Buffering Member Guide for Roll Paper Core Removal
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Solution Overview
Problem
In compact printing apparatuses, users often face difficulties when removing the core of the roll paper due to it getting caught in the buffering member or its vicinity, leading to troublesome and unstable paper feeding, especially in small-sized devices.
Innovation Solution
A printing apparatus with a buffering member that includes a guide member to facilitate the removal of the roll paper core by guiding it along the wall surface of the roll paper container, enhancing user operation and paper feed stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the printing apparatus is made compact to reduce size, then the device size is reduced, but the core removal becomes difficult due to the core getting caught in the buffering member
Solution Approach 1:
A guide member is introduced as an intermediary component between the buffering member and the core. The guide member has a guide surface that directs the core along a predetermined path during removal, preventing the core from getting caught in the buffering member while maintaining the compact device structure.
2Volume of moving object
If the buffering member is positioned close to the roll paper container to save space, then the device size is reduced, but the core gets caught making removal troublesome
Solution Approach 1:
The guide member serves as a mediator that facilitates smooth core removal despite the close positioning of the buffering member. The guide surface on the guide member creates a controlled path that prevents the core from snagging, enabling quick and easy removal without requiring additional space.
3Ease of operation
If the buffering member is designed with complex structure to guide the core, then core removal is facilitated, but the device complexity increases
Solution Approach 1:
Instead of making the entire buffering member complex, only a specific local region is modified by adding the guide member with a guide surface. This localized modification provides the necessary guidance function while keeping the rest of the buffering member structure simple and maintaining overall device simplicity.
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 guide member in the buffering member improves the ease of removing the roll paper core and maintains paper feed stability, even in compact devices, accommodating various roll paper widths and orientations.
Implementation Method 1
a buffering member configured to buffer an inertial load received from the recording paper by moving in contact with the recording paper transported by the transportation roller
Data Source
AI summary
A printing apparatus includes: a roll paper container portion that accommodates roll paper formed into a roll by wrapping recording paper around a core; a transportation roller that transports the recording paper in a transportation direction; a buffering member that moves in contact with the recording paper; and a guide member that is provided upstream of the buffering member in the transportation direction and guides the core of the roll paper that is moved from an inside of the roll paper container portion to an outside.