Dual Paper Feeding Path Apparatus with Shared Fulcrum Lock
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Solution Overview
Problem
The miniaturization of paper automatic-feeding apparatuses for copying machines and facsimile devices poses a challenge in accommodating the necessary mechanisms for removing jammed papers, as there is insufficient space for separate fulcrums and lock mechanisms.
Innovation Solution
The apparatus incorporates a dual paper feeding path system with shared fulcrum parts that act as both bearings for rotating chassis and fixation points for the lock mechanism, allowing for efficient space utilization and easy access to jammed papers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate fulcrum and lock mechanism components are arranged for each chassis, then the reliability of jammed paper removal is improved, but the device complexity and space requirement increase
Solution Approach 1:
The patent combines the fulcrum part and lock mechanism into a single integrated component. The fulcrum part serves as both the rotation bearing and the lock mechanism mounting base, eliminating the need for separate components. This merging reduces structural complexity while maintaining the dual functionality of rotation and locking operations.
Solution Approach 2:
The fulcrum part is designed to perform multiple functions: it acts as a rotation bearing allowing the chassis to open and close, and simultaneously serves as the mounting base for the lock mechanism. This multi-functionality reduces the total number of components needed while ensuring reliable operation.
2Reliability
If separate fulcrum and lock mechanism components are arranged for each chassis, then the reliability of jammed paper removal is improved, but the volume of the apparatus increases
Solution Approach 1:
The patent combines the fulcrum part and lock mechanism into a single integrated component. The fulcrum part serves as both the rotation bearing and the lock mechanism mounting base, eliminating the need for separate components. This merging reduces structural complexity while maintaining the dual functionality of rotation and locking operations.
Solution Approach 2:
The fulcrum part is designed to perform multiple functions: it acts as a rotation bearing allowing the chassis to open and close, and simultaneously serves as the mounting base for the lock mechanism. This multi-functionality reduces the total number of components needed while ensuring reliable operation.
3Volume of moving object
If the paper feeding path is made compact, then the volume of the apparatus is reduced, but the ease of operation for removing jammed paper deteriorates
Solution Approach 1:
The paper feeding path is divided into multiple chassis that can be independently opened and closed. This segmentation allows the feeding path to be compact when closed while enabling easy access to jammed papers when opened, as each chassis can be independently manipulated.
Solution Approach 2:
The chassis are designed to be dynamically openable and closable around fulcrum parts. This dynamic structure allows the compact feeding path to transform into an accessible state when jammed papers need removal, balancing compactness with operational ease.
Data Source
AI summary
A paper automatic-feeding apparatus includes a first paper feeding path through which a paper medium passes; a second paper feeding path which is arranged separately from the first paper feeding path and through which a paper medium passes; a first fulcrum part to support a first chassis, which forms at least a part of the first paper feeding path, as a bearing so that the first chassis can be opened and closed; a second fulcrum part to support a second chassis, which forms at least a part of the second paper feeding path, as a bearing so that the second chassis can be opened and closed; and a fixation part to fix the first chassis and the second chassis so that the first chassis and the second chassis may be in a closed state through the fixation part being fixed on a predetermined fixed part; wherein the predetermined fixed part and the second fulcrum part are formed as a common part.