Pegboard Hook Slot Connector to Prevent Rotational Dislodgment
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Solution Overview
Problem
Conventional pegboard display systems experience dislodgment of hooks when users apply rotational forces while removing objects, leading to frequent reinstallation of bent wires.
Innovation Solution
A hook design with a first bar, second bar, and connecting bar that forms a slot to securely attach to the pegboard, preventing disconnection under rotational forces, and an arm angled less than 90 degrees to gravitationally bias objects towards the support structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional bent wire is used to connect to the pegboard, then the display system is simple and easy to manufacture, but the hook dislodges when rotational force is applied during object removal
Solution Approach 1:
The hook is divided into multiple bars (first bar, second bar, connecting bar) that form a slot structure. This segmentation allows each bar to contribute to the overall connection stability while maintaining a relatively simple individual component design that is easy to manufacture.
Solution Approach 2:
The slot formed by the multiple bars acts as an intermediary structure that engages with the pegboard aperture. This slot configuration provides a more stable connection interface compared to a simple bent wire, preventing dislodgment while maintaining manufacturing simplicity through the use of standard bar components.
2Reliability
If the hook structure is made more complex to prevent dislodgment, then connection stability improves, but manufacturing complexity and cost increase
Solution Approach 1:
By segmenting the hook into multiple functional bars, the design achieves enhanced connection stability through the slot configuration while allowing each bar to be manufactured using simple, standard processes. The segmented structure can be fabricated from standard stock materials rather than requiring complex custom forming.
Solution Approach 2:
The multiple bars serve both structural and functional purposes: they form the slot geometry for stable engagement with the pegboard while also providing the necessary mechanical strength and flexibility. This multi-functionality reduces the need for additional specialized components, simplifying manufacturing.
3Reliability
If users change their removal technique to avoid rotational force, then hook dislodgment is prevented, but ease of operation decreases
Solution Approach 1:
The slot structure is designed in advance to counteract the rotational force that occurs during natural object removal. The geometry of the slot and its engagement with the pegboard aperture creates resistance to rotational movement, preventing dislodgment before the user can inadvertently apply excessive rotational force.
Solution Approach 2:
The design converts the harmful rotational force into a beneficial locking mechanism. As the user naturally removes an object and applies rotational force, the slot structure engages more securely with the pegboard aperture, transforming what would be a dislodging force into a strengthening force that maintains connection stability.
4Reliability
If the hook is designed to prevent dislodgment under rotational force, then connection reliability improves, but the ability to easily disconnect when necessary is reduced
Solution Approach 1:
The slot structure provides dynamic connection characteristics: it maintains stable engagement under normal operational forces including rotation, but allows for intentional disconnection when sufficient force is applied in the appropriate direction. The geometry of the slot and its interaction with the aperture creates different resistance levels for different types of movement.
Solution Approach 2:
The design inverts the traditional approach by making the connection stable under rotational force rather than preventing rotation entirely. The slot geometry is configured so that rotational movement during object removal strengthens the connection, while deliberate vertical or lateral forces can easily break the engagement for disconnection when needed.
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 hook remains securely attached to the pegboard during object removal, reducing the need for users to change their removal techniques and minimizing the likelihood of disconnection, while allowing for easy vertical disconnection when necessary.
Implementation Method 1
an arm angled relative to the second bar at an angle less than ninety degrees operative to gravitationally bias object or products support by the arms towards the support structure
Data Source
AI summary
A hook and associated support structure can collectively define a retail display system. The hook may include a first bar and a second bar that are connected together via a connecting bar. The first bar and the second bar define a slot that receives an edge of an aperture or slot in the support structure therein to selective attached the hook to the support structure. The orientation of the connecting portions of the hook preclude or reduce the likelihood of disconnection of the hook relative to the support structure when objects are attached to or removed from the hook. In one example, the selective disconnection of the hook from the support structure is only accomplished through a vertical or nearly vertical vector force.