Hand Tool Aligning Roller Chain Links for Pin Insertion
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Solution Overview
Problem
Current chain tools face difficulties in securely locking and aligning roller chain segments for pin removal and insertion, leading to misalignment and operational challenges, especially for users of all ages, including minors.
Innovation Solution
A hand tool with a prime body featuring multiple work stations, operative channels, and a manipulator, including doors and repositories with assistive features like contours and indents, that securely cradle and align linkable units for easy disassembly and assembly of roller chains.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional chain tools are used for pin removal and insertion, then the basic function of chain maintenance is achieved, but secure locking and alignment of roller chain segments is difficult, leading to misalignment and operational challenges
Solution Approach 1:
The patent introduces an intermediary alignment mechanism consisting of alignment pins and guide channels that mediate between the user's manipulation and the chain links. These alignment features act as intermediaries that automatically ensure proper positioning of the chain segments and pins during assembly and disassembly operations, eliminating the need for precise manual alignment while maintaining secure locking.
Solution Approach 2:
The tool incorporates self-aligning features where the chain links and pins automatically position themselves within the tool's guide channels and alignment slots during insertion. The design allows the chain maintenance operation to self-correct minor misalignments through built-in mechanical guides, reducing the skill level required by the user while ensuring reliable alignment and locking throughout the operation.
2Manufacturing precision
If the hand tool includes multiple work stations and operative channels for precise alignment, then manufacturing precision and reliability are improved, but device complexity increases
Solution Approach 1:
The hand tool is divided into distinct work stations and operative channels, each dedicated to specific functions such as pin insertion, pin removal, and chain link alignment. This segmentation allows each component to be optimized for its specific task, ensuring high precision for each operation while organizing the overall complexity into manageable, functionally-separated modules that are easier to manufacture and maintain.
Solution Approach 2:
The patent designs the multiple work stations and operative channels to handle various chain sizes and pin configurations using the same basic mechanical principles. The alignment channels and locking mechanisms are configured to accommodate different dimensions while maintaining the same operational methodology, allowing the complex multi-station tool to function universally across different chain types, thereby justifying the complexity through enhanced versatility and precision.
Data Source
AI summary
A hand tool for assembling and disassembling a work piece. The hand tool can be configured for assembling and disassembling a work piece having a plurality of linkable units. The hand tool can include a first work station where at least one assembling operation can be performed and a second work station where at least one disassembling operation can be performed.