Swingable Partition Member for Ribbon Supply Shaft Access
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Solution Overview
Problem
Existing printers face difficulties in easily replacing the ink ribbon due to the complex positional relationship between the ribbon supply shaft and the ribbon roll-up shaft, which complicates the ribbon replacement process.
Innovation Solution
A thermal transfer printer design that includes a swingable printing unit with a partition member, where the ribbon supply shaft is integrated into the partition member, allowing for easy movement and positioning to facilitate ribbon replacement by swinging the partition member, thereby simplifying the process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the ribbon supply shaft and ribbon roll up shaft are positioned according to feed passages and printer size, then the printer structure is optimized for printing function, but the ink ribbon replacement becomes difficult
Solution Approach 1:
The partition member is made swingable between a closed position (during printing) and an open position (during ribbon replacement). This dynamic positioning allows the ribbon supply shaft to be accessible when needed while maintaining its functional position during operation, resolving the contradiction between ease of ribbon replacement and printing function optimization.
Solution Approach 2:
The printer is divided into functionally independent sections: the partition member that can be opened independently to access the ribbon supply shaft, and the printing portion that remains operational. This segmentation allows ribbon replacement without affecting the printing function, improving ease of operation while maintaining structural complexity only where necessary.
2Ease of operation
If the partition member is opened to access the ribbon supply shaft, then ribbon replacement is facilitated, but the printing function may be interrupted
Solution Approach 1:
The printer structure is segmented so that the partition member containing the ribbon supply shaft can be independently opened without affecting the printing portion. This allows users to replace ribbons while the printing function remains operational or can be quickly resumed, maintaining reliability while improving accessibility.
Solution Approach 2:
The partition member is designed to be openable in advance of actual ribbon replacement needs. Users can prepare ribbon replacement by opening the partition member without interrupting ongoing printing operations, ensuring printing continuity while facilitating easy ribbon access when needed.
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 design enables easier and more efficient replacement of the ink ribbon by exposing the ribbon supply shaft to a accessible position, improving workability and reducing the risk of ribbon looseness and printing failures.
Implementation Method 1
a thermal head that constitutes the printing portion... an ink ribbon is heated and inks of the ink ribbon are transferred to a print medium
Data Source
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AI summary
A printer includes a printing portion configured to print on a print medium, a ribbon supply shaft configured to hold an ink ribbon to be supplied to the printing portion, a ribbon roll up shaft configured to roll up the used ink ribbon, a printing unit provided swingably, the printing unit having a thermal head that constitutes the printing portion, and a partition member swingably provided in the printing unit, the partition member partitioning the ink ribbon and the print medium, and the ribbon supply shaft is provided in the partition member.