Recording Apparatus Supporting Tray Prevents Unit Detachment
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Solution Overview
Problem
Existing recording apparatuses face challenges in preventing careless detachment of the double-side unit, which can lead to damage and increased costs, especially when non-skilled individuals handle them.
Innovation Solution
A recording apparatus design that includes a supporting tray which, when in the housed state, obstructs the detachment path of the unit, reducing the risk of careless detachment without the need for additional dedicated safety mechanisms, thereby maintaining cost-effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a dedicated safety mechanism is provided to prevent careless detachment of the unit, then the reliability is improved, but the device complexity and cost increase
Solution Approach 1:
The patent combines the supporting tray structure with the safety function by positioning it on the attachment and detachment path of the unit. The tray serves dual purposes: supporting media during operation and preventing careless detachment when housed, without requiring separate dedicated safety mechanisms.
Solution Approach 2:
The supporting tray is designed to perform multiple functions: it supports media during recording operations, and simultaneously acts as a safety barrier to prevent unintended detachment of the unit when in the housed state, eliminating the need for separate safety devices.
2Ease of repair
If the unit is made easily detachable for troubleshooting, then the ease of repair is improved, but the risk of careless detachment increases
Solution Approach 1:
The patent implements a dynamic safety mechanism where the supporting tray automatically moves between obstructing and non-obstructing positions based on the unit's attachment state. When the unit is attached, the tray is positioned to prevent detachment; when detached for troubleshooting, the tray moves away to allow access.
3Reliability
If additional safety features are added to prevent careless detachment, then the reliability is improved, but the manufacturing cost increases
Solution Approach 1:
The patent integrates the safety function into the existing supporting tray structure rather than adding separate safety components. The tray's positioning on the attachment/detachment path provides the safety function using already-manufactured parts, avoiding additional manufacturing costs.
Solution Approach 2:
The supporting tray performs dual functions: media support during operation and safety barrier against careless detachment. This multi-functionality eliminates the need for separate safety components, thereby avoiding increased manufacturing costs.
Data Source
AI summary
A recording apparatus, comprising: an apparatus body; a recording device that is provided inside the apparatus body and performs recording on a medium; a supporting tray that is switchable between a drawn-out state and a housed state and, when in the drawn-out state, supports the medium that is to be fed toward the recording device, the drawn-out state being a state of being drawn out from the apparatus body, the housed state being a state of being housed in the apparatus body; and a unit that is detachably attached to the apparatus body and includes a reverse roller for reverse the medium, wherein the supporting tray has a portion that is configured to be on a path of attachment and detachment of the unit when in the housed state.