Printing Apparatus Horizontal Winding for Easier Roll Removal
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Solution Overview
Problem
Printing apparatuses with a winding unit that sandwiches a paper tube in an axial line direction tend to increase in height, making it difficult to operate and remove roll bodies due to reduced space for the operation.
Innovation Solution
A printing apparatus with a stay extending parallel to the axial line direction supports the winding unit in a direction intersecting with the vertical direction, featuring a medium reception unit with a protruding placement portion for roll bodies, allowing easy removal and temporary placement on the medium reception unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the winding unit is arranged in a substantially vertical direction to provide adequate space for roll body removal operations, then the ease of operation is improved, but the height of the printing apparatus increases
Solution Approach 1:
The patent changes the arrangement direction of the winding unit from vertical to horizontal (another dimension), allowing the roll body removal operation to be performed in the horizontal direction rather than requiring vertical space. This resolves the contradiction by providing adequate operational space without increasing the height of the printing apparatus.
2Length of stationary object
If the winding unit is arranged in a substantially horizontal direction to suppress the height of the printing apparatus, then the height is reduced, but the space for roll body removal operations is reduced making operation difficult
Solution Approach 1:
The patent arranges the winding unit in the horizontal direction (another dimension relative to the vertical direction) to suppress the height of the printing apparatus. The stay extends in the width direction and supports the winding unit, enabling roll body removal operations to be performed in the horizontal direction with adequate space, thus resolving the contradiction between height reduction and operational ease.
3Adaptability or versatility
If a rail-like stay is provided below the winding unit to enable movement in the width direction, then the adaptability is improved, but the height of the printing apparatus increases
Solution Approach 1:
The patent positions the stay in the horizontal direction (another dimension) to support the winding unit, enabling movement in the width direction for adaptability while avoiding vertical space occupation. This resolves the contradiction by providing the needed adaptability without increasing the height of the printing apparatus.
Data Source
AI summary
A printing apparatus includes a printing unit configured to perform printing on a medium, a winding unit configured to support a paper tube in an axial line direction of the paper tube, and wind the medium into a roll shape, a stay being provided to extend in an extension direction in which the winding unit supports the paper tube and being configured to support the winding unit in a support direction intersecting with a vertical direction and the extension direction, and a medium reception unit being held by the stay and being configured to receive a roll body of the medium wound into a roll shape, the roll body being to be removed from the winding unit, wherein the medium reception unit includes a medium placement portion that protrudes in the support direction, and the medium placement portion is configured so that the roll body is placed thereon.