Tool-Free Terminal Post Assembly With Resilient Cap
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Solution Overview
Problem
The proper termination of electrical terminals to terminal posts often requires tools, which can be difficult to use in confined or hard-to-access spaces.
Innovation Solution
A terminal post assembly with a substrate mounting portion, a terminal receiving portion, and a cap receiving portion that allows for tool-free electrical engagement, using a cap with a securing and resiliently deformable portion to retain terminals in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional terminal posts are used, then electrical terminals can be terminated, but tools are required which are difficult to use in confined spaces
Solution Approach 1:
The patent combines the terminal post, terminal receiving portion, and cap into a single integrated assembly. The cap serves multiple functions: it protects the terminal, provides a gripping surface for tool-free removal, and seals the assembly. This merging eliminates the need for separate tools to manipulate or remove terminals, directly resolving the contradiction between ease of operation and device complexity
Solution Approach 2:
The cap is designed with a gripping portion that allows users to manually grasp and remove the cap (and attached terminal) without requiring external tools. The resiliently deformable portion enables the cap to be easily installed by hand by squeezing it to reduce its diameter, then allowing it to expand and snap onto the terminal post. This self-service capability eliminates dependency on specialized tools for confined space operations
2Reliability
If tools are required for terminal termination, then proper electrical connection can be achieved, but installation becomes difficult in hard-to-access spaces
Solution Approach 1:
The terminal post assembly is segmented into distinct functional portions: a substrate mounting portion for secure attachment, a terminal receiving portion for electrical connection, and a cap with gripping portion for tool-free manipulation. This segmentation allows each component to be optimized for its specific function while enabling easy installation in confined spaces, as each segment can be installed and manipulated independently without requiring complex tools
Solution Approach 2:
The cap acts as an intermediary element between the user and the terminal. It provides a gripping surface that mediates the interaction, allowing users to install, adjust, and remove terminals without directly manipulating the terminal itself or requiring specialized tools. The resiliently deformable portion of the cap serves as a mechanical mediator that enables easy installation through hand-squeezing
3Ease of manufacture
If a cap with resiliently deformable portion is used, then tool-free installation is enabled, but the cap structure becomes more complex
Solution Approach 1:
The cap incorporates a resiliently deformable portion made from flexible material that can be compressed radially to reduce the cap's diameter. This flexible shell design allows the cap to be easily installed by hand - the user squeezes the cap to shrink it onto the terminal post, then releases it to expand and snap into place. The flexibility of the shell provides the necessary deformation capability while maintaining structural integrity, achieving tool-free installation without excessive 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
Enables secure and tool-free electrical connection of terminals to substrates, facilitating easier installation and maintenance in challenging environments.
Implementation Method 1
the cap has a cap securing portion and a resiliently deformable portion which extends from the securing portion, the securing portion cooperates with the terminal post to retain the cap on the terminal post
Data Source
AI summary
A terminal post assembly for connecting at least one electrical terminal to a substrate. The terminal post assembly includes a terminal post which has a substrate mounting portion, a terminal receiving portion and a cap receiving portion. The substrate mounting portion has a base and a securing portion which is dimensioned to extend through a mounting opening of the substrate. The terminal receiving portion is configured to receive the at least one electrical terminal thereon and make an electrical connection to the at least one electrical terminal. The cap receiving portion has a cap positioned thereon. the cap cooperates with the at least one electrical terminal to retain the at least one electrical terminal in position on the terminal receiving portion to maintain the electrical connection between the at least one electrical terminal and the terminal receiving portion of the terminal post of the terminal post assembly.