Compact Recording Apparatus with Shared Transport Paths
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Solution Overview
Problem
Existing recording apparatuses require significant height due to the combination of reversing, switching, and face-down discharge paths, which hinders size reduction and increases complexity, leading to potential head scratches during medium reversal.
Innovation Solution
A compact recording apparatus design incorporating a first transporting path for medium reversal, a second switching-back path, a third reversing path, and a fourth face-down discharge path, where the second and fourth paths share space and are positioned on the side of the third path, allowing for reduced height and improved control, with features like inclined medium receiving trays and roller pairs for skew removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a reversing path, switching path, and face-down discharge path are provided separately, then the medium can be transported and discharged properly, but the height dimension of the apparatus increases
Solution Approach 1:
The patent combines the switching-back path and the face-down discharge path into a shared transporting path structure. The second transporting path (switching-back) and fourth transporting path (face-down discharge) are merged to share common regions, particularly in the height direction, eliminating the need for completely separate paths and thereby reducing the overall height dimension of the apparatus.
Solution Approach 2:
The patent reorganizes the transporting paths to utilize the height direction more efficiently. By having the second and fourth transporting paths share the same height-level regions and by overlapping the first, third, and medium receiving tray paths above the medium accommodation cassette, the design transforms the spatial arrangement to reduce height occupation while maintaining all necessary transport functions.
2Reliability
If separate transporting paths are provided for reversing and discharging, then the medium handling is reliable, but the device complexity increases
Solution Approach 1:
The patent reduces device complexity by merging the switching-back function and face-down discharge function into a shared transporting path system. Instead of providing completely separate paths for each function, the second and fourth transporting paths share common infrastructure, reducing the number of independent components while maintaining reliable medium handling through controlled path switching.
3Ease of operation
If the medium is reversed through bending in a face-down discharge path, then the discharge function is achieved, but a large space in the height direction is necessary
Solution Approach 1:
The patent eliminates the need for a separate, dedicated face-down discharge path with large height space by merging the discharge function into the shared second transporting path. The fourth transporting path for face-down discharge is configured to share regions with the second switching-back path, thereby achieving the discharge function without requiring additional height dimension space.
Data Source
AI summary
A recording apparatus includes: a first transporting path which passes through a recording portion that performs recording on a medium fed from a medium accommodation cassette that accommodates the medium, in a straight line shape; a second transporting path which is connected to the first transporting path, and transports and switches back the medium in a reverse direction; a third transporting path which is connected to the second transporting path and allows the medium to bypass an upper side of the recording portion, to be reversed, and to be converged in the first transporting path; a fourth transporting path which is connected to a downstream of the first transporting path, reverses and discharges the medium, along an outer side of the second transporting path; and a medium receiving tray which receives the medium discharged from the fourth transporting path.