Pivoting Support Tray for Compact Paper Cassette Height
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Solution Overview
Problem
Existing paper sheet cassettes with integrated discharged paper receiving portions face challenges in maintaining a compact height while ensuring the discharged paper does not slip off, leading to increased apparatus height and potential operational inefficiencies.
Innovation Solution
A medium receiving cassette with a pivotally mounted support tray that can switch between a received state with the support surface directed downward and an expanded state with the surface inclined upward, along with a drawer portion that extends the receiving portion's length, allowing for adjustable posture and expanded paper sheet reception without increasing the cassette's height.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the support surface of the discharged paper receiving portion is inclined upward to prevent paper slipping, then the paper sheet can be securely supported, but the height of the paper sheet cassette increases
Solution Approach 1:
The support tray is designed to be movable between a received state (flush with receiving portion) and an expanded state (inclined upward). This dynamic configuration allows the tray to provide inclined support for paper sheets when needed, while maintaining a compact profile when not in use, thus resolving the contradiction between paper support stability and cassette height
Solution Approach 2:
The support tray utilizes the vertical dimension by pivoting upward from a horizontal position. This allows the inclined support surface to be created without permanently increasing the cassette height, as the tray only occupies elevated space when actively supporting discharged paper
2Ease of operation
If the second paper feeding cassette is positioned in an advanced state to feed paper sheets, then paper feeding function is enabled, but it obstructs the discharged paper receiving portion when in retreated position
Solution Approach 1:
The support tray provides a fixed discharged paper receiving area that remains accessible regardless of the second paper feeding cassette's position. The tray's inclined surface creates a dedicated reception zone that can accommodate discharged paper even when the feeding cassette is in the advanced position, thus resolving the spatial conflict between feeding and receiving functions
Data Source
AI summary
Provided is a medium receiving cassette that includes a medium receiving portion in which a medium is received, a medium support tray which is pivotally provided on the medium receiving portion and of which a state can be switched, in a pivoting manner, between a received state in which the medium support tray is positioned above the medium receiving portion and a medium support surface for supporting the medium is directed downward and an expanded state in which the medium support surface is directed upward and at least a part of the medium support surface is expanded outside the medium receiving portion, and a drawer portion which is drawn out from the medium receiving portion to extend a length of the medium receiving portion in a medium discharging direction.