Paper Feeding Cassette Side-Opening Storage to Prevent Protrusion
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Solution Overview
Problem
Existing paper feeding cassettes have a design where accommodated articles can protrude, hindering the insertion and drawing-out of the cassette due to an open upper side in the accommodation unit.
Innovation Solution
A paper feeding cassette design with a placement unit and accommodation unit positioned differently, featuring a side wall with an inner opening and a top plate, integrated bottom plates, and an outer wall forming part of the accommodation unit, along with a recessed part and guidance parts to facilitate smooth insertion and drawing-out.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the accommodation unit has an open upper side to allow easy access to small articles, then ease of operation is improved, but articles may protrude and hinder insertion and drawing-out of the paper feeding cassette
Solution Approach 1:
The opening part of the accommodation unit is changed from an upper opening to a side opening (opened toward the inner side of the paper feeding cassette). This dimensional change allows users to access small articles through the side wall while preventing upward protrusion that would interfere with cassette insertion and drawing-out operations.
2Device complexity
If the accommodation unit is designed with a simple open structure, then device complexity is reduced, but articles may protrude and cause operational interference
Solution Approach 1:
The accommodation unit is segmented into a top plate and a side wall that are positioned at different locations. The side wall includes an opening part faced toward the inner side of the paper feeding cassette, creating a structured compartment that prevents article protrusion while maintaining relatively simple construction.
3Volume of moving object
If the placement unit and accommodation unit are positioned at the same location, then device size is minimized, but articles may protrude and hinder cassette operations
Solution Approach 1:
The placement unit and accommodation unit are arranged at different positions within the paper feeding cassette. The accommodation unit's opening is directed toward the inner side rather than upward, allowing compact arrangement while preventing operational interference from protruding articles.
Data Source
AI summary
A paper feeding cassette is configured to be inserted into an apparatus and drawn out from the apparatus. The paper feeding cassette includes a placement unit at which a sheet is to be placed, and at least one accommodation unit configured to accommodate an accommodated article. The accommodation unit includes a top plate and a side wall intersecting the top plate. The side wall includes an opening part opened toward an inner side of the paper feeding cassette. The placement unit and the accommodation unit are provided at positions different from each other.