Printer Cover Lifting Arms Stage Mechanism
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Solution Overview
Problem
Users face difficulties in detecting and accessing depleted rolls of printable media in printers, leading to increased labor and potential damage due to obscured visibility and complex removal processes.
Innovation Solution
A printer design featuring a moveable cover with lifting arms and a slowing device, which raises the printable media stage for easier exposure and access when the cover is opened, facilitating user perception and physical access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the printer cavity is made deep to hold the roll of paper, then the printer can accommodate the media, but the user's ability to detect depletion of the roll of paper is adversely affected
Solution Approach 1:
The patent introduces a vertical dimension to the problem by implementing a movable stage that raises the printable media from the deep cavity to an elevated position near the cover. This dimensional transition allows the media to be visible and accessible when the cover is opened, resolving the contradiction between maintaining cavity depth for media storage and enabling user detection of media depletion
2Device complexity
If the printer cavity is obscured by other printer components, then the printer structure is compact, but the user's ability to detect depletion of the roll of paper is adversely affected
Solution Approach 1:
The movable stage mechanism provides a vertical escape route for the printable media, raising it above obscuring components when the cover is opened. This vertical displacement allows the media to be visible without requiring changes to the horizontal layout or adding complex transparent windows, thus maintaining structural compactness while improving visibility
3Reliability
If a spindle or bearing device is used to engage the hollow center of the cylindrical core, then the roll of paper can be securely held, but the process of removing an exhausted roll of paper is complicated
Solution Approach 1:
The patent extracts the spindle or bearing device from the direct path of media removal. By implementing a movable stage that raises the entire roll assembly, the core can be disengaged from the spindle without requiring the user to manually manipulate the spindle itself. The spindle remains in place while the stage carries the core away, simplifying the removal process while maintaining secure holding during operation
4Loss of time
If the cover is opened quickly to access depleted media, then access time is reduced, but the user may not have time to properly detect and remove the core
Solution Approach 1:
The movable stage performs preliminary action by raising the printable media and core to an elevated, visible position before the user completes the cover opening action. This preliminary positioning ensures that the core is already in a visible and accessible state when the user opens the cover, providing sufficient time to detect and properly remove the core even during quick media replacement operations
Data Source
AI summary
The illustrative embodiments described herein provide an apparatus and method for exposing printable media. The apparatus includes a printer having a cover. The apparatus also includes a set of lifting arms coupled to the cover. The apparatus includes a slowing device engaged with the set of lifting arms. The slowing device is adapted to slow movement of the set of lifting arms when the cover is moved. The apparatus also includes a stage coupled to the set of lifting arms such that movement of the cover causes movement of the stage into a position. The stage is adapted to receive the printable media. The position facilitates exposure of the printable media.