Flexible C-Shaped Eaves Clip for Decorative Lights
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Solution Overview
Problem
Existing eaves clips for hanging decorative lights are prone to dislodgment and breakage due to limited width and height adaptability, and concentration of stress at joints, which restricts their use on varying eave widths and heights.
Innovation Solution
An elongated C-shaped eaves clip with a flexible plastic body having memory, inwardly curved ends, and a hook, along with teeth for improved gripping and a reinforcing rib, allowing it to accommodate eave widths from ⅝ inch to over 2 inches without breaking, by distributing stress throughout the body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If U-shaped clips with rigid arms are used to hold decorative lights on eaves, then the clip can maintain its shape and holding force, but the clip can only fit a narrow range of board widths and will break or weaken when arms are spread apart repeatedly
Solution Approach 1:
The patent changes the physical state of the clip material from rigid to flexible by using a flexible plastic material that can bend and flex. This allows the clip to adapt to different board widths while maintaining holding force through elastic recovery, resolving the contradiction between strength and adaptability.
Solution Approach 2:
The patent introduces dynamic flexibility to the clip structure, allowing the arms to move and flex rather than being fixed rigidly. This dynamic capability enables the clip to adjust to various board widths and recover repeatedly without breaking, solving the contradiction between maintaining holding force and adapting to different dimensions.
2Stability of the object's composition
If U-shaped clips with rigid arms are used to hold decorative lights on eaves, then the clip can maintain its shape, but repeated opening and closing or opening too wide will cause the clip to break or weaken along the joints between arms and base
Solution Approach 1:
The patent changes the material parameter from rigid to flexible plastic, which allows the entire structure to flex uniformly rather than creating stress concentrations at rigid joints. This eliminates the weak points where breaks would occur during repeated use, simultaneously maintaining structural integrity and improving durability.
Solution Approach 2:
The patent integrates the hook and arms as a continuous flexible structure rather than separate rigid components joined at stress-prone joints. This segmentation elimination distributes stress throughout the entire flexible body, preventing localized failure during repeated opening and closing operations.
3Adaptability or versatility
If clips are designed for use on eaves having a width of 5⁄8 inch, then the clip can fit narrow eaves securely, but the clip cannot be used on wider eaves such as 2 inch width without being too long or breaking
Solution Approach 1:
The patent uses flexible plastic material that can be stretched and bent to accommodate different eave widths. The flexibility allows the same clip design to adapt to widths from 5/8 inch to 2 inches while maintaining sufficient holding force through elastic recovery, resolving the contradiction between adaptability and strength.
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 clip securely attaches to eaves of varying widths and heights, reducing the likelihood of breakage and providing a wide range of adaptability, ensuring stable and repeated use without weakening.
Implementation Method 1
The elongated body is made of a flexible plastic having a memory such that the curved ends may be moved away from one another by a force acting on at least one of the curved ends. When the force is removed the memory will cause the distal ends of the clip to move together.
Implementation Method 2
The inward curvature enables the curved ends to unravel to some extent. Thus, the combination of this unraveling of the ends and the flexing of the curved intermediate portion enables this clip to fit onto eaves ranging in width from 5⁄8 inch to over two inches without breaking.
Data Source
AI summary
A clip for hanging decorative lights from the eaves of a house has an elongated C-shaped body. This body has an intermediate curved section extending between two ends that curve inwardly. A hook is attached to the outside surface of the intermediate curved section. The elongated body is made of a flexible plastic having a memory such that the curved ends may be moved away from one another by a force acting on at least one of the distal ends. When the force is removed the memory will cause the distal ends of the clip to move together. The inward curvature enables the curved ends to unravel to some extent. The combination of the unraveling of the ends and the flexing of the curved intermediate portion enables this clip to fit onto eaves ranging in width from ⅝ inch to over two inches without breaking.