Curved Reversing Path for Compact Recording Device Height
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Solution Overview
Problem
Existing recording devices face challenges in maintaining a compact height due to the need for a longer reversing path for recording media, which requires structural components to be moved vertically, increasing the device's height and complexity.
Innovation Solution
A recording device design featuring a curved reversing path that includes a vertically upward component, allowing for a sufficient reversing path length while minimizing the device's height by overlapping storage sections and reversing paths, and using angled transport paths to optimize space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a longer reversing path is used to reverse the recording medium, then the reversing path is more advantageous in that it is adaptable to longer recording media and a time for drying can be assured, but it is necessary to move structural bodies vertically upward or downward, which increases the height of the recording device
Solution Approach 1:
The patent applies dimensionality change by transitioning from a conventional vertical reversing path to a horizontally extending curved path. The reversing path is configured to extend in the width direction (horizontal dimension) rather than primarily in the vertical direction, allowing the medium to be reversed over a longer distance without increasing device height. This is achieved through curved transport paths that guide the medium horizontally between cassettes and recording units positioned at different horizontal locations but similar vertical levels.
Solution Approach 2:
The patent employs curvature by using curved transport paths instead of straight vertical lines for the reversing operation. The medium follows curved trajectories guided by curved transport members, allowing it to change direction smoothly while extending the reversing path length horizontally. This curved configuration enables the medium to traverse a longer path for reversal and drying without requiring vertical structural extensions.
2Length of moving object
If structural bodies are moved vertically to elongate the reversing path, then the reversing path length increases, but the device complexity increases due to vertical movement mechanisms
Solution Approach 1:
The patent applies segmentation by dividing the reversing operation into multiple horizontal segments rather than requiring a single vertical movement. The medium is transported through a sequence of horizontal curved paths between different recording units and cassettes positioned at similar vertical levels. This segmented horizontal approach eliminates the need for complex vertical movement mechanisms while achieving the required reversing path length through distributed horizontal transport segments.
3Length of stationary object
If a compact device height is maintained, then the device size is reduced, but the reversing path length is insufficient for longer recording media and adequate drying time
Solution Approach 1:
The patent resolves this contradiction by utilizing the horizontal width dimension to extend the reversing path length while maintaining compact vertical height. Multiple recording units and cassettes are arranged horizontally at similar vertical levels, connected by curved transport paths that extend the reversing distance without vertical growth. This allows the medium to traverse a long horizontal path for reversal and drying within a vertically compact device structure.
Solution Approach 2:
The patent applies merging by combining multiple functional units (cassettes and recording units) into a horizontally integrated system at similar vertical levels. Instead of stacking units vertically to save space, they are arranged horizontally and connected through curved transport paths, merging their functions into a compact horizontal configuration that provides sufficient reversing path length while maintaining small device height.
Data Source
AI summary
A recording device has: at least one medium storage section that stores a medium on which to perform recording; a recording section positioned vertically above the medium storage section, the recording section performing recording on the medium; and a reversing path by which the medium that passed through a position at which the medium faces the recording section is reversed in a direction including a vertically upward component by being transported in a transport direction including a vertically downward component and being made to pass through a curved reversing path curved so as to be convex downward. When only one medium storage section is provided, an overlap is found between at least part of the one medium storage section and at least part of the curved reversing path when viewed horizontally. When a plurality of medium storage sections are provided, an overlap is found between at least part of the topmost medium storage section in the vertical direction and at least part of the curved reversing path when viewed horizontally.