Magnetic Strap Handling Device for One-Person Truck Loading
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Solution Overview
Problem
Existing fastening strap systems for securing packages on transport vehicles require two users to attach and tension the strap due to the first end detaching by gravity, leading to entanglement issues and inefficiency, especially when trying to attach under the truck bed rather than the lower bar.
Innovation Solution
A handling device featuring a tubular loop with a magnetized bottom wall and oblong slot, allowing secure attachment to both the truck bed and lower side bars without additional moving parts, ensuring the strap remains in place without tangling, and enabling easy, one-person operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the first end of the strap is left free for quick attachment, then attachment speed is improved, but the strap detaches by gravity requiring two users
Solution Approach 1:
The magnet on the handling device automatically holds the first end of the strap without requiring manual intervention or additional users. The magnetic force provides self-sustaining retention, eliminating the need for a second person to prevent gravitational detachment.
Solution Approach 2:
The magnet exerts an upward magnetic force that counteracts the downward gravitational force on the strap's first end. This counterbalancing force prevents the strap from detaching under gravity while maintaining quick attachment capability.
2Reliability
If the first end of the strap is fixed to prevent detachment, then attachment reliability is improved, but the process takes longer and limits attachment locations
Solution Approach 1:
The patent replaces traditional mechanical fixing methods (knots, wraps, carabiners) with a magnetic field-based retention system. The magnet on the handling device provides reliable strap retention through magnetic attraction, eliminating the need for time-consuming mechanical fastening operations.
Solution Approach 2:
The magnetic handling device automatically maintains strap fixation without requiring additional fixing operations. The magnet continuously holds the strap in place during attachment and tensioning, eliminating the need for separate securing steps that would consume time.
3Ease of operation
If the first end of the strap is fixed around the lower bar, then attachment is simplified, but resistance is reduced compared to attaching under the plate
Solution Approach 1:
The magnetic handling device enables the strap to be reliably attached to multiple different locations including both the lower bar and under the plate. The magnet provides consistent retention force regardless of attachment location, making the system versatile across different mounting surfaces.
Solution Approach 2:
The patent changes the retention mechanism from gravity-dependent (requiring specific orientations) to magnetism-dependent (effective in various orientations and locations). This allows the strap to be securely attached to different structures including horizontal plates and vertical bars with equal reliability.
4Reliability
If additional fixing mechanisms are added to prevent strap fallback, then prevention capability is improved, but device complexity and weight increase
Solution Approach 1:
The patent extracts the retention function from complex mechanical systems and implements it through a simple magnet on the handling device. This single magnetic element provides prevention capability without adding moving parts, complex mechanisms, or significant weight to the system.
Solution Approach 2:
The patent replaces potential mechanical retention mechanisms (clamps, locks, additional fasteners) with a magnetic field-based solution. The magnet provides prevention capability through magnetic attraction without requiring mechanical complexity or additional moving parts.
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 device allows rapid, secure, and versatile attachment of straps to various truck parts, preventing detachment and tangling, while being lightweight, resistant, and economical, facilitating easy implementation without the need for additional tools or parts.
Implementation Method 1
a bottom wall provided with at least one magnet for attachment to the structure
Data Source
Figure 1~3
Figure 4~5
Figure 6a~8a
AI summary
The invention relates to a handling device (10) for a strap (S) used to secure a package to a structure, allowing for quick attachment of the strap without risk of it falling or becoming tangled. The device according to the invention comprises a tubular loop (10) having an upper wall (11) provided with an oblong opening (12), transverse to the strap, and a lower wall (13) provided with at least one magnet (14) for attachment to the structure.