Medium Feeding Device with Linked Cover Regulators for Jam Reduction
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Solution Overview
Problem
Existing medium feeding devices require users to open a cover to operate the regulating unit, making it cumbersome and inconvenient.
Innovation Solution
A medium feeding device with a regulating unit that includes a main and subordinate regulating member, where the subordinate members are attached to the cover, allowing operation without opening the cover, and are linked to the main members located downstream of the feed opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the regulating unit is located downstream of the feed opening and exposed when the cover is open, then the regulating unit can be operated, but the user must open the cover which makes operation troublesome
Solution Approach 1:
The regulating unit is divided into two parts: a main regulating member located downstream of the feed opening and a subordinate regulating member located upstream. This segmentation allows the subordinate member to be accessible from the upstream side without requiring cover opening, while the main member performs the actual regulation function downstream.
Solution Approach 2:
The subordinate regulating member acts as an intermediary that transmits the user's operation force through the cover to the main regulating member. This intermediary mechanism allows operation of the regulating unit without directly accessing the downstream main regulating member, eliminating the need to open the cover.
2Ease of operation
If the regulating unit is exposed when the cover is open, then the regulating unit can be accessed, but media inclination cannot be reduced effectively
Solution Approach 1:
By dividing the regulating unit into upstream and downstream components, the system maintains effective media position regulation capability while improving accessibility. The downstream main regulating member continues to provide precise media inclination control, while the upstream subordinate member provides accessible operation interface.
3Manufacturing precision
If the downstream end of the main regulating member is located downstream of the feed opening, then media inclination can be reduced, but the regulating member becomes harder to access
Solution Approach 1:
The subordinate regulating member serves as an intermediary that allows users to operate the main regulating member from the upstream side. This intermediary mechanism transmits operational force through the cover to the downstream main regulating member, maintaining both accessibility and regulation effectiveness.
Solution Approach 2:
The regulating mechanism operates in multiple spatial dimensions by having the subordinate member accessible from the upstream side and the main member positioned downstream. This dimensional arrangement allows operation without direct access to the downstream component, solving the accessibility problem while maintaining regulation precision.
Data Source
AI summary
A medium feeding device for feeding a medium through a feed opening, the medium feeding device including: a stacked unit that extends to pass through the feed opening and on which a medium is stacked; a feeding unit that feeds a medium stacked on the stacked unit; a regulating unit that regulates a position of a medium stacked on the stacked unit, in width directions; and a cover that opens and closes relative to the feed opening, wherein the regulating unit includes a main regulating member movable in the width directions and attached to the stacked unit and a subordinate regulating member movable in the width directions and attached to the cover, a downstream end, in a feed direction, of the main regulating member is located downstream of the feed opening, and the main regulating member is linked to and cooperates with the subordinate regulating member.