Removable Screen Protector Rail System for Interchangeable Cases

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Solution Overview

Problem

Existing protective cases with built-in screen protectors are difficult to modify, and adhesive screen protectors are not reusable or easily interchangeable, making it challenging to switch between different screen protectors based on environmental needs, such as moving from private to public spaces.

Innovation Solution

A protective case design featuring a removable, reusable, and interchangeable screen protector system that includes a rail system for easy attachment and detachment, allowing users to quickly switch between various screen protectors stored in a wearable container, each with specialized attributes for different environments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a protective case with a built-in screen protector is used, then the screen protector is protected and integrated, but the screen protector cannot be easily exchanged or removed without complete disassembly of the protective case

Engineering Contradiction:
Improvescreen protector interchangeabilityVSAvoidprotective case assembly complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The protective case is divided into separate functional components: the case body and the screen protector are detached from each other. The screen protector can be independently removed and replaced without disassembling the entire case, enabling easy interchangeability while maintaining case integrity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The screen protector is extracted as a separate, removable component from the protective case assembly. This allows the screen protector to be independently handled, removed, and replaced without affecting the structural integrity or requiring disassembly of the case itself.

Inventive Principle:
Principle #2Taking out (Extraction)

2Adaptability or versatility

If adhesive screen protectors are used, then screen protector replacement is possible, but the protectors are not reusable and require discarding after one use

Engineering Contradiction:
Improvescreen protector replaceabilityVSAvoidscreen protector waste
Core Design Contradiction:
Adaptability or versatilityVSLoss of substance

Solution Approach 1:

The invention inverts the traditional disposable model by making the screen protector reusable through a mechanical retention system. Instead of adhesive bonding that destroys the protector upon removal, the mechanical clips and slots allow repeated attachment and detachment cycles without damage or waste.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

3Reliability

If adhesive screen protectors are applied, then screen protection is achieved, but the application process requires time, patience, and clean environment to avoid dust and air bubbles

Engineering Contradiction:
Improvescreen protector adhesion qualityVSAvoidscreen protector installation time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The invention replaces the adhesive bonding mechanism with a mechanical retention system using clips and slots. This substitution eliminates the need for careful surface preparation, dust-free environments, and time-consuming application processes. The mechanical system provides immediate, bubble-free attachment simply by snapping the protector into place.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Strength

If built-in screen protectors are used in protective cases, then the screen protector is integrated and protected, but removal requires complete disassembly of the protective case

Engineering Contradiction:
Improvescreen protector integrationVSAvoidscreen protector removal ease
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The protective case system is segmented into modular components with the screen protector as an independent element. Retention clips and slots provide secure integration during normal use, yet allow simple separation when replacement is needed, achieving both strong integration and easy removal without case disassembly.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS9287916B2Removable screen protector
Publication Date: 2016.03.15 OTTER PRODUCTS LLC
  • US9287916B2 patent drawing
  • US9287916B2 patent drawing
  • US9287916B2 patent drawing

AI summary

A protective case can include a removable screen protector that is reusable and easily interchangeable by hand. In one example, the protective case can be part of a kit that includes a plurality of removable screen protectors, and the removable screen protectors can each have special attributes that allow a user to quickly and easily modify the attributes of the protective case by simply exchanging a first removable screen protector with a second removable screen protector. In this way, the user can quickly and easily modify the attributes of the protective case to better align with practical considerations of the user's environment.