Rotatable Opening Unit for Jam Access in Transport Path
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Solution Overview
Problem
Existing recording medium processing apparatuses face difficulties in accessing and maintaining the deep portions of the transport path, particularly where paper jams occur, due to shielding by transport rollers, requiring disassembly which is time-consuming and risky.
Innovation Solution
A cantilevered frame with a rotatable opening and closing unit that exposes the deep transport position, allowing easy access and maintenance by opening the transport path, even when the apparatus is assembled.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the apparatus is assembled with a closed transport path, then the apparatus structure is compact and complete, but the deep transport position becomes inaccessible for maintenance and paper jam recovery
Solution Approach 1:
The transport path structure is segmented into a fixed portion and a movable opening/closing unit. The opening/closing unit can be rotated between a closed position (forming a complete transport path) and an open position (exposing the deep transport position). This segmentation allows the transport path to be both compact when closed and accessible when open, resolving the contradiction between structural completeness and maintenance accessibility.
Solution Approach 2:
The opening/closing unit is designed to be rotatable, transforming the static transport path into a dynamic structure. The unit can rotate between a closed position for normal operation and an open position for maintenance access. This dynamic capability allows the same structure to serve dual purposes: maintaining a compact closed form while providing easy access to deep transport positions when needed.
2Ease of repair
If the apparatus is disassembled to access the deep transport position, then paper jams can be removed, but it takes time and effort to recover the original state
Solution Approach 1:
The transport path is divided into a fixed portion and a movable opening/closing unit. When a paper jam occurs in the deep transport position, only the opening/closing unit needs to be rotated to the open position for access, rather than disassembling the entire apparatus. After removing the jam, the unit is simply rotated back to the closed position, significantly reducing the time and effort required compared to full disassembly and reassembly.
Solution Approach 2:
The rotatable opening/closing unit provides a dynamic access mechanism that eliminates the need for time-consuming disassembly. The unit can be quickly rotated to an open position for paper jam removal and then returned to its closed position, minimizing downtime and avoiding the lengthy process of complete apparatus disassembly and reassembly.
3Ease of repair
If the apparatus is disassembled to access the deep transport position, then maintenance can be performed, but components may be broken or lost
Solution Approach 1:
The transport path structure is divided into a fixed portion and a movable opening/closing unit. This segmentation allows maintenance personnel to access the deep transport position by simply rotating the opening/closing unit, without disassembling other components of the apparatus. This eliminates the risk of breaking or losing components that would be exposed during complete disassembly, while still providing adequate maintenance access.
Solution Approach 2:
The rotatable opening/closing unit provides a non-invasive access method that maintains the integrity of the overall apparatus structure. By rotating this specific unit rather than disassembling the entire apparatus, components remain in their original positions and are not subjected to the risks of damage or loss associated with complete disassembly, while maintenance access is still achieved.
Data Source
AI summary
A head performs recording or reading information with respect to a sheet-shaped recording medium. A pair of rollers sandwich therebetween and transport the recording medium in a transport path of the recording medium passing through the head. A cantilevered frame extends while being cantilevered in a direction traversing the transport path. One end of an opening and closing unit is rotatably supported by the cantilevered frame. The opening and closing unit is revolvable around the one end to move between a closed position where the opening and closing unit covers at least a transport portion by the pair of rollers in the transport path and an open position where the transport position is exposed to the outside.