Coil-Shaped Spring Fastener for Tool-Free C-Channel Attachment
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Solution Overview
Problem
Existing methods for attaching and detaching materials from c-channel grooves require tools and access to the ends of the groove, making replacement cumbersome and costly, especially in large-scale applications like solar panel cleaning systems and automotive industries.
Innovation Solution
A coil-shaped element that is resiliently compressible and can be navigated through the c-channel groove from any point, allowing for tool-free attachment and detachment by applying a force to bias the element into the groove and then restoring it to secure within the channel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional methods are used to attach materials to c-channel grooves, then secure attachment is achieved, but tool access to the ends of the groove is required and replacement is cumbersome
Solution Approach 1:
The attachment mechanism is divided into separate functional components: a fastener element with resilient arms that can be independently inserted and activated, and a c-channel groove that receives the fastener. This segmentation allows the fastener to be attached from the end of the groove without requiring disassembly of the entire structure or access to multiple locations.
Solution Approach 2:
The resilient arms of the fastener element automatically engage with the inner surface of the c-channel groove upon insertion, creating a self-securing mechanism. The elastic deformation of the arms provides automatic locking without requiring additional tools or complex assembly steps, making the attachment process self-service.
2Productivity
If materials are attached using end-access methods, then secure connection is achieved, but replacement time and maintenance cost increase
Solution Approach 1:
The fastener element is designed with pre-formed resilient arms that are ready to engage upon insertion. The arms are pre-loaded with elastic energy and automatically deform to match the groove dimensions upon insertion, eliminating the need for on-site adjustment or complex assembly procedures during maintenance.
Solution Approach 2:
The fastener element can be independently removed from the c-channel groove without affecting other components or requiring disassembly of the entire structure. This extraction capability allows for rapid replacement of individual fasteners or attached materials, significantly reducing maintenance time.
3Reliability
If tools are used to secure brush flaps in c-channels, then reliable attachment is achieved, but operating and maintenance costs increase
Solution Approach 1:
The resilient arms of the fastener element automatically engage and secure the attached material to the c-channel groove through elastic deformation. This self-securing mechanism eliminates the need for tools during both installation and maintenance, reducing labor costs and simplifying the manufacturing process while maintaining reliable attachment.
Solution Approach 2:
The fastener element is designed as a simple, inexpensive component that can be quickly replaced if needed. The use of basic elastic materials and simple geometry makes the fastener economical to manufacture, reducing overall operating and maintenance costs even if the fastener itself has a limited service life.
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 flexible and efficient replacement of materials at any point along the c-channel, reducing maintenance costs and time, and allowing for easy replacement of elements in the middle of a series without the need for tools.
Implementation Method 1
The coil-shaped element is in a biased state such that it is navigable through the aperture of the c-channel groove
Implementation Method 2
The coil-shaped element restores within the channel toward the second dimension so as to secure itself within the c-channel groove
Data Source
AI summary
A method and device for attaching and detaching material to a c-channel groove without requiring tools and without needing to access an end of the c-channel. The device comprises a coil-shaped element that is resiliently compressible and connected to a desired material. Through biasing or twisting the coil-shaped element, it is insertable at any point along a c-channel groove. The coil-shaped element is secured within the c-channel groove against separation therefrom through friction. A portion of the coil-shaped element can be extended outside of the c-channel groove for easy removal.