Nail Set With Rotating Dual Punch Tools and Spring Lock
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Solution Overview
Problem
Nail sets with multiple punch tools of different gauges face challenges in efficiently switching between tools to accommodate varying nail head sizes for effective countersinking, as existing designs lack a convenient mechanism for tool rotation and locking.
Innovation Solution
A nail set with an elongated body and a pivot axis, featuring a tool member with two differently sized punch tools that can be selectively rotated and locked in place using a locking mechanism, allowing easy switching between tools by moving a locking member between locked and unlocked positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple punch tools of different gauges are integrated into a single nail set, then the versatility and adaptability of the tool is improved, but the device complexity increases due to the need for a rotation and locking mechanism
Solution Approach 1:
The patent combines multiple punch tools of different gauges into a single tool member that is integrated with the nail set body. The tool member includes a first punch tool and a second punch tool of different sizes, allowing the user to switch between them by rotating the tool member about a pivot axis. This merging approach provides versatility for different nail head sizes while maintaining a compact, unified device structure.
Solution Approach 2:
The tool member is designed to be selectively rotatable about a pivot axis, transitioning between a locked position where rotation is inhibited and an unlocked position where rotation is permitted. This dynamic capability allows the user to easily switch between different punch tools by rotating the tool member, while the locking mechanism ensures stability during use. The spring-loaded locking member automatically engages to secure the tool member in the desired rotational position.
2Reliability
If a locking mechanism is added to secure the tool member during use, then the reliability of the tool is improved, but the ease of operation decreases due to the additional steps required to lock and unlock
Solution Approach 1:
The locking mechanism is designed to be spring-loaded, automatically engaging and disengaging based on the rotational position of the tool member. When the tool member is rotated to a desired position, the spring-loaded locking member automatically snaps into place to secure it, eliminating the need for manual locking operations. Similarly, when the user applies force to rotate the tool member, the locking member automatically disengages. This self-service approach maintains reliability while preserving ease of operation.
Solution Approach 2:
The spring-loaded locking member acts as an intermediary between the tool member and the nail set body. It provides automatic engagement and disengagement based on the rotational position of the tool member, mediating between the need for stability during use and the need for easy switching. The locking member translates the rotational motion of the tool member into automatic locking or unlocking actions, simplifying the user interface.
3Ease of operation
If the tool member can be rotated to switch between punch tools, then the ease of operation is improved, but the device complexity increases due to the pivot axis and locking mechanism
Solution Approach 1:
The tool member is segmented into distinct portions, each containing a different punch tool gauge. The first end portion has a first punch tool and the second end portion has a second punch tool. This segmentation allows the tool member to be rotated about a pivot axis to bring different punch tools into useable positions. The pivot axis is positioned to allow convenient rotation while maintaining structural integrity. The locking mechanism is segmented into a locking member and a locking feature, allowing independent optimization of each component.
Solution Approach 2:
The patent introduces rotation about a pivot axis as an additional degree of freedom, allowing the tool member to be oriented in different angular positions to access different punch tools. This dimensional change from a linear arrangement to a rotational arrangement provides ease of operation for switching between tools. The pivot axis and locking mechanism are designed to accommodate this rotational motion while maintaining a compact structure, effectively adding a rotational dimension to the tool's functionality.
Data Source
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AI summary
A nail set includes an elongated body having a longitudinal axis and a pivot axis. The nail set also includes a tool member supported by the elongated body at the pivot axis. The tool member includes a first end portion having a first punch tool and a second end portion having a second punch tool that is different than the first punch tool. The tool member is selectively rotatable about the pivot axis. The nail set further includes a locking member supported by the elongated body and is movable between a first position, where the locking member engages the tool member to inhibit rotation of the tool member about the pivot axis, and a second position, where the tool member is rotatable relative to the elongated body about the pivot axis.