Zipper Pull Tab Attachment with Spherical Gripping Surface

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Typical zipper pull tabs are too short, narrow, and thin for comfortable gripping, especially for individuals lacking fine motor skills, such as toddlers and older children or adults with dexterity issues.

Innovation Solution

A zipper pull tab attachment that includes a top component with fastening components and a bottom component with protrusions, forming an interior space to encase the zipper pull tab, providing an enlarged gripping surface that can be comfortably gripped by wrapping several fingers and/or the palm of a hand.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a typical zipper pull tab is used, then the zipper can be operated with precision grip, but it is too short, narrow, and thin for comfortable gripping by individuals lacking fine motor skills

Engineering Contradiction:

Improvegrip comfortVSAvoidgripping surface area

Core Design Contradiction:

Ease of operationVSArea of moving object

Solution Approach 1:

The patent transforms the pull tab from a two-dimensional flat surface to a three-dimensional spherical object. The attachment comprises a first component and a second component that form a substantially spherical shape with an interior space, converting the gripping interface from a flat plane to a volumetric form that can be grasped from multiple angles and dimensions.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent explicitly employs spherical geometry for the attachment components. The first and second components form a substantially spherical shape with curved outer surfaces, providing a rounded gripping surface that is ergonomically superior to flat or angular shapes. The curvature allows fingers to wrap around the object naturally, improving grip comfort for users with limited dexterity.

Inventive Principle:

Principle #14Spheroidality (Curvature)

2Ease of operation

If the zipper pull tab is made larger to enable power grip, then it becomes easier to grip with multiple fingers, but the original precision grip capability may be compromised

Engineering Contradiction:

Improvepower grip capabilityVSAvoidprecision grip accuracy

Core Design Contradiction:

Ease of operationVSMeasurement precision

Solution Approach 1:

The patent divides the attachment into separable first and second components that can be independently manufactured and assembled. This segmentation allows the overall structure to achieve a larger size for power grip while maintaining precise fastening features (magnetic attraction, snap-fit mechanisms, or interlocking geometries) that ensure accurate alignment and secure attachment to the zipper pull tab.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The attachment serves as an intermediary device between the user's hand and the zipper pull tab. It provides a enlarged spherical interface for comfortable gripping while incorporating fastening components (magnetic, mechanical, or interlocking) that precisely connect to the original pull tab, thereby mediating between the need for large grip surface and precise attachment.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Adaptability or versatility

If an attachment is added to enlarge the gripping surface, then accessibility is improved, but the device complexity increases

Engineering Contradiction:

ImproveaccessibilityVSAvoidattachment structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The attachment is designed to perform multiple functions: it enlarges the gripping surface for accessibility, provides structural support, and incorporates fastening mechanisms for secure attachment. The spherical geometry and modular component design allow the same basic structure to accommodate different fastening methods (magnetic, mechanical, or interlocking), making the solution universally applicable to various zipper types without requiring complex customization.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The attachment components are designed to nest together, with the first and second components forming an interior space that encases the zipper pull tab. This nested structure allows the attachment to compactly surround the original pull tab while maintaining a relatively simple overall form factor, reducing the complexity increase that would otherwise result from adding an external enlargement structure.

Inventive Principle:

Principle #7Nested doll (Nesting)

Data Source

PatentUS12220025B2Zipper pull tab attachment for providing an enlarged gripping surface to a zipper pull tab

Publication Date: 2025.02.11 KARMAKAR SRIMONTI

AI summary

A zipper pull tab attachment for providing an enlarged gripping surface to a zipper pull tab. Further, the zipper pull tab attachment may include a top component and a bottom component. Further, the top component may include a top fastening component. Further, the bottom component may be configured to be removably attached to at least a portion of the top component. Further, the top component and the bottom component form an interior space when attached together. Further, the interior space may be configured for encasing at least a part of the zipper pull tab. Further, the bottom component may include a bottom fastening component. Further, the top fastening component may be configured to mate with the bottom fastening component. Further, the bottom component may include a protrusion. Further, the protrusion may be configured to pass through an opening of the zipper pull tab.