Interchangeable Manual Feeding Trays for Image Forming Apparatus

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Solution Overview

Problem

The complexity of configuring image forming apparatuses increases due to the need to provide structures for mounting multiple manual feeding trays at different positions, limiting the flexibility and simplicity of the device.

Innovation Solution

An image forming apparatus that allows for the selective mounting of a first and second manual feeding tray with different configurations at the same mounting position on the image forming apparatus body, using a common frame and housing design with interchangeable trays, simplifying the configuration and increasing flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If structures for mounting multiple manual feeding trays at different positions are provided, then the capability to mount different trays at different positions is improved, but the device complexity increases

Engineering Contradiction:
Improvecapability to mount different trays at different positionsVSAvoidconfiguration complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal mounting position that can accommodate both the first manual feeding tray and the second manual feeding tray. The mounting structure includes a standard mounting hole arrangement that both tray types can interface with, allowing the same physical location to serve multiple functions depending on which tray is installed. This eliminates the need for separate mounting structures for different tray types.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The manual feeding tray is divided into modular components including a tray body, a mounting portion with standardized mounting holes, and a feeding mechanism. This segmentation allows the mounting portion to be standardized while other components can vary between tray types, enabling interchangeability without requiring complete structural duplication.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If interchangeable trays with different configurations are allowed at the same mounting position, then user flexibility is enhanced, but the mounting structure complexity increases

Engineering Contradiction:
Improveuser flexibility in selecting traysVSAvoidmounting structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The mounting position is designed as a universal interface that accepts both the first manual feeding tray and the second manual feeding tray. The housing includes a standardized mounting hole pattern that both tray types can engage with, allowing users to interchange trays of different configurations without modifying the mounting structure or requiring different mounting locations.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The mounting portion of each tray is designed with specific local characteristics (standardized hole positions and patterns) that enable universal mounting, while other portions of the trays can have different configurations. This localized standardization allows flexibility in tray selection without complicating the overall mounting structure.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS11609523B2Image forming apparatus
Publication Date: 2023.03.21 FUJIFILM BUSINESS INNOVATION CORP
  • US11609523B2 patent drawing
  • US11609523B2 patent drawing
  • US11609523B2 patent drawing

AI summary

An image forming apparatus includes an image forming unit that forms an image on a recording medium and an image forming apparatus body in which the image forming unit is provided, and on which a first manual feeding tray and a second manual feeding tray having a configuration different from the first manual feeding tray are selectively mountable at a same mounting position.