Replaceable Closed Loop Strap Handle for Luggage
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Solution Overview
Problem
Existing luggage handle innovations do not provide a closed loop strap handle that can be replaceably added to modified luggage, lacking a solution for adaptable and secure handling.
Innovation Solution
A closed loop strap handle system comprising a strap and an apparatus that sits within the luggage, where the strap engages into the apparatus to form a replaceable loop, featuring a T-shaped prong, lateral recesses, and hooks for secure attachment, with a base plate, bracket, bearing caps, pivot pin, and coil spring for maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a closed loop strap handle is made replaceably attachable to luggage, then adaptability and ease of replacement are improved, but device complexity increases due to the need for apparatus with prongs, recesses, and engagement mechanisms
Solution Approach 1:
The strap handle system is divided into separate components: the strap itself and the apparatus (which includes the base plate, bracket, and engagement features). This segmentation allows the strap to be easily replaced while keeping the apparatus permanent, resolving the contradiction between replaceability and complexity.
Solution Approach 2:
The apparatus is designed with universal engagement features (prongs, lateral recesses, hooks) that can accommodate different strap configurations. This multi-functionality allows a single apparatus to work with various strap types, improving adaptability without requiring multiple specialized components.
2Reliability
If the strap engages into the apparatus with multiple features (prong, lateral recesses, hooks), then reliability of attachment is improved, but ease of manufacture decreases due to the number of precision features required
Solution Approach 1:
Multiple engagement features (prong, lateral recesses, hooks) are merged into a single integrated apparatus structure. This combining approach ensures reliable attachment through multiple contact points while simplifying manufacturing by creating one unified component rather than multiple separate precision parts.
Solution Approach 2:
Different regions of the apparatus have specialized local features tailored to specific engagement needs. The prongs provide initial insertion guidance, the lateral recesses provide lateral alignment, and the hooks provide final securing. This localized specialization achieves high reliability without requiring the entire apparatus to be manufactured with ultra-precision.
3Ease of operation
If the apparatus sits within the luggage and the strap loops to engage itself, then ease of operation is improved, but device complexity increases due to the self-looping mechanism
Solution Approach 1:
The strap is designed with self-looping capability, where the strap's own structure (with features like eyelets or loop formations) allows it to engage with itself and the apparatus without requiring additional tools or complex assembly steps. This self-service approach simplifies operation while the inherent strap features manage the complexity.
Solution Approach 2:
The strap is pre-configured with engagement features (such as pre-formed loops or eyelets) during manufacturing. This preliminary preparation allows the strap to be easily installed by simply threading it through the apparatus and looping it back, eliminating the need for complex on-site assembly while maintaining ease of operation.
Data Source
AI summary
A closed loop strap handle for a piece of luggage that has been modified to have the closed loop strap handle replaceably added thereon. The closed loop strap handle includes a strap, and apparatus for replaceably having the closed loop strap handle added onto the piece of luggage. The apparatus sits within the piece of luggage. The strap replaceably engages into the apparatus and loops to replaceably engage itself.