Corner-Line Door Hanger With Adjustable Non-Marring Support
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Solution Overview
Problem
Existing door hangers and over-the-door hook designs often mar doors or door frames, fail to accommodate thick hooks, and are not suitable for frequent door use due to size limitations and weight constraints, especially with newer doors having tighter spaces between the door and frame.
Innovation Solution
A hanger system utilizing tension-bearing lines looped around door corners, with an adjustable mechanism and a hook or body configuration that allows for secure attachment of items without direct contact with the door frame, enabling easy adjustment and use of thicker items without marring the door.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fasteners (nails, screws) are used to hang items, then the hanging is secure and reliable, but the door or structure is permanently defaced
Solution Approach 1:
The patent introduces an over-the-door hook as an intermediary device that spans across the door frame rather than penetrating the door surface. This hook uses the door frame structure itself as the anchoring point, eliminating the need for nails or screws that would deface the door while providing secure hanging capability for wreaths and decorations.
Solution Approach 2:
The hanging system is divided into separate functional components: the hook body that contacts the door frame, the arm that extends outward, and the attachment point for the wreath. This segmentation allows the hook to leverage the door frame structure for support while keeping the contact points minimal and non-invasive to the door surface.
2Weight of moving object
If thick hooks are used to support heavier items, then the weight capacity increases, but the door cannot close properly or the door frame is marred
Solution Approach 1:
The patent employs a thin, flexible wire construction for the hook that can bend and conform to the door frame geometry. This thin profile allows the door to close fully without interference while the wire's tensile strength provides sufficient weight capacity. The flexibility enables the hook to apply pressure distributed across a larger area of the door frame, preventing localized marring.
Solution Approach 2:
The hook design changes the physical parameters of the contacting elements by using a thin, flexible wire instead of a thick rigid material. This parameter change allows the hook to achieve both high weight capacity through proper structural design and minimal interference with door closure, while the flexibility distributes contact pressure to avoid marring the door frame.
3Object-affected harmful factors
If non-marring fasteners (adhesives, magnetic materials) are used, then the door is not defaced, but the weight capacity is limited and reliability decreases
Solution Approach 1:
The over-the-door hook serves as a mechanical intermediary that transfers the weight of the hung item to the door frame structure through tension in the wire and contact at the hook's anchor point. This mechanical connection provides reliable, high-capacity support without requiring adhesives or magnets, thereby maintaining both non-marring properties and high reliability.
4Object-affected harmful factors
If over-the-door hooks are used to avoid defacement, then the door remains intact, but frequent door opening and closing causes the hook to fall off
Solution Approach 1:
The patent designs the hook with dynamic characteristics that allow it to flex and move with the door frame during opening and closing operations. The wire construction can elastically deform to accommodate door movement while maintaining its gripping position, preventing the hook from dislodging over time despite repeated door cycles.
Solution Approach 2:
The flexible wire construction provides a cushioning effect that absorbs the mechanical shocks and vibrations generated during door opening and closing. This beforehand cushioning protects the hook's anchoring position from the repetitive stress that would otherwise cause it to loosen and fall off over time.
Data Source
AI summary
Hangers and methods for supporting an item from a structure. In some examples, the hanger includes a body configured to support the item and lines configured to bear tension, the lines supporting the body from corners of the structure. In some examples, the hanger includes an adjustment mechanism mounted to the body and coupled to the lines, wherein the adjustment mechanism is configured to selectively adjust the position of the body relative to the structure.In some examples, the method includes forming a portion of a first line into a first loop, forming a portion of a second line into a second loop, placing the first loop over the first corner of the structure, placing the second loop over the second corner of the structure, securing the item to the first line, and securing the item to the second line.