Payment Terminal Code Shield With Reversible Wedge Attachment
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Solution Overview
Problem
Existing code shields for electronic payment terminals face challenges in removable attachment, with current methods being either difficult to install, not removable, or providing inadequate resistance over time.
Innovation Solution
A removable code shield with reversible attachment means, featuring obliquely extending excrescences on lateral walls that cooperate with corresponding receiving means on the electronic payment terminal, allowing for secure and easy attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If code shields are attached by screwing or bonding, then the attachment is not removable and provides stable attachment, but the installation is difficult and requires factory assembly or skilled personnel
Solution Approach 1:
The attachment system is divided into separate components: excrescences on the code shield and corresponding receiving means on the terminal. This segmentation allows for easy assembly and disassembly while maintaining secure attachment during use.
Solution Approach 2:
The excrescences fit into corresponding receiving means, creating a nested attachment structure. The code shield attaches to the terminal by inserting its excrescences into the terminal's receiving means, enabling tool-free installation and removal.
2Ease of operation
If code shields are attached by clipping, then the code shield is removable and can be installed on place of use, but the resistance is heavily dependent on good geometry which is difficult to control
Solution Approach 1:
The excrescences have an asymmetric design with an oblique extension that provides mechanical advantage during attachment. The oblique angle creates a wedging effect that ensures secure attachment while maintaining ease of installation and removal.
Solution Approach 2:
The excrescences feature a curved or rounded geometry that complements the receiving means, ensuring smooth insertion and secure attachment. The curved design compensates for dimensional variations and maintains reliable attachment resistance.
3Shape
If code shields use three walls geometry, then the code shield provides privacy coverage, but the moulding is difficult to control and dimensions are imprecise
Solution Approach 1:
The attachment means (excrescences and receiving means) are pre-formed as integral parts of the code shield and terminal during manufacturing. This preliminary formation ensures precise dimensions and consistent geometry without requiring additional machining or assembly steps.
Solution Approach 2:
The code shield's excrescences and the terminal's receiving means are designed to self-align and self-attach during installation. The geometric design of the attachment means automatically compensates for minor dimensional variations, ensuring reliable attachment without requiring precision alignment by the installer.
Data Source
AI summary
A removable cache code intended to be assembled to an electronic payment terminal in a reversible manner, thanks to first and second reversible attachment means located on the outer face of at least one of the lateral walls of the cache code.