Spring-biased end caps for rod assembly and methods of use
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Solution Overview
Problem
Existing adjustable end cap systems for support rods are complex and difficult to use, requiring improved designs to simplify construction and operation.
Innovation Solution
The implementation of a spring-biased end cap system that includes an outer body, an inner body, and a helical compression spring, which adjusts to provide tension between the rod assembly and support surfaces, ensuring secure holding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional adjustable end cap systems are used, then the rod assembly can be adjusted to fit between support surfaces, but the construction and operation become complex and difficult to use
Solution Approach 1:
The end cap is divided into an outer body and an inner body that can move independently relative to each other. The inner body slides within the outer body, allowing separate functions: the outer body provides mounting and adjustment while the inner body provides securement through the spring mechanism. This segmentation simplifies each component's design while maintaining overall adjustability.
Solution Approach 2:
The inner body is nested within the outer body, with the inner body sliding inside the outer body's cavity. The spring is also nested within the end cap structure, positioned between the inner and outer bodies. This nested arrangement consolidates multiple components into a compact unit, reducing construction complexity while preserving adjustability functionality.
2Adaptability or versatility
If traditional adjustable end cap systems are used, then the rod assembly can be adjusted to fit between support surfaces, but the operation becomes difficult to use
Solution Approach 1:
The spring mechanism automatically engages and disengages the inner body with the support surface without requiring manual intervention. When the rod assembly is positioned, the spring's elastic force automatically secures the end cap to the support surface, and when adjusted, the spring automatically releases. This self-service mechanism eliminates complex manual securing operations while maintaining adjustability.
Solution Approach 2:
The inner body is designed to move dynamically within the outer body, sliding freely during adjustment and then being secured by the spring mechanism. The spring provides dynamic tension that adapts to different positions, automatically engaging to secure the end cap or allowing movement during adjustment. This dynamic behavior simplifies operation by eliminating manual securing steps.
3Reliability
If a spring mechanism is added to provide tension, then securement between support surfaces is improved, but the device complexity increases
Solution Approach 1:
The spring mechanism is merged with the end cap structure itself rather than being a separate external component. The spring is positioned within the cavity of the outer body and works in conjunction with the inner body to provide securement. This integration combines the spring's reliability-providing function with the existing end cap components, achieving securement without proportionally increasing overall device complexity.
Solution Approach 2:
The inner body acts as an intermediary between the spring and the support surface. The spring applies force to the inner body, which then transmits this force to the support surface through contact. This intermediary role allows the spring mechanism to provide reliable securement while keeping the spring itself compact and integrated within the end cap structure, minimizing the increase in construction complexity.
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 spring-biased end cap system simplifies the adjustment and securement of support rods by providing consistent tension, enhancing ease of use and stability between mounting surfaces.
Implementation Method 1
a spring-biased end cap system that includes an outer body, an inner body, and a helical compression spring, which adjusts to provide tension between the rod assembly and support surfaces
Data Source
AI summary
A spring-biased end cap for mounting a rod assembly is provided including an outer body, an inner body, and a spring engaging both the outer body and the inner body to change a position of the inner body relative to the outer body upon compression or expansion of the spring. A rod is received within the outer body and fixed to the inner body. In embodiments, the spring has a first end portion connected to the outer body, a second end portion capable of being connected to the inner body to connect the outer body to the inner body, and an intermediate portion extending within a cavity of the outer body. A rod assembly including the spring-biased end cap and a method of mounting a rod assembly using the spring-biased end cap are also provided.