Bicycle Multi-Tool with Magnetic Closure and Nested Storage
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Solution Overview
Problem
Existing bicycle multi-tools lack versatility and convenience in handling tasks such as chain link management, tire changes, and valve core operations, often requiring multiple tools and lacking efficient storage solutions.
Innovation Solution
A multi-tool design featuring pivotally connected plates with magnetic closure, integrated chain link storage, and versatile head portions with gripping jaws and angled tips for chain link engagement, along with a dished section for tire lever functionality and a Y-shaped opening for valve core operations, all housed in a compact, nested structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate tools are used for chain link management, tire changes, and valve core operations, then each tool can be optimized for its specific function, but the overall device complexity and number of tools required increases
Solution Approach 1:
The patent combines multiple bicycle maintenance tools (chain tool, tire levers, valve core tool, hex keys) into a single integrated multi-tool device. The handles of the chain tool serve as the body for housing other tools, and the head portions are configured to receive various functional attachments. This merging approach achieves versatility while maintaining manageable complexity through unified design.
Solution Approach 2:
The multi-tool is designed with universal functionality to perform multiple bicycle maintenance tasks. The head portions can receive different tool attachments (chain tool insert, tire levers, valve core tool, hex keys), allowing a single device to replace multiple specialized tools. The magnetic closure system also serves dual purposes as both a closure mechanism and a storage solution.
2Volume of moving object
If tools are integrated into a compact nested structure, then portability and storage efficiency improve, but the ease of operation and accessibility of individual tools may worsen
Solution Approach 1:
The multi-tool employs a nested structure where tool components are housed within the handles and head portions of the chain tool. The tire levers, valve core tool, and hex keys are stored within cavities in the handles, while the head portions can receive various functional inserts. This nesting achieves compactness while maintaining accessibility through strategic placement and magnetic release mechanisms.
Solution Approach 2:
The magnetic closure system provides self-service functionality by automatically holding tool components in place during storage and allowing easy retrieval through magnetic release. The magnetic elements in the handles automatically secure the nested tools, and the same magnetic force allows users to easily remove tools when needed, eliminating the need for complex fastening mechanisms.
3Ease of operation
If magnetic closure is used for easy handling and storage, then the ease of operation and storage efficiency improve, but the device complexity increases due to additional magnetic components
Solution Approach 1:
The patent replaces traditional mechanical fastening systems (screws, clips, latches) with a magnetic closure system. The magnetic elements provide automatic closure and secure holding of tool components without requiring mechanical fasteners. This substitution simplifies the overall mechanism while maintaining ease of operation, as the magnetic force naturally secures tools in place and allows easy removal through simple pulling motion.
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 multi-tool provides a compact, versatile solution for bicycle maintenance tasks, including chain link management, tire changes, and valve core operations, with magnetic closure ensuring easy handling and storage, enhancing efficiency and convenience.
Implementation Method 1
handles 12 are pivotally connected at joint 14. As such, head 16 may be opened and/or closed (or expanded and/or retracted) by actuation of handles 12
Data Source
AI summary
A multi-tool includes a pair of plates having respective handle portions, joint portions, and head portions, and the plates pivotally connected to each other at the joint portions and having respective opposite edges extended along the handle portions. At least one of the plates is to be pivoted relative to the other of the plates to establish an open position and a closed position of the plates, and, in the closed position of the plates, the plates to overlap each other and the opposite edges of the handle portions of the plates to be substantially aligned.