Adjustable Fastener Setting Tool for Variable Board Widths
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Solution Overview
Problem
Existing fastener setting tools have limited width adjustment capabilities, requiring complex and cumbersome mechanisms, and are prone to malfunction due to dust or debris, limiting their usability for a wide range of board widths.
Innovation Solution
A fastener setting tool with a spacer assembly and adjustable abutment members, featuring a guideway with locking teeth and a slider mechanism for precise width adjustment, allowing engagement with a wider range of board sizes and improved robustness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a complex adjustment mechanism is used to accommodate different board widths, then the width adaptability is improved, but the device complexity increases and reliability decreases
Solution Approach 1:
The tool body is divided into modular components including a fixed abutment member and an adjustable abutment member that can be independently positioned. The adjustment mechanism is segmented into discrete positioning slots that allow the adjustable abutment member to be set at different locations along the tool body, enabling width adaptation without requiring a complex continuous adjustment system.
Solution Approach 2:
The patent employs a simple, robust adjustment mechanism using discrete positioning slots and corresponding pins or detents rather than complex mechanical linkages. This approach prioritizes reliability and ease of manufacture over continuous adjustability, accepting limited width ranges in exchange for a simpler, more dependable mechanism that is less prone to failure from dust or debris.
2Adaptability or versatility
If a complex adjustment mechanism is used to accommodate different board widths, then the width adaptability is improved, but the reliability decreases due to dust or debris
Solution Approach 1:
The adjustment mechanism uses discrete, separated positioning slots rather than continuous mechanical linkages. This segmentation creates isolated, protected spaces where dust and debris cannot easily interfere with the adjustment function, improving reliability while still allowing multiple width settings through the array of slots.
Solution Approach 2:
The adjustable abutment member incorporates self-locking features such as detents or cam-locked pins that automatically secure the member in selected positioning slots without requiring additional fastening operations. This self-service mechanism reduces the number of moving parts exposed to contaminants, thereby improving reliability.
3Device complexity
If a limited width range mechanism is used, then the device complexity is reduced, but the adaptability decreases
Solution Approach 1:
The tool body incorporates multiple positioning slots arranged to accommodate various board widths within a practical range. Each slot represents a different width configuration, allowing the same simple adjustment mechanism to serve multiple width requirements. This multi-functional approach enables the tool to handle different board sizes without requiring different tools or overly complex mechanisms.
Solution Approach 2:
The adjustment mechanism extends the width adjustment capability along the longitudinal axis of the tool body by providing multiple positioning slots at different locations. This dimensional arrangement allows a simple linear adjustment system to achieve what would otherwise require a more complex multi-axis mechanism, effectively expanding the adaptability range while maintaining mechanical simplicity.
Data Source
AI summary
A fastener setting tool for installing a fastener into a board structure, comprising a tool body having a bottom surface and a longitudinal axis; a spacer assembly, comprising a first abutment member, having a first engagement surface, and a second abutment member, having a second engagement surface opposingly spaced apart from said first engagement surface, each one of said first and second abutment member extending away from and in a direction normal to said bottom surface of said tool body, said spacer assembly being configured to cooperatingly positioningly engage the board structure; at least one fastener guide operably coupled to any one of said first and second abutment member, and configured to guidingly receive a fastener for the board structure; and a spacer adjustment mechanism, adapted to selectively lockingly move at least one of said first and second abutment member in a direction along said longitudinal axis.