Transfer Tool Head Cap Pivot Design for Refill Mounting
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Solution Overview
Problem
In transfer tools with a head cap that covers the transfer head, the head cap and standing plate interfere when a refill is mounted, making the process troublesome due to the need to retract the head cap to an open position.
Innovation Solution
A transfer tool design featuring a pivotally mounted head cap that can turn between close and open positions, with the head cap located outside the inserting and pulling out locus of the transfer head, allowing for easier refill mounting without interference, and an elastic urging mechanism to maintain the head cap in the close position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the head cap is disposed on the side of the case member to cover the transfer head, then the transfer head is effectively covered, but the head cap and standing plate interfere with each other when a refill is mounted, requiring retraction of the head cap to the open position which makes the mounting process troublesome
Solution Approach 1:
The patent positions the head cap in a different spatial dimension relative to the transfer head. Specifically, the head cap is disposed on the side of the case member rather than directly over the transfer head, and is located outside the inserting and pulling out locus of the transfer head. This dimensional repositioning eliminates the interference between the head cap and standing plate during refill mounting while maintaining effective coverage of the transfer head.
2Reliability
If the head cap is positioned to cover the transfer head, then the transfer head is protected, but the structure becomes more complex and the tool size increases
Solution Approach 1:
The patent integrates the head cap directly onto the case member structure, merging these two components into a unified assembly. The head cap is pivotally mounted on the case member and can be disposed on the side of the case member, combining the protective function with the existing case structure without adding separate, complex mechanisms.
3Reliability
If the head cap is disposed in the close position, then the transfer head is covered, but the head cap and transfer head may interfere with each other during refill attachment
Solution Approach 1:
The patent extracts the head cap from the direct path of the transfer head's inserting and pulling out locus. By positioning the head cap outside this locus and on the side of the case member, the design removes the potential for interference between the head cap and transfer head during refill operations, while the head cap remains in a close position to cover the transfer head.
Data Source
AI summary
A transfer tool of the present invention comprises a transfer head which has a folding back guide portion for folding and guiding a transfer tape and a pair of outer walls for supporting side ends of the folding back guide and in which a transfer tape passage is formed between the outer walls, a refill for holding at least the transfer head, a case capable of holding the refill such that the refill can be inserted into and pulled out from the case in one direction, and a head cap which is pivotally mounted on the case through a pivot shaft portion and rotatable between a close position where the transfer head is covered and an open position where the transfer head is exposed, wherein the head cap is located outside an inserting and pulling out locus of the transfer head when the head cap is disposed in the close position.