Stacking Device Regulating Member Nested Detection Plate
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Solution Overview
Problem
Conventional size detecting mechanisms in image forming apparatuses require increased device size due to the need for overlapping detected plates, leading to complications and increased space occupation, as well as level differences that necessitate additional correction mechanisms.
Innovation Solution
A stacking device with a movable regulating member and a separate moving member, where a restricting member limits the moving member's movement within a partial range, allowing the regulating member to move independently and reducing the required space for size detection without complicating the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple detected plates are configured to overlap with each other to reduce movement space, then the space required for movement is reduced, but a level difference is generated between the detected plates requiring additional correction mechanisms
Solution Approach 1:
The detected plate is nested within the moving member, which itself moves within the range regulated by the rear edge regulating plate. This nested configuration allows the detected plate to be positioned within the movement range of the rear edge regulating plate without requiring additional overlapping space, thereby reducing the overall space required while avoiding level differences that would complicate the device.
Solution Approach 2:
The size detection function is segmented from the rear edge regulation function. The detected plate is separated as a distinct component that moves independently within the range regulated by the rear edge regulating plate, allowing each component to perform its specific function without requiring overlapping configurations or correction mechanisms.
2Measurement precision
If the detected plate moves integrally with the rear edge regulating unit, then the size detection function is achieved, but the device size increases to accommodate the movement space
Solution Approach 1:
The detected plate is nested within the moving member, which operates within the range regulated by the rear edge regulating plate. This nesting allows the detected plate to utilize the movement range of the rear edge regulating plate without requiring additional space, thereby achieving size detection capability while minimizing the overall device size.
Solution Approach 2:
The system uses dynamic movement where the detected plate moves within the range regulated by the rear edge regulating plate rather than requiring integral movement over the entire regulation range. This dynamic configuration allows size detection to be achieved with reduced device dimensions by optimizing the movement range of the detected plate.
3Area of stationary object
If overlapping detected plates are used to reduce movement space, then space is reduced, but another mechanism for correcting level difference becomes necessary
Solution Approach 1:
The detected plate is nested within the moving member, eliminating the need for overlapping configurations. This nesting ensures that the detected plate moves within a controlled range without generating level differences, thereby reducing space requirements without introducing additional correction mechanisms or complicating the device.
Solution Approach 2:
The moving member acts as an intermediary between the rear edge regulating plate and the detected plate. It transmits the movement range regulation from the rear edge regulating plate to the detected plate, ensuring smooth movement without level differences while minimizing the space required for operation.
Data Source
AI summary
A stacking device which stacks a sheet includes a stacking unit on which the sheet is configured to be stacked, a regulating member, a moving member, and a restricting member. The regulating member is provided to be movable in a first direction and a second direction, which is a direction opposite to the first direction, and to regulate a position of the sheet stacked on the stacking unit. The moving member moves in a direction that is the same as a moving direction of the regulating member in accordance with the regulating member. The restricting member restricts movement of the moving member. So that the regulating member moves independently of the moving member, the restricting member restricts the movement of the moving member in a partial range of a range in which the regulating member moves.