Rotating Protective Case with Sliding Tracks for Screen Protection

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Solution Overview

Problem

Existing protective solutions for smartphones fail to provide simultaneous scratch-resistance and pressure-resistance without incurring additional replacement costs, with adhesive films peeling off over time and hard shells lacking in both areas or being inconvenient to use.

Innovation Solution

A protective case design comprising a front case, baffle, and baseplate with fastening mechanisms that allow the mobile device to be turned over, ensuring the screen or back is protected with enhanced scratch and pressure resistance, featuring a rail system for combination and pivoting, and sliding tracks for easy use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If adhesive film wrapping is used to protect the screen, then scratch-resistance is improved, but the adhesive film may peel off as time goes by requiring replacement

Engineering Contradiction:

Improvescratch-resistanceVSAvoiddurability of protective layer

Core Design Contradiction:

Object-affected harmful factorsVSReliability

Solution Approach 1:

The protective case combines a hard shell made from plastic or metal with a soft material layer, creating a composite structure that provides both scratch-resistance and pressure-resistance. The hard outer shell protects against scratches while the soft inner layer absorbs impact forces from drops, solving the durability issue of single-material protective solutions.

Inventive Principle:

Principle #40Composite materials

2Strength

If hard shell is used to improve pressure-resistance, then drop protection is improved, but scratch-resistance and pressure-resistance cannot be provided simultaneously without additional replacement costs

Engineering Contradiction:

Improvepressure-resistanceVSAvoidscratch-resistance

Core Design Contradiction:

StrengthVSObject-affected harmful factors

Solution Approach 1:

Inventive Principle:

Principle #40Composite materials

3Shape

If leather cover covering is used, then aesthetic appearance is improved, but convenience is reduced due to needing to unlock buckle and lift cover

Engineering Contradiction:

Improveaesthetic appearanceVSAvoidconvenience of access

Core Design Contradiction:

ShapeVSEase of operation

Solution Approach 1:

The protective case incorporates a rotating mechanism that allows the case to turn 360 degrees, enabling the user to access the screen or back of the device by simply rotating the case rather than unlocking buckles or lifting covers. This dynamic design maintains aesthetic appearance while significantly improving ease of operation.

Inventive Principle:

Principle #15Dynamics

4Shape

If transparent plastic membrane is used for hard shell, then aesthetic appearance is improved, but pressure-resistance is reduced and it turns yellow over time

Engineering Contradiction:

Improveaesthetic appearanceVSAvoidpressure-resistance

Core Design Contradiction:

ShapeVSStrength

Solution Approach 1:

Inventive Principle:

Principle #40Composite materials

Data Source

PatentUS8905232B2Protective case

Publication Date: 2014.12.09 KEYSTONES INTPROP MANAGEMENT

AI summary

A protective case comprises a front case, a baffle, at least one fastening, and a baseplate. A mobile device can be installed into the front case. When the front case is combined with the at least one fastening as pivots, the front case may be slid and turned over in sliding tracks of the baseplate so that a screen of the mobile device can be protected.