Fastening Clip With Self-Verification Code
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Solution Overview
Problem
Existing methods for attaching fastening clips to vehicle bodies lack a straightforward and efficient way to verify correct installation, making it time-consuming to ensure all clips are securely locked in the final assembly position, especially in hard-to-reach locations.
Innovation Solution
Incorporating a machine-readable code that can only be read when the fastening clip is in its final assembly position, using a specific reader position relative to the clip, and a release element that changes its position or alignment with the head element's movement, ensuring the code is readable only when the clip is correctly installed, allowing for easy documentation of correct installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If fastening clips are installed in large numbers and in hard-to-reach locations, then the vehicle assembly productivity is improved, but the time and effort required to verify correct installation increases significantly
Solution Approach 1:
The fastening clip performs self-verification through the machine-readable code. When the head element is in the correct final assembly position, the code automatically becomes readable by a scanner, providing self-documentation of correct installation without requiring manual inspection or additional verification tools.
Solution Approach 2:
The manual verification process is replaced by an automated optical/electronic reading system. A machine-readable code and scanner replace the need for visual inspection or physical checking of each fastening clip, allowing rapid automated verification of installation correctness.
2Loss of information
If a machine-readable code is added to the fastening clip for verification purposes, then the documentation capability is improved, but the device complexity increases
Solution Approach 1:
The machine-readable code serves multiple functions: it identifies the fastening clip type, confirms correct installation position, and provides documentation capability. This single feature integrates identification, verification, and recording functions that would otherwise require separate systems.
Solution Approach 2:
The code's readability state changes based on the physical position parameter of the head element. When the head element moves to the correct final assembly position, the code transitions from an unreadable to a readable state, providing a clear binary indication of installation correctness.
3Measurement precision
If the code is made readable only in the final assembly position, then the accuracy of installation verification is improved, but the ease of operation during assembly is reduced
Solution Approach 1:
The readable code provides immediate feedback to the assembly process. When the head element is in the correct final assembly position, the code becomes readable, confirming correct installation. If the code cannot be read, it indicates incorrect positioning, guiding the assembler to adjust the position.
Data Source
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AI summary
In a method for mounting a component using a mounting clip (100), wherein the mounting clip (100) has a locking section (106) and a head element (104), the head element (104) is moved from a pre-assembly position to a final assembly position to mount the component. A release element (112) is provided which is moved from a first position, in which a machine-readable code (114) attached to the mounting clip (100) is not readable, to a second position, in which the code (114) is readable, when the head element (104) is moved into the final assembly position.