Removable Tab Exposing Battery Top Surface for Handling

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Solution Overview

Problem

Conventional hearing aid battery tabs cover the entire top surface of the battery, making it difficult for elderly individuals with declining hand function to insert and remove batteries, leading to frequent dropping and frustration.

Innovation Solution

A removable tab design that exposes a portion of the battery's top surface, allowing for easier handling and removal by allowing a gripping region adjacent to the tab end and a battery cell attachment region with inwardly curved sidewalls, enabling consumers to apply a peel force while stabilizing the battery.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the entire top surface of the battery is covered by and adhered to the tab, then the tab facilitates handling by consumers, but inserting the battery presents handling challenges including frequent inadvertent dropping

Engineering Contradiction:
Improvehandling easeVSAvoiddropping frequency
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The tab is segmented into two functional regions: a gripping region at the first tab end for consumer handling, and a battery cell attachment region at the second tab end adhered to the battery. This segmentation allows the consumer to grip the tab while the exposed portion of the battery top surface provides additional stability during insertion, reducing inadvertent dropping.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the tab are assigned different functions: the first tab end region serves as a gripping region for handling, while the second tab end region serves as the battery cell attachment region. This local differentiation optimizes both handling ease and operational reliability by providing appropriate interaction points for different operational needs.

Inventive Principle:
Principle #3Local quality

2Area of stationary object

If the entire top surface of the battery is covered by the tab, then the tab provides full coverage, but it makes it difficult for elderly individuals with declining hand function to insert and remove batteries

Engineering Contradiction:
Improvetab coverage areaVSAvoidinsertion and removal ease
Core Design Contradiction:
Area of stationary objectVSEase of operation

Solution Approach 1:

The invention extracts a portion of the top surface coverage from the tab, leaving the battery cell attachment region partially exposed. This extraction creates a gripping region that is easier for elderly individuals to grasp and manipulate, improving insertion and removal ease while maintaining sufficient coverage through the battery cell attachment region.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of having the tab cover the entire top surface for maximum coverage, the invention inverts the approach by deliberately leaving a portion exposed. This exposed portion becomes a functional gripping region that facilitates easier handling for elderly individuals, demonstrating that reducing coverage in one area can improve operational ease in another.

Inventive Principle:
Principle #13The other way round (Inversion)

3Ease of operation

If a removable tab design exposes a portion of the battery's top surface, then easier handling and removal is enabled, but the tab structure becomes more complex

Engineering Contradiction:
Improvehandling easeVSAvoidtab structure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The tab is divided into two main segments: a gripping region and a battery cell attachment region. This segmentation provides functional benefits for easier handling while maintaining relatively simple construction. The segmented design allows for straightforward manufacturing and assembly without introducing excessive structural complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention changes the geometric parameters of the tab, specifically the position of the second tab end inwardly away from the circumferential edge of the battery. This parameter adjustment creates the exposed battery top surface portion while maintaining a simple tab structure that is easy to manufacture and apply.

Inventive Principle:
Principle #35Parameter changes

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

Facilitates easier insertion and removal of batteries by allowing direct pressure on the exposed surface, reducing accidental drops and improving user experience, especially for elderly consumers.

Implementation Method 1

The battery cell attachment region is made of an adhesive material and is adhered to the top surface of the battery

Methodology Applied
Scientific EffectAdhesion: Adhesive

Data Source

PatentUS11621451B2Removable tab and battery assembly having the same
Publication Date: 2023.04.04 DURACELL US OPERATIONS INC
  • US11621451B2 patent drawing
  • US11621451B2 patent drawing
  • US11621451B2 patent drawing

AI summary

A battery assembly includes a battery that has a top surface surrounded by a circumferential edge; and a removable tab attached to the top surface. The removable tab includes a first tab end and an oppositely disposed second tab end; a gripping region disposed adjacent to the first tab end; and a battery cell attachment region disposed adjacent to the second tab end and attached to the top surface of the battery. The battery cell attachment region has first and second oppositely disposed sidewalls, wherein the second tab end is curved inwardly away from the circumferential edge of the battery such that a portion of the top surface of the battery is exposed between the second tab end and the circumferential edge of the battery