Deformable Handle for Developing Cartridge Installation
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Solution Overview
Problem
Existing tandem image forming apparatuses face difficulties in installing and removing developing cartridges due to limited space, making it cumbersome and inefficient.
Innovation Solution
The design incorporates an image carrier unit with a contact/separation mechanism and elastic handles on the developing cartridges, allowing for easy installation and removal by deforming to fit within the apparatus's constraints, eliminating the need for additional pressing mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If four developing cartridges are installed in a frame with little space, then the image forming apparatus can print in color at the same speed as monochrome, but it becomes difficult to install and remove the developing cartridges
Solution Approach 1:
The handle is designed to be deformable, allowing it to change shape during installation and removal operations. The handle can be compressed to a smaller size for insertion into the tightly spaced cartridge frame, then expanded to provide leverage for removal, adapting its form to the operational requirements at different stages
Solution Approach 2:
The physical parameters of the handle (specifically its dimensions and rigidity) are changed during operation. The handle transitions from a rigid state during normal use to a deformable state during installation/removal, allowing it to fit within the constrained space of the cartridge frame while still providing sufficient mechanical advantage
2Area of stationary object
If the developing cartridges are installed in a compact frame, then the apparatus structure is space-efficient, but additional pressing mechanisms are needed to ensure proper toner distribution
Solution Approach 1:
The deformable handle serves multiple functions: it is both the installation/removal tool and the pressing mechanism. When the handle is deformed during cartridge installation, it automatically applies the necessary pressing force to ensure proper toner distribution between the developing roller and photosensitive drum, eliminating the need for separate pressing devices
Solution Approach 2:
The handle is designed as a multi-functional component that combines installation/removal handling with the pressing function. A single structural element performs both the mechanical operation of cartridge manipulation and the critical function of ensuring proper toner distribution through its deformable pressing action
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
This solution enables effortless installation and removal of developing cartridges, reducing the risk of toner supply issues and ensuring consistent image quality by maintaining proper toner distribution and pressure on the photosensitive drums.
Implementation Method 1
a handle (83) made of an elastic material
Data Source
AI summary
A handle for a toner cartridge may include an opening and be constructed of elastically deformable materials. The handle may deform when inside of an image forming device to provide at least some force to press an image carrier against a developer carrier.