Trampoline Spring Puller With Fulcrum for Even, Safe Installation
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Solution Overview
Problem
The installation of trampoline springs is laborious and poses safety hazards due to non-uniform distribution, making it difficult to install springs evenly and increasing the risk of accidental spring extension and rebound.
Innovation Solution
A puller device with a pull rod, force fulcrum, and hook is designed to facilitate even spring installation by leveraging the fulcrum principle, allowing for easy attachment and detachment of springs to the trampoline frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If springs are installed by hand pulling, then no additional tools are needed, but the installation process becomes laborious and unsafe due to non-uniform spring distribution
Solution Approach 1:
The patent introduces a spring installation tool as an intermediary device between the installer and the spring. This tool includes a hook for engaging the spring end, a fulcrum for leveraging, and a handle for applying force. The intermediary tool enables controlled, safe, and efficient spring installation by providing mechanical advantage, thereby resolving the contradiction between ease of operation and productivity.
2Device complexity
If manual spring installation is used, then device complexity is minimal, but safety hazards increase due to uncontrolled spring extension and rebound
Solution Approach 1:
The spring installation tool acts as a controlled intermediary that manages the spring's energy. The hook securely engages the spring, the fulcrum provides a stable pivot point, and the handle allows controlled application of force. This intermediary mechanism prevents uncontrolled spring extension and rebound, significantly improving safety while maintaining reasonable device complexity.
Solution Approach 2:
The tool design incorporates safety features that cushion potential hazards before they occur. The fulcrum positioning and hook engagement are designed to control spring movement in advance, preventing sudden releases or rebounds that could cause injury. This prior cushioning approach ensures safe operation throughout the installation process.
3Productivity
If non-uniform spring distribution occurs, then installation speed may increase on some sides, but installation quality deteriorates due to uneven spring placement
Solution Approach 1:
The spring installation tool provides consistent, controlled force application regardless of spring position. The fulcrum mechanism ensures uniform engagement and placement of each spring, while the handle allows precise control over the installation process. This intermediary tool maintains manufacturing precision by ensuring even spring distribution throughout the trampoline frame, preventing the non-uniform placement that occurs with manual installation.
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 puller device enables efficient and safe installation of trampoline springs, reducing labor and minimizing safety risks by ensuring even distribution and controlled spring attachment.
Implementation Method 1
A puller device with a pull rod, force fulcrum, and hook is designed to facilitate even spring installation by leveraging the fulcrum principle
Data Source
Figure 1
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AI summary
A puller for spring connection of a trampoline is provided. The puller includes: a pull rod; a force fulcrum connected to the pull rod such that a positioning recess is formed between the force fulcrum and the pull rod, and a hook comprising a rear end connected to the pull rod and a front end comprising a hook head configured to attach to a spring.