Battery Tab Clip Mechanism for Shock Absorption

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Solution Overview

Problem

Traditional battery designs for mobile information handling systems, which use molded plastic mounting tabs, are prone to breaking upon impact and cannot be easily repaired, necessitating costly battery replacements.

Innovation Solution

The use of discreet tab clips and snap holders secured to a chassis assembly, which secure the battery without screws and incorporate soft materials to absorb shock, enhancing durability and allowing for potential reuse of tab clips.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If molded plastic mounting tabs are used to secure the battery, then the battery can be firmly attached to the chassis, but the mounting tabs are prone to breaking upon impact and cannot be easily repaired

Engineering Contradiction:
Improveattachment strengthVSAvoiddurability under impact
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

The battery mounting system is divided into separate components: tab clips attached to the battery and snap holders attached to the chassis. This segmentation allows the rigid plastic tabs to be replaced with a more resilient snap-fit mechanism that can better absorb impact forces without breaking.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mounting mechanism transitions from a rigid plastic tab design to a snap-fit mechanism that incorporates elastic deformation. The snap holders and tab clips are designed to flex and rebound during impact, changing the mechanical parameters from rigid connection to flexible connection that maintains attachment strength while absorbing shock.

Inventive Principle:
Principle #35Parameter changes

2Device complexity

If traditional molded plastic tabs are used, then the battery structure is simple, but the tabs break easily and require costly battery replacements

Engineering Contradiction:
Improvemounting structure complexityVSAvoidrepairability
Core Design Contradiction:
Device complexityVSEase of repair

Solution Approach 1:

By separating the battery mounting components into tab clips and snap holders, the system enables independent replacement of mounting components without replacing the entire battery. This segmentation dramatically improves repairability while maintaining relatively simple individual component designs.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The snap holders remain attached to the chassis and can be reused, while only the tab clips need to be replaced when damaged. This approach recovers the majority of the mounting system components, reducing waste and repair costs compared to replacing the entire battery assembly.

Inventive Principle:
Principle #34Discarding and recovering

3Reliability

If multiple battery models are maintained for different durability requirements, then specific performance needs are met, but inventory management becomes complex and costly

Engineering Contradiction:
Improvebattery durabilityVSAvoidinventory variety
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The snap holder and tab clip mechanism is designed as a universal mounting system that can accommodate different battery types and sizes. This standardized interface allows a single mounting component design to serve multiple battery configurations, eliminating the need for different mounting systems for different battery models and simplifying inventory management.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

This design improves battery durability, reduces the need for multiple battery models, simplifies inventory management, and lowers costs by providing a flexible and shock-absorbing mechanism that resists fatigue and micro-drop damage.

Implementation Method 1

Each tab clip includes a soft component portion within the tab clip

Methodology Applied
Scientific EffectShock absorption: Elasticity

Data Source

PatentUS11259436B2Information handling system with a battery tab mechanism to optimize battery flexibility
Publication Date: 2022.02.22 DELL PROD LP
  • US11259436B2 patent drawing
  • US11259436B2 patent drawing
  • US11259436B2 patent drawing

AI summary

A system includes a chassis assembly, a snap holder secured to the chassis assembly, and a second snap holder secured to the chassis assembly. A first tab clip may be snap-fitted onto the first snap holder to secure the first tab clip to the first snap holder, and a second tab clip may be snap-fitted onto the first snap holder to secure the second tab clip to the second snap holder. Each tab clip includes a soft component portion within the tab clip. A battery may be affixed to the first and second tab clips after the tab clips are secured to the snap holders.