Shared Binding Guide Layout for Compact Media Finishing

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Solution Overview

Problem

Existing binding devices for media, such as stapler devices, often require a larger form factor due to the need for separate movement paths for stapling and stapleless binding mechanisms, which complicates design and increases size.

Innovation Solution

A medium processing apparatus with a stapling device and a stapleless binding device that share a common guide member, where the stapleless binding device is positioned inward from the frame at the first end portion, allowing for a more compact design by minimizing interference and overlap in movement paths.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If separate movement paths are provided for stapling and stapleless binding mechanisms, then each mechanism can operate independently, but the device size increases and design becomes more complex

Engineering Contradiction:
Improveindependent operation capabilityVSAvoiddevice size
Core Design Contradiction:
Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The patent merges the movement paths of the stapling device and stapleless binding device by providing a common guide member that both devices move along. The stapling device moves in a first direction and the stapleless binding device moves in a second direction, with both directions enabled along the same guide member structure, thereby reducing overall device size while maintaining independent operation capabilities.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The guide member serves multiple functions by guiding both the stapling device and the stapleless binding device. This universal component eliminates the need for separate guide structures for each mechanism, reducing structural complexity and device volume while supporting diverse binding operations.

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

2Ease of operation

If the stapleless binding device is positioned at the first end portion of the guide member, then it can access the media effectively, but the frame must be positioned outward which increases device size

Engineering Contradiction:
Improvemedia access capabilityVSAvoiddevice size
Core Design Contradiction:
Ease of operationVSVolume of moving object

Solution Approach 1:

The patent applies local quality by positioning the frame inward from the outer edge of the stapleless binding device at the first end portion, creating a localized space optimization. This inward positioning allows the stapleless binding device to maintain its media access capability while the frame structure is compacted, reducing the overall device footprint without compromising operational effectiveness.

Inventive Principle:
Principle #3Local quality

3Stability of the object's composition

If the frame is positioned outward from the stapleless binding device, then structural stability is improved, but the device size increases

Engineering Contradiction:
Improvestructural stabilityVSAvoiddevice size
Core Design Contradiction:
Stability of the object's compositionVSVolume of moving object

Solution Approach 1:

The patent implements local quality by differentiating the frame positioning at different locations. At the first end portion where the stapleless binding device operates, the frame is positioned inward to minimize size. At other portions of the guide member, the frame maintains appropriate positioning to ensure structural stability. This localized differentiation allows the device to achieve both compact size and structural integrity.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS20260079435A1Medium processing apparatus and image forming apparatus
Publication Date: 2026.03.19 FUJIFILM BUSINESS INNOVATION CORP
  • US20260079435A1 patent drawing
  • US20260079435A1 patent drawing
  • US20260079435A1 patent drawing

AI summary

A medium processing apparatus includes a stapling device that binds media with staples; a stapleless binding device that binds media without the staples; a guide member that guides the stapling device and the stapleless binding device in a width direction of the media; and a frame disposed at a first end portion of the guide member in the width direction, the frame being positioned inward from an outer edge of the stapleless binding device in a width direction of the stapleless binding device when the stapleless binding device is moved to the first end portion of the guide member.