Removable Code Shield Attachment for Payment Terminal Stability

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Solution Overview

Problem

Existing code shields for electronic payment terminals face challenges with removable attachment that is both reliable and easy to implement, as current methods like screwing, bonding, and clipping are either not removable or require precise geometry and skill, leading to inefficiencies and potential damage over time.

Innovation Solution

A removable code shield with reversible attachment means, including obliquely extending excrescences on lateral walls and perpendicular lugs, allows for secure and durable attachment to electronic payment terminals without tools, ensuring easy installation and reinstallation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If screwing attachment is used for code shield, then the code shield can be securely attached to the electronic payment terminal, but the code shield cannot be removed and requires assembly from inside the terminal

Engineering Contradiction:

Improveattachment securityVSAvoidremovability and installation accessibility

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The attachment system is divided into separate components: attachment means on the code shield and corresponding receiving means on the terminal. This segmentation allows the code shield to be attached and detached as a separate unit from the terminal, enabling removal while maintaining secure attachment during use.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Instead of requiring internal access for attachment like traditional screwing, the invention provides attachment means on the external surface of the code shield that can be accessed and operated from outside the terminal, reversing the traditional attachment approach.

Inventive Principle:

Principle #13The other way round (Inversion)

2Reliability

If bonding attachment is used for code shield, then the code shield can be securely attached to the electronic payment terminal, but the attachment is difficult to install and cannot be removed

Engineering Contradiction:

Improveattachment securityVSAvoidinstallation difficulty

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The bonding attachment is replaced with segmented mechanical attachment means (excrescences and receiving means) that can be independently positioned and engaged, eliminating the need for precise continuous bonding and reducing installation skill requirements.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The attachment means are designed to be self-aligning and self-securing through the engagement of excrescences with receiving means, eliminating the need for operator skill in precise bonding application and allowing untrained users to install the code shield.

Inventive Principle:

Principle #25Self-service

3Ease of operation

If clipping attachment is used for code shield, then the code shield can be removed and reinstalled, but the attachment resistance is heavily dependent on precise geometry which is difficult to control

Engineering Contradiction:

ImproveremovabilityVSAvoidgeometry precision

Core Design Contradiction:

Ease of operationVSManufacturing precision

Solution Approach 1:

The attachment means utilize asymmetric excrescences with specific orientations (oblique and perpendicular extensions) that engage with corresponding asymmetric receiving means. This asymmetric design provides inherent alignment and tolerance compensation, reducing dependence on precise symmetric geometry while maintaining attachment reliability.

Inventive Principle:

Principle #4Asymmetry

Solution Approach 2:

The invention changes the geometric parameters of the attachment means by providing multiple types of excrescences (oblique and perpendicular extensions) with varying orientations and shapes. This parameter diversity allows the attachment system to accommodate dimensional variations and molding imprecisions while maintaining functional effectiveness.

Inventive Principle:

Principle #35Parameter changes

4Reliability

If traditional attachment methods are used for code shield, then attachment security can be achieved, but the installation and removal processes are time-consuming and require tools or skill

Engineering Contradiction:

Improveattachment securityVSAvoidinstallation and removal time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The attachment means are designed to be self-operating through simple engagement and disengagement actions. The excrescences automatically engage with receiving means during attachment and can be released during removal without requiring tools, specialized skills, or complex procedures, significantly reducing installation and removal time.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The complex attachment mechanisms (screws, bonding agents, precision clips) are extracted and replaced with simple excrescence-based attachment means that can be engaged and disengaged through basic manual actions, eliminating the need for tools and reducing procedural complexity.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS20250209218A1Code shield for an electronic payment terminal and corresponding electronic payment terminal

Publication Date: 2025.06.26 BANKS & ACQUIRERS INT HLDG SAS

AI summary

A removable code shield intended to be assembled to an electronic payment terminal in a reversible manner, thanks to first and second reversible attachments located on the outer face of at least one of the lateral walls of the cache code. The first reversible attachment is formed by at least one excrescence extending obliquely in relation to a plane of the outer face of the lateral wall.