Printing Device Colorimeter Mount for Stable Parallel Contact
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Solution Overview
Problem
Existing printing devices face issues with colorimeters being inclined when strongly pressed against a medium, leading to inaccurate color measurement.
Innovation Solution
A printing device with a mounting section that includes an accommodation member and a pressing member to stabilize the colorimeter, allowing it to be pressed against the medium while maintaining parallelism and preventing inclination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the colorimeter is strongly pressed against the medium, then the color measurement contact is improved, but the colorimeter posture becomes inclined leading to measurement inaccuracy
Solution Approach 1:
The mounting section is divided into an accommodation member and a pressing member. The accommodation member holds the colorimeter while the pressing member applies force. This segmentation allows the colorimeter to be pressed against the medium without the entire mounting structure tilting, as the pressing member can accommodate variations in medium surface and colorimeter position independently.
Solution Approach 2:
The pressing member acts as an intermediary between the colorimeter and the medium. It transmits the pressing force while maintaining the colorimeter's parallelism to the medium surface, preventing direct transmission of tilting forces that would cause inclination.
2Reliability
If the colorimeter is pressed against the medium, then measurement contact is ensured, but the colorimeter may incline due to medium surface variations
Solution Approach 1:
The pressing member is designed to be movable relative to the accommodation member, allowing it to dynamically adjust its position to compensate for medium surface variations. This dynamic adjustment ensures the colorimeter maintains parallelism while still contacting the medium for reliable measurement.
Solution Approach 2:
The pressing member can change its position and the force distribution parameters to adapt to different medium surfaces. By adjusting these parameters, the system maintains both reliable contact and parallelism, preventing inclination even when medium surface varies.
3Strength
If a rigid mounting structure is used, then the colorimeter is securely held, but it cannot compensate for medium surface variations maintaining parallelism
Solution Approach 1:
The mounting section transitions from a rigid structure to a dynamic one where the pressing member can move relative to the accommodation member. This allows the system to maintain both secure holding (through the mounting section) and parallelism (through dynamic adjustment of the pressing member position).
Solution Approach 2:
The mounting section allows changes in positional parameters through the movable pressing member. This flexibility enables compensation for medium surface variations while maintaining secure mounting, as the pressing member can adjust its position to keep the colorimeter parallel to the medium.
Data Source
AI summary
A printing device 11 on which a colorimeter 50 that measures color of an image is mounted, the printing device 11 includes a printing section 13 that prints the image on a medium 99; a mounting section 17 that mounts the colorimeter; and a movement mechanism 18 that moves the mounting section toward and away from the medium, wherein the mounting section includes an accommodation member 21 that accommodates the colorimeter, and a pressing member 25 that is attached to the accommodation member and that presses the colorimeter so as to approach the medium.