U-Shaped Fastening Device With Elastic Region
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Solution Overview
Problem
Existing fastening devices for recording tools lack flexibility in attachment options, limiting their usability on various surfaces such as clothing, furniture, and walls.
Innovation Solution
A fastening device with a U-shaped fastening part that includes a first investment surface and a second investment area, featuring a stitch-like stiff or bending lake that can be solved between the surfaces, allowing for flexible attachment to different wearing devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional fastening device with fixed structure is used, then the attachment method is simple, but the adaptability to different surfaces (clothing, furniture, walls) is limited
Solution Approach 1:
The fastening device is divided into separate functional components: a support part (for different surfaces), a fastening part (U-shaped structure), and a closure part. This segmentation allows each component to be optimized for its specific function while maintaining overall adaptability across different attachment surfaces.
Solution Approach 2:
The support part can be configured for different surfaces (clothing, furniture, walls), and the U-shaped fastening part with elastic region provides a universal attachment mechanism that works across multiple surface types. The closure part with hinge joint enables both latching and spreading motions to accommodate various fastening scenarios.
2Strength
If the fastening part is made rigid for secure attachment, then the attachment strength is improved, but the ability to position the support part between bearing surfaces is reduced
Solution Approach 1:
The fastening part incorporates an elastic region that allows dynamic deformation. The U-shaped structure can be elastically deformed to spread the legs apart for positioning the support part, then returns to its original shape to provide secure attachment. This dynamic behavior resolves the contradiction between rigidity for strength and flexibility for positioning.
Solution Approach 2:
The elastic region changes the physical state of the fastening part from rigid to flexible during the positioning phase, then maintains a rigid locked state during attachment. The elastic prestress in the legs provides the necessary force to maintain secure attachment after positioning is complete.
3Reliability
If the closure part is always locked to prevent detachment, then the security of attachment is improved, but the flexibility to attach and detach the support part is reduced
Solution Approach 1:
The closure part is designed with a hinge joint that allows it to dynamically switch between locked and unlocked states. When locked, it provides secure attachment preventing detachment. When unlocked, it allows easy attachment and detachment of the support part. This dynamic state change enables both security and flexibility.
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
Enables secure and flexible attachment of recording devices to various surfaces, ensuring the tool is always ready for use and safely stored, preventing unauthorized access.
Implementation Method 1
The first leg and the second leg of the U-shaped fastening part are connected to each other, for example, by means of an elastic region. To arrange the support part between the legs, a free end region of the second leg can be spread apart from the first leg, deforming the elastic region.
Implementation Method 2
The second leg can be provided with an elastic prestress. In this way, the fastening device, and thus the receiving device, can be prevented from moving relative to the support part and from becoming detached from the support part.
Data Source
Figure 1a~1b
Figure 2
Figure 3
AI summary
Fastening device for attaching a portable tool holder to a garment or piece of furniture, wherein the holder is provided with a receiving space for receiving the tool and with a holding device for storing the tool holder on the fastening device, with second holding means associated with the fastening device which cooperate with first holding means of the fastening device, wherein the fastening device has a first contact surface and a second contact surface which face each other, wherein a web-like support element can be detachably positioned between the first contact surface and the second contact surface.