
The code display medium is divided into a code image display portion and a fixing portion as separate functional elements. The code image display portion can be optimally positioned in the circumferential direction for readability, while the fixing portion attaches to the fastening part, allowing independent optimization of each component's function.
2Adaptability or versatility
If a code is displayed on a fastening part with limited free space, then identification is possible, but the display location is constrained by the small available area
Solution Approach 1:
By arranging the code image display portion in the circumferential direction around the screw fastening axis, the patent utilizes the circumferential space that was previously unused. This transforms the limited radial free space into an extended circumferential display area, effectively increasing the available display area without requiring additional radial space.
3Adaptability or versatility
If multiple code images are arranged circumferentially around the screw fastening axis, then the code can be displayed without location constraints, but the complexity of the display medium increases
Solution Approach 1:
Multiple code images are merged into a single code image display portion that is integrated with the fixing portion to form one unified code display medium. This combining of multiple functional elements (multiple codes, display structure, and attachment mechanism) into a single integrated component simplifies the overall system while maintaining the ability to display codes flexibly in various locations.
Data Source
AI summary
A code display medium includes a code image display portion which arranges a plurality of code images side by side in a circumferential direction around an axis of screw fastening and which displays the plurality of code images so as to be optically readable, each of the plurality of code images including identification information for identifying at least one of a fastening material for the screw fastening and/or an object to be fastened by the screw fastening and a fixing portion which fixes the code image display portion to a position that is on the object to be fastened and that can be simultaneously captured with the fastening material in a state where the screw fastening is performed.