Ladder-Base Film Applicator for Universal Phone Positioning

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Solution Overview

Problem

Current film applicators for mobile phones are not universal, require customization for different phone models, lack one-click automatic positioning, and do not support thickness adjustment, leading to increased costs and reduced user experience.

Innovation Solution

A universal film applicator with a ladder-shaped base featuring a first housing, phone slot, lens groove, support platform, hinged bracket, fixed plate, automatic contraction component, thickness fine adjustment component, and roller component, allowing for automatic positioning and thickness adjustment of mobile phones without customization.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If film applicators are customized for each phone model, then positioning accuracy is improved, but manufacturing cost increases and device complexity increases

Engineering Contradiction:

Improvepositioning accuracyVSAvoidmanufacturing cost

Core Design Contradiction:

Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The film applicator employs a universal clamp structure with adjustable clamping positions and a standardized ladder-shaped base that can accommodate multiple phone models. The clamp mechanism can be positioned at different locations along the phone body through adjustment components, allowing a single applicator design to serve various phone sizes and shapes without requiring model-specific customization, thereby reducing manufacturing costs while maintaining positioning accuracy.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The film applicator incorporates dynamic adjustment components including movable clamps, adjustable support legs, and flexible positioning mechanisms that can adapt to different phone geometries. These dynamic elements allow the applicator to reconfigure itself for different phone models rather than requiring rigid model-specific designs, resolving the contradiction between precision and manufacturing complexity.

Inventive Principle:

Principle #15Dynamics

2Manufacturing precision

If film applicators are customized for each phone model, then positioning accuracy is improved, but device complexity increases

Engineering Contradiction:

Improvepositioning accuracyVSAvoidstructure complexity

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The applicator uses a universal clamp and support structure with standardized adjustment mechanisms that can accommodate various phone models through a single design platform. The ladder-shaped base with adjustable legs and movable clamps provides a unified structure that simplifies the overall design while maintaining the ability to position accurately on different devices, reducing both complexity and manufacturing cost.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The film applicator is divided into modular segments including adjustable support legs, movable clamps, and a standardized ladder-shaped base. This segmentation allows each component to be independently adjusted or replaced, simplifying the overall structure while maintaining positioning accuracy across different phone models without requiring complete redesigns.

Inventive Principle:

Principle #1Segmentation

3Device complexity

If a universal film applicator is designed, then device complexity is reduced, but positioning accuracy deteriorates

Engineering Contradiction:

Improvestructure complexityVSAvoidpositioning accuracy

Core Design Contradiction:

Device complexityVSManufacturing precision

Solution Approach 1:

The universal applicator employs dynamic adjustment mechanisms including movable clamps that can slide along the phone body, adjustable support legs that can be positioned at different angles, and flexible positioning components that adapt to various phone geometries. These dynamic elements enable a single universal structure to achieve accurate positioning on different phone models by reconfiguring itself rather than relying on rigid model-specific designs.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The film applicator utilizes adjustable parameters such as clamp position, support leg angle, and base configuration that can be modified to accommodate different phone models. By changing these parameters through adjustment components, the universal applicator maintains positioning accuracy across various devices without requiring structural redesign, thus resolving the contradiction between universality and precision.

Inventive Principle:

Principle #35Parameter changes

4Ease of manufacture

If fixed film applicator structure is used, then manufacturing cost is reduced, but adaptability to different phone thicknesses deteriorates

Engineering Contradiction:

Improvemanufacturing costVSAvoidthickness adjustment capability

Core Design Contradiction:

Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The film applicator incorporates dynamic adjustment components including movable support legs with adjustable height, flexible clamp mechanisms that can adapt to different phone thicknesses, and configurable positioning systems. These dynamic elements allow the fixed manufacturing structure to provide variable positioning capabilities for different phone models and thicknesses, resolving the contradiction between manufacturing simplicity and adaptability.

Inventive Principle:

Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables sharing of the film applicator across different phone models and adjusts to varying thicknesses, improving user experience and practicality by eliminating the need for model-specific designs.

Implementation Method 1

one end of a third spring is connected to the first connecting bolt, and the other end of the third spring is connected to a protrusion at the bottom of the fixed plate

Methodology Applied