Retractable Handle with Magnetic Locking for Luggage
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Solution Overview
Problem
Conventional retractable handles in containers are prone to damage when overloaded, and existing luggage organization systems require external supports or bulky frames, making them impractical for efficient load management and access.
Innovation Solution
A retractable and extendable handle system with a movable retaining pin and actuator that locks into a handle seat, allowing load-bearing forces to be transferred to the container structure, combined with a self-assembling shelf system within the suitcase that uses the container's frame for support, eliminating the need for external frames and enabling easy access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a retractable handle is used in a container, then the handle can be extended for pulling the container, but the handle mechanisms are prone to damage when overloaded during lifting
Solution Approach 1:
The handle system transitions from a static fixed handle to a dynamic retractable handle that can extend and retract. The handle includes extendable arms with telescopic sections that can be extended for pulling operations and retracted for storage, adapting its configuration based on operational needs while maintaining structural integrity through controlled mechanical transitions
Solution Approach 2:
A retaining pin acts as an intermediary locking mechanism between the extendable arms and the handle body. The retaining pin secures the arms in extended or retracted positions, preventing unintended movement during lifting operations and ensuring the handle maintains its intended configuration, thereby protecting the regulatory mechanisms from overload damage
2Stability of the object's composition
If a rigid frame is used to support a clothing storage system within luggage, then the structure can stand freely, but the weight and space requirements become unacceptable
Solution Approach 1:
The clothing storage system is merged with the existing luggage structure by using the luggage's own frame as the support structure. The system integrates shelves, hanging rods, and compartments that attach to and utilize the luggage's structural elements, eliminating the need for separate rigid support frames and reducing overall weight while maintaining stability
Solution Approach 2:
The luggage frame serves multiple functions: it provides the primary structural support for the container, acts as the support structure for the integrated clothing storage system, and enables the handle mechanism to function. This multi-functionality eliminates redundant structural elements and reduces the overall weight of the system
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 handle system ensures safe load management without damaging the handle, and the integrated shelf system provides efficient unpacking and separation of clean and dirty laundry without additional weight or space constraints.
Implementation Method 1
The pin locking magnet is configured to be attracted to the locking magnet. The attraction between the pin locking magnet and locking magnet is stronger than the attraction between the pin retracting magnet and the handle retracting magnet
Implementation Method 2
A pin retracting magnet cooperates with a handle retracting magnet
Data Source
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AI summary
A handle structure (200) for a container (100) or folding structure includes a handle (201) with an actuator (202), a movable retaining pin (203), an extendable and retractable arm(204), and a handle seat (205) cooperating with a structural part of the container (100) and with a recess (206). The retaining pin (203) is retracted within the handle (201) by a fastening member. The fastening member includes a pin locking magnet (208) for cooperating with a recess locking magnet (209) in the recess (206); and a pin retracting magnet (211) for cooperating with a handle retracting magnet (207). The container (100) may be a suitcase (600), toolbox or other container with extendable and retractable arms (204)/handles (201).