Developer Container Movable Wall Toner Supply
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Solution Overview
Problem
Conventional developer containers face challenges in efficiently supplying toner to image forming apparatuses, leading to inconsistent image quality and increased maintenance due to the lack of a reliable mechanism for toner replenishment and distribution.
Innovation Solution
A developer container with a movable wall and stirring mechanism that adjusts toner supply based on consumption, ensuring consistent toner flow and preventing clogging, utilizing a volume replenishment method that monitors toner levels and adjusts supply accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional toner container with a rotary stirring member is used, then the structure is simple, but the toner supply consistency deteriorates leading to image quality issues
Solution Approach 1:
The patent applies the dynamics principle by making the partition wall movable instead of fixed. The partition wall can change its position dynamically to adjust the toner storage chamber volume based on toner consumption levels. This dynamic adjustment ensures consistent toner supply to the developing device while maintaining a relatively simple overall structure, resolving the contradiction between reliability and device complexity.
Solution Approach 2:
The patent implements feedback through a toner level detection mechanism that monitors the amount of toner in the container. When the toner level drops, the system detects this and adjusts the partition wall position accordingly to replenish toner from the storage chamber. This feedback loop ensures consistent toner supply quality while automating the adjustment process, thereby improving reliability without requiring complex manual intervention mechanisms.
2Productivity
If toner is stored in a fixed volume chamber, then the container structure is simple, but toner accumulation and clogging occur leading to increased maintenance
Solution Approach 1:
The patent makes the partition wall movable to dynamically adjust the toner storage chamber volume. As toner is consumed, the partition wall moves to increase the storage chamber volume, preventing toner accumulation and ensuring continuous smooth flow. This dynamic adjustment improves operational efficiency by preventing clogging, while the mechanism remains relatively simple in design.
3Productivity
If manual toner replenishment is used, then the device structure is simple, but time is lost during toner replacement affecting productivity
Solution Approach 1:
The patent implements an automatic feedback-based toner replenishment system. A sensor detects when toner levels are low and automatically triggers the partition wall movement to replenish toner from the storage chamber. This eliminates manual intervention and enables continuous operation, significantly improving productivity. The automated nature of the system keeps the complexity manageable while achieving continuous operation capability.
Solution Approach 2:
The patent enables the toner container to serve itself by automatically detecting low toner levels and replenishing them without external intervention. The system monitors its own toner status and performs self-replenishment by moving the partition wall to transfer toner from the storage chamber to the active chamber, ensuring continuous operation and improving productivity while maintaining reasonable structural complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution ensures stable and efficient toner supply, reducing maintenance needs and improving image quality by maintaining optimal toner levels and preventing toner accumulation, which enhances the operational efficiency of image forming apparatuses.
Implementation Method 1
utilizing a volume replenishment method that monitors toner levels and adjusts supply accordingly
Implementation Method 2
A developer container with a movable wall and stirring mechanism that adjusts toner supply based on consumption
Data Source
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AI summary
A developer container includes a container body (37), a lid (31), a movable wall (32), and a sealing member (30K). The container body includes an inner circumferential surface (37K) defining a cylindrical internal space extending in a first direction, and a wall part (375) defining one end surface of the internal space in the first direction. The container body has a developer discharge port (377) closer to the wall part. The movable wall includes an outer circumferential surface (32K) and a conveying surface (320S) defining a storage space for the developer. The movable wall is movable in the internal space in the first direction from an initial position closer to the lid of the container body to a terminal position closer to the wall part while conveying the developer in the storage space. The wall part has a developer filling port (37G) penetrating the wall part and communicating with the storage space. The sealing member seals the developer filling port.