Nested Shock Isolation Frames for Display Protection

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Solution Overview

Problem

Portable information handling systems, such as laptops and tablets, are susceptible to damage from impact events due to the rigidity of their enclosures, which causes the cover glass to break or delaminate, and traditional ruggedization methods increase weight and bulk, compromising aesthetics and functionality.

Innovation Solution

An internal shock isolation system utilizing multiple frames, where an inner frame with a smaller perimeter is housed within an outer frame, and interspatial area filled with energy-absorbing braces, allowing the inner frame to move relative to the outer frame during impacts, thereby dissipating energy without compromising structural integrity or aesthetics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional ruggedization methods are used to protect against impact events, then reliability is improved, but weight and bulk increase

Engineering Contradiction:

Improveimpact protectionVSAvoidsystem weight

Core Design Contradiction:

ReliabilityVSWeight of moving object

Solution Approach 1:

The patent implements nesting by placing an inner frame inside an outer frame, creating a hierarchical structure where the inner frame is contained within the outer frame's perimeter. This nested configuration provides impact protection through multiple structural layers without requiring external ruggedization attachments, thereby protecting against impact events while avoiding additional weight and bulk from external protective cases.

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent divides the protective structure into separate segments: an outer frame, an inner frame, and multiple braces positioned in interspatial areas. This segmentation allows each component to independently absorb and distribute impact forces, providing reliable impact protection through distributed structural support rather than a single heavy protective layer.

Inventive Principle:

Principle #1Segmentation

2Reliability

If traditional ruggedization methods are used to protect against impact events, then reliability is improved, but aesthetic appeal deteriorates

Engineering Contradiction:

Improveimpact protectionVSAvoidaesthetic appeal

Core Design Contradiction:

ReliabilityVSShape

Solution Approach 1:

The patent merges the protective function with the structural frame itself by integrating the inner frame and outer frame into the device's primary enclosure. This combination eliminates the need for separate external protective cases that would compromise aesthetic appeal, as the protective structure becomes the visible frame of the device, maintaining sleek appearance while providing impact protection.

Inventive Principle:

Principle #5Merging (Combining)

3Strength

If rigid enclosure structures are used, then structural strength is improved, but susceptibility to impact damage increases

Engineering Contradiction:

Improvestructural strengthVSAvoidimpact damage susceptibility

Core Design Contradiction:

StrengthVSObject-affected harmful factors

Solution Approach 1:

The patent applies local quality by positioning multiple braces specifically in interspatial areas between the inner and outer frames, concentrating structural reinforcement at locations most vulnerable to impact forces. This localized bracing provides enhanced structural strength and impact resistance at critical points without requiring uniform thickening of the entire enclosure, thereby reducing overall rigidity while maintaining protective capability.

Inventive Principle:

Principle #3Local quality

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

The internal shock isolation system effectively absorbs and dissipates impact energy, reducing damage to the display and cover glass while maintaining the system's structural strength and aesthetic appeal, without the need for external ruggedization.

Implementation Method 1

a first plurality of braces in an interspatial area. The interspatial area is between the perimeter of the inner frame and the perimeter of the outer frame

Methodology Applied

Scientific EffectEnergy absorption: Deformation

Data Source

PatentUS10070556B1Methods and system for internal shock isolation

Publication Date: 2018.09.04 DELL PROD LP

AI summary

Methods and systems are disclosed for internal shock isolation in an information handling system. The method includes directing a tool to mold an outer frame of an information handling system, and directing the tool to mold an inner frame of the information handling system. The inner frame has a perimeter less than the perimeter of the outer frame. The method further includes directing the tool to construct a first plurality of braces in an interspatial area. The interspatial area is between the perimeter of the inner frame and the perimeter of the outer frame.