Zip Puller Holder with Magnetic Platform for Luggage

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Solution Overview

Problem

Existing zipper pull-tab arrangements for luggage are difficult to position correctly in lock mechanisms, especially in low light conditions or for users with limited dexterity, and often require specific interlocking that can be challenging to achieve.

Innovation Solution

A zip puller retention arrangement that includes a platform with positioning magnets to hold zipper pull-tabs in a substantially perpendicular orientation to the zipper tape, using magnetic forces to securely attach the pull-tabs to the platform, allowing for easy alignment and retention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If zipper pull-tabs are interlocked together to achieve specific positioning for lock mechanism reception, then the positioning precision is improved, but the ease of operation deteriorates due to difficulty in manipulation especially in low light conditions or for users with limited dexterity

Engineering Contradiction:
Improvepositioning precisionVSAvoidease of operation
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The platform pre-positions the zipper pull-tabs in the correct orientation and location before the user needs to use them. The magnetic attachment mechanism automatically holds the pull-tabs in the proper interlocked state, eliminating the need for users to manually manipulate and interlock them at the moment of use. This preliminary positioning action resolves the contradiction by providing both precise positioning and ease of operation.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The platform acts as an intermediary device between the zipper pull-tabs and the user's manual manipulation efforts. By providing a magnetic attachment surface that automatically holds and positions the pull-tabs, the platform mediates the interaction, making the positioning process simple and intuitive while maintaining the required precision for lock mechanism reception.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If a lock mechanism is mounted on the luggage case to secure zipper pull-tabs, then the reliability of preventing unauthorized access is improved, but the device complexity increases due to the need for specific interlocking arrangements

Engineering Contradiction:
Improvesecurity reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The platform combines multiple functions into a single device: it provides magnetic attachment for the zipper pull-tabs, pre-positions them in the correct orientation, and prepares them for lock mechanism reception. This merging of functions maintains security reliability while reducing device complexity by eliminating the need for separate interlocking mechanisms and positioning structures.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The magnetic platform provides self-service positioning of the zipper pull-tabs. The magnetic force automatically attracts and positions the pull-tabs in the correct orientation without requiring complex mechanical interlocking mechanisms. This self-positioning capability maintains security while simplifying the overall device structure.

Inventive Principle:
Principle #25Self-service

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 solution provides a user-friendly and secure method for retaining zipper pull-tabs, making them easier to use and align, especially for individuals with limited dexterity or vision, while maintaining a clean and aesthetically pleasing appearance.

Implementation Method 1

using magnetic forces to securely attach the pull-tabs to the platform

Methodology Applied
Scientific EffectMagnetic force: Magnetism

Data Source

PatentUS11350707B2Zip puller holder arrangement for luggage and bags
Publication Date: 2022.06.07 TUMI INC
  • US11350707B2 patent drawing
  • US11350707B2 patent drawing
  • US11350707B2 patent drawing

AI summary

A luggage article includes a body that includes a zippered opening (15) that has at least one zipper arrangement having a zipper tape (14). The zipper arrangement includes one or more zipper sliders (16, 20) and one or more zipper pull-tabs (18, 22). Each of the one or more zipper sliders (16, 20) is joined to a respective one of the one or more zipper pull-tabs (18, 22). The luggage article includes a means (26) for holding the one or more pull-tabs in a substantially perpendicular arrangement to the zipper tape (14) of the zipper arrangement.