Over-Door Hanging System with Spring-Loaded Adjustable Hooks
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Solution Overview
Problem
There is a lack of effective over-door hanging systems with adjustable hooks that allow for optimal storage solutions in limited spaces, as existing systems do not provide the necessary flexibility and functionality for versatile use.
Innovation Solution
An over-door hanging system featuring a cross bar with adjustable hooks and vertical arms, where the hooks can be adjusted vertically and the mounting pins can be spring-mounted or screwed into place, allowing for multiple hook configurations and use with additional organizational elements like sliders and brackets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If hooks are made thin to allow door closure, then door closure is enabled, but hook strength and load-bearing capacity deteriorate
Solution Approach 1:
The hook is divided into two separate components: a thin engagement portion that contacts the door (allowing closure) and a thick mounting portion that bears the load. This segmentation allows each part to be optimized for its specific function - the thin engagement portion enables door closure while the thick mounting portion maintains strength.
Solution Approach 2:
The hook design transitions from a simple thin profile to a three-dimensional structure with varying thickness. The hook has a thin front engagement surface for door contact but a substantially thicker rear mounting surface for strength, creating a dimensional solution that resolves the contradiction between thinness for closure and thickness for strength.
2Adaptability or versatility
If adjustable mechanism is added to hooks, then versatility and storage flexibility improve, but device complexity increases
Solution Approach 1:
The mounting mechanism transforms from a static fixed-position hook to a dynamic adjustable hook that can move vertically along the vertical arm. The spring-loaded pin allows the hook to be easily repositioned between multiple mounting holes, providing adaptability while keeping the adjustment mechanism simple and intuitive.
Solution Approach 2:
The spring-loaded pin automatically engages with mounting holes and provides tactile feedback, allowing users to self-adjust the hook position without requiring tools or complex mechanisms. The spring pressure ensures secure engagement while allowing easy release when force is applied, making the adjustment process self-service oriented.
3Ease of operation
If spring-mounted pins are used for adjustable hooks, then ease of adjustment improves, but manufacturing precision requirements increase
Solution Approach 1:
The spring pin mechanism changes the interaction parameter from rigid fixed positioning to elastic adaptable positioning. The spring allows for slight dimensional variations in mounting hole placement while maintaining secure engagement, reducing the stringency of manufacturing precision requirements compared to rigid interference-fit mechanisms.
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 system enables flexible storage solutions by allowing the door to close while maintaining engagement, and the adjustable mechanism can be used for various organizational purposes beyond hooks, enhancing storage capacity in limited spaces.
Implementation Method 1
The mounting pin can be spring-mounted to the adjustable hanging hooks
Data Source
AI summary
A storage management system having a crossbar and pair of vertical arms which are hung by flat hooks over a door. A pair of slides can slide up and down the vertical arms and are secured using an adjustment mechanism. These slides can provide storage solutions to a side of a door, freeing up other space for additional uses. Such storage solutions may include hooks, baskets, bags, or other storage elements. The adjustment mechanism may include a spring for being pulled out and automatically springing back into a number of adjustment slots along the slides. Alternatively, the adjustment mechanism could simply be screwed into the desired slot, locking the slide in place.