Sheet Delivery Device Height Adjustment Mechanism
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Solution Overview
Problem
Existing sheet delivering devices for image forming apparatuses face challenges in adjusting the height of the sheet reception port to align with varying sheet ejection ports of different image forming machines, leading to potential sheet jams and misfeeds due to misoperation or inadequate height adjustment mechanisms.
Innovation Solution
A post-processing apparatus with a height adjustment mechanism using a combination of a height adjustment member with multiple engaged stop parts and a lever member, allowing the sheet reception port to be adjusted to align with different height positions of sheet ejection ports by slidingly moving the housing leg parts, ensuring precise alignment and preventing misfeeds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an elevating mechanism is used to freely adjust the height position of the sheet reception port, then the adaptability to different image forming apparatuses is improved, but the reliability deteriorates due to misoperation or unintended movement causing sheet jams or misfeeds
Solution Approach 1:
The sheet reception port height is made dynamically adjustable through a lever mechanism that enables easy repositioning between multiple fixed height levels, allowing adaptation to different image forming apparatuses while maintaining operational reliability through controlled adjustment
Solution Approach 2:
A lever mechanism acts as an intermediary device between the operator and the sheet reception port, providing controlled and intentional height adjustment while preventing unintended movement, thus resolving the contradiction between ease of adjustment and operational reliability
2Adaptability or versatility
If height adjustment bases are prepared for every image forming apparatus, then the adaptability is improved, but the device complexity and installation work increase
Solution Approach 1:
The post-processing apparatus is designed with a universal height adjustment mechanism that can accommodate multiple image forming apparatus types through a single device configuration, eliminating the need for separate adjustment bases for each apparatus type and simplifying installation
Solution Approach 2:
The lever mechanism provides dynamic height adjustment capability, allowing the sheet reception port to be repositioned between multiple fixed levels to match different sheet ejection port heights of various image forming apparatuses, replacing the need for multiple static adjustment bases
Data Source
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AI summary
A sheet delivering device (2) includes a first frame stood (3) on a base (21) and a housing (22) having a height position adjusted to the base. A second frame (4) is attached to the housing in a body and located adjacent to the first frame. The height adjustment member (5) is attached to one frame and includes engaged stop parts (51, 52, 53) with different heights. The lever member (6) is turnably attached to another frame and includes a contact stop member (64) stopped into contact with the engaged stop part. Between an interference posture forming a contact stopping state by an interference of the contact stop member and engaged stop part and a withdrawal posture withdrawing from the interference when the housing moves to the base in the upward and downward directions, the lever member usually is advanced to the interference posture by a movement force, but changed to the withdrawal posture by turning against the movement force.