Coating Film Transfer Tool with Movable Guide Walls
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Solution Overview
Problem
Coating film transfer tools often meander during use, leading to uneven transfer and potential detachment of the transfer tape, especially when not using additional tools like rulers, which complicates usability and increases the risk of misplacement.
Innovation Solution
A coating film transfer tool design featuring a transfer head with guide walls and a tip portion that press against the target surface, allowing the transfer head to move independently in the width direction, and an elastic portion to bias the head, ensuring a larger contact area and preventing meandering, even if the tool itself meanders within a certain range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a ruler is used along with the coating film transfer tool to ensure straight transfer, then the coating film can be transferred in a straight manner, but the user needs to carry both tools and there is concern of the ruler being misplaced
Solution Approach 1:
The patent combines the ruler function with the transfer head cover by integrating a guide wall structure into the cover itself. The guide wall protrudes from the cover and provides a straight edge for aligning the transfer tool, eliminating the need for a separate ruler while maintaining the straightness function.
2Device complexity
If the transfer head is pressed onto the transfer-target surface with a fixed structure, then the structure is simple, but the tool meanders during use causing uneven transfer
Solution Approach 1:
The transfer head is designed with a movable structure that can shift laterally within a predetermined range along the sliding direction. This dynamic capability allows the transfer head to compensate for user hand movements and maintain straight transfer even when the tool body meanders, while the guide wall ensures proper alignment.
3Manufacturing precision
If the transfer head can move independently in the width direction, then meandering is reduced, but the structure becomes more complex
Solution Approach 1:
The guide wall is positioned specifically at the edge of the transfer head cover to provide localized guidance and restriction in the width direction. This localized structural feature enables the transfer head to move independently for compensating meandering while maintaining overall structural simplicity through the integrated guide wall design.
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 tool effectively transfers the coating film in a straight manner without meandering, preventing tape detachment and improving usability by allowing the transfer head to absorb movement within its range of motion, thus maintaining a stable transfer process.
Implementation Method 1
an elastic portion to elastically deform when the transfer head moves in the width direction of the transfer tape and to bias the transfer head in a direction opposite to a direction in which the transfer head moves
Data Source
Figure 1(a)~1(g)
Figure 2(a)~3
Figure 4~6
AI summary
Provided is a coating film transfer tool in which a coating film can be transferred onto a transfer-target surface in a straight manner without the coating film meandering, even if the coating film transfer tool meanders when the coating film is being transferred. The coating film transfer tool includes a feeding portion; a transfer press portion; and a winding portion. The transfer press portion is provided with a transfer head that transfers the coating film, the transfer head can move in a width direction of the transfer tape independent of the feeding portion and the winding portion. The transfer head is provided with a pair of guide walls that use their inner surfaces to restrict movement of the transfer tape. The pair of guide walls and a tip portion of the transfer head can press against the transfer-target surface at the same time.