Manuscript Conveyor Guide Inclined Partial Surface
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Solution Overview
Problem
In image-forming machines, the steep inclination of the downstream manuscript conveyer guide relative to the contact glass plate and high-speed manuscript conveyance lead to uneven reading due to significant shocks when the manuscript is discharged, causing inconsistencies in the reading process.
Innovation Solution
A manuscript conveyer guide with a narrow partial guide surface that is inclined from the contact glass plate, allowing the manuscript to contact and be guided upward along this surface rather than the entire guide surface, reducing shock and unevenness in reading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the guide surface of the downstream conveyer guide is steeply inclined relative to the contact glass surface, then the apparatus size is reduced, but the manuscript is not evenly read out due to increased shock at contact
Solution Approach 1:
The guide surface is segmented into two distinct zones: a first guide surface with a first inclination angle and a second guide surface with a second inclination angle. This segmentation allows the system to reduce apparatus size through the first inclined surface while the second surface with a different angle compensates for shock effects, maintaining reading uniformity.
Solution Approach 2:
Different regions of the guide surface are given different inclination angles tailored to specific functional requirements. The first guide surface uses a steeper angle for compactness, while the second guide surface uses a gentler angle to reduce shock at the manuscript contact point, ensuring even reading.
2Productivity
If the manuscript is conveyed at an increased speed on the contact glass, then the reading speed is improved, but the manuscript is not evenly read out due to shock when discharged
Solution Approach 1:
The guide surface is divided into two zones with different inclination angles. The first guide surface handles high-speed conveyance for improved productivity, while the second guide surface with a reduced inclination angle mitigates shock effects at discharge, maintaining reading uniformity even at increased speeds.
Solution Approach 2:
The guide surface applies different inclination characteristics to different regions: the first guide surface has a steeper angle optimized for speed, while the second guide surface has a gentler angle specifically designed to reduce shock at the discharge point, ensuring uniform reading at high speeds.
3Length of stationary object
If the guide surface is steeply inclined to reduce apparatus size, then compactness is achieved, but shock increases when the manuscript contacts the guide surface
Solution Approach 1:
The guide surface is segmented into two portions with different inclination angles. The first portion provides the necessary inclination for compact apparatus size, while the second portion with a reduced angle specifically addresses shock reduction where the manuscript contacts the guide.
Solution Approach 2:
Different sections of the guide surface are assigned different inclination angles based on local functional requirements. The first guide surface section uses a steeper angle for compactness, while the second section uses a gentler angle at the critical contact zone to minimize shock force.
Data Source
AI summary
A manuscript conveyer guide wherein its upper surface includes a narrow partial guide surface extending from an end of the guide surface on the side of the contact glass in a direction to separate away from the contact glass, which is in a direction in which the manuscript is discharged, and non-guide surfaces continuous to the partial guide surface, and the partial guide surface forms an inclined surface which is low at an end of the inclined surface on the side of the contact glass and becomes high as it goes away from the contact glass, and the inclined surface is relatively higher than the non-guide surfaces, permitting the manuscript discharged from the contact glass plate to come into contact with the partial guide surface and, further, permitting the manuscript to be guided upward along the partial guide surface. The manuscript conveyer guide is arranged neighboring the contact glass plate on the manuscript discharge side and effectively suppresses the occurrence of unevenness in reading of the manuscript.