Universal Luggage Handle Bracket for Multi-Size Fit and Repair
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Solution Overview
Problem
Conventional luggage handle systems require multiple dedicated parts for various luggage sizes and designs, increasing manufacturing complexity and costs, and are prone to damage due to torsional and bending loads, with limited repair or replacement options.
Innovation Solution
A universal retractable handle system with a bracket member and tube housing design that allows for adjustable telescoping extension, featuring multiple connection locations and reinforcing flanges, enabling a single set of standardized components to fit different luggage sizes and providing enhanced structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple separate handle components are manufactured for different luggage sizes and models, then each handle can be precisely fitted to its specific luggage model, but manufacturing complexity increases and component inventory costs rise
Solution Approach 1:
The bracket member is designed with multiple connection locations that can accommodate tubes of various lengths, allowing a single bracket design to serve multiple luggage sizes and models. This universal design eliminates the need to manufacture separate handle components for each luggage variant, reducing manufacturing complexity while maintaining precise fit through selective connection point usage.
2Adaptability or versatility
If multiple separate handle components are maintained in inventory, then all luggage models and sizes can be accommodated, but inventory costs and storage requirements increase
Solution Approach 1:
A single universal bracket member with multiple connection locations can accommodate tubes for various luggage sizes and models, eliminating the need to maintain separate inventories of handle components for each luggage variant. This reduces component inventory requirements while maintaining full adaptability across all luggage models through selective tube length and connection point selection.
3Ease of operation
If conventional telescoping tubes are used, then the handle can be extended and retracted, but the tubes are prone to denting and breakage due to torsional and bending loads
Solution Approach 1:
The handle system segments the load-bearing function between the tube (providing telescoping movement) and the bracket member with reinforcing flanges (providing structural support and damage resistance). The reinforcing flanges on the bracket member specifically address torsional and bending loads, protecting the tube from denting and breakage while maintaining full extendability and retraction functionality.
4Ease of operation
If conventional handle designs are used, then the handle functions can be provided, but repair and replacement of damaged tubes is difficult and costly
Solution Approach 1:
The handle system is segmented into modular components (tube and bracket member) that can be independently replaced. The universal bracket design with multiple connection locations allows damaged tubes to be easily removed and replaced with new tubes of the same or different lengths, simplifying repair processes and reducing replacement costs compared to conventional integrated handle designs.
Data Source
AI summary
The invention includes a universal retractable handle assembly for attachment to luggage items of a variety of different sizes. A plurality of tubes having a fixed length can be attached to a bracket member such that each tube can extend in a telescoping manner to a different distance from the bracket member when the handle is in the extended position and thus be employed in different sizes of luggage. Additionally, a tube housing is provided which includes a tube receiving portion and reinforcing portions on an outer surface of the tube housing. The tube receiving portion is formed with an arcuate shape which corresponds with the shape of the tube member to be inserted therein. The reinforcing portions include a plurality of planar flanges which extend beyond the outer surface of the tube receiving portion to provide improved structural characteristics.