Rotating Medium Support Unit for Printing Apparatus
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Solution Overview
Problem
Existing medium support units in printing apparatuses are unstable, making it difficult to efficiently switch and print on different surfaces without compromising image quality or requiring extensive reorientation and handling of the medium.
Innovation Solution
A medium support unit with a support section and a frame section, where the frame section includes placement portions that can be positioned on a base to stabilize the support section, allowing easy switching between support faces and preventing the frame from protruding, which reduces obstruction and marking on the medium.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the entire medium support unit is retained on a single rod-shaped rotation shaft, then the medium support unit can be rotated to switch between support faces, but the medium support unit becomes unstable and the medium cannot be stably supported
Solution Approach 1:
The medium support unit is divided into a support section and a frame section. The support section contains the medium-supporting faces, while the frame section provides structural stability through multiple placement portions that contact the rotation shaft at different locations, preventing excessive rotation and stabilizing the support section.
Solution Approach 2:
The frame section acts as an intermediary between the support section and the rotation shaft. It provides multiple placement portions that contact the rotation shaft, mediating the rotation motion and preventing direct excessive rotation of the support section, thereby stabilizing the medium-supporting faces.
2Adaptability or versatility
If the medium is temporarily removed and reoriented, then different positions on the medium can be printed on, but time and effort are consumed
Solution Approach 1:
The medium support unit is designed to be dynamically rotatable about the rotation shaft, allowing the support faces to be switched by rotating the entire unit rather than removing and reorienting the medium. This dynamic rotation capability enables efficient switching between different printing positions.
Solution Approach 2:
Multiple medium-supporting faces are combined into a single integrated support section. By merging multiple support faces into one unit that can be rotated, the system eliminates the need to handle the medium separately for each printing position, reducing time and effort.
3Stability of the object's composition
If the frame section is made to retain the support section, then the support section can be stably supported, but the frame section may protrude from the printing face and obstruct printing
Solution Approach 1:
The frame section is designed with differentiated regions: placement portions that contact the rotation shaft for stability, and a recessed configuration at the printing face side to avoid obstruction. This local quality differentiation allows the frame to provide stability where needed while avoiding interference with printing operations.
Solution Approach 2:
The frame section is designed to be recessed in the depth dimension relative to the support section. By moving the frame structure to a different dimensional position (recessed behind the support faces), it provides structural stability without protruding into the printing space where it would obstruct the printing process.
Data Source
AI summary
A medium support unit that supports a medium to be printed on by a printing apparatus includes a support section and a frame section. The support section has a first support face and a second support face that are capable of supporting the medium. The frame section retains the support section. The frame section includes a first placement portion that is placed on a base of the printing apparatus when the first support face is set as a printing face on which the medium is printed, and a second placement portion that is placed on the base when the second support face is set as the printing face.