Coating Film Transfer Tool Button Elastic Mechanism
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Solution Overview
Problem
Users inexperienced with coating film transfer tools often apply inconsistent pressure or cause the transfer head to meander, leading to bends or breaks in the transferred coating film, as existing tools lack effective mechanisms to guide proper holding and pressure application.
Innovation Solution
A coating film transfer tool with a button and elastic member that ensures the pressing and transferring portion is pressed against the film receiving surface only when the button is pressed, featuring a rotation-in-conjunction mechanism and external force action reduction portion to stabilize pressure and prevent unintended retraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a coating film transfer tool is provided with a fingertip contact portion or recessed portions for finger contact, then the tool can be held by users, but inexperienced users still do not know how to hold the tool effectively and apply consistent pressure
Solution Approach 1:
The tool automatically returns the transfer head to the retracted position after coating film transfer by utilizing the elastic member's restoring force. This self-service mechanism eliminates the need for users to manually control the retraction, ensuring consistent operation and pressure application without requiring user experience or knowledge.
2Ease of operation
If the transfer head is allowed to move freely during coating film transfer, then the tool is easy to operate, but the transfer head meanders and applies inconsistent pressure causing bends or breaks in the coating film
Solution Approach 1:
The elastic member applies a preliminary restoring force to counteract any external forces that might cause the transfer head to meander or apply inconsistent pressure. This pre-established counter-force ensures the transfer head maintains its position and applies consistent pressure throughout the coating film transfer process, preventing bends or breaks.
3Device complexity
If the button is positioned far from the transfer head, then the tool structure is simple, but the user cannot apply pressure effectively to the transfer head
Solution Approach 1:
The button is positioned asymmetrically close to the transfer head rather than at the center or far end of the tool. This asymmetric positioning allows users to apply pressure effectively to the transfer head while maintaining a relatively simple tool structure, resolving the contradiction between structural simplicity and operational effectiveness.
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 ensures consistent and stable pressure application, allowing inexperienced users to transfer the coating film effectively without bends or breaks by guiding the user to press the button near the transfer head, thus optimizing the holding and pressure application.
Implementation Method 1
an elastic member configured to urge the button toward the outside of the external cassette
Data Source
AI summary
Provided is a coating film transfer tool comprising an external cassette and an internal cassette housed in the external cassette. The internal cassette includes a supply portion configured to supply transfer tape having a coating film on substrate tape. A pressing and transferring portion is configured to transfer the coating film to a film receiving surface by pressing the transfer tape against the film receiving surface, a take-up portion is configured to take up the substrate tape after the coating film is transferred, and a rotation-in-conjunction mechanism is configured to rotate the supply portion and the take-up portion in conjunction with each other. The external cassette includes a button and an elastic member. The pressing and transferring portion sticks out of the external cassette by the button being pressed, and the pressing and transferring portion retracts into the external cassette by the pressing of the button being stopped.