Binding Apparatus Guide Mechanism for Stable Interlocking

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Solution Overview

Problem

In binding processing for recording material bundles, unstable behavior of teeth can lead to unreliable binding due to the lack of a guide portion for guiding the interlocking portion with the second teeth, resulting in inconsistent and potentially faulty binding.

Innovation Solution

A recording material processing apparatus is designed with first and second teeth that interact to bind the material bundle, along with a guide portion and a guided portion, where one includes a hole and the other a rod-shaped portion that extends in the movement direction, ensuring stable alignment and contact for effective binding.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a guide portion for guiding the interlocking portion is not provided, then the device complexity is reduced, but the reliability of binding deteriorates due to unstable teeth behavior

Engineering Contradiction:
Improvereliability of bindingVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The guide portion acts as an intermediary element that guides the interlocking portion (rod-shaped portion) during the binding process. This mediator ensures stable and reliable binding by controlling the movement and alignment of the interlocking portion between the first and second teeth, preventing unstable teeth behavior while adding minimal structural complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If the interlocking portion is not guided, then the ease of manufacture is improved, but the manufacturing precision deteriorates due to inconsistent binding

Engineering Contradiction:
Improvemanufacturing precision of bindingVSAvoidease of manufacture
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The guide portion serves as a guiding intermediary that ensures precise and consistent alignment of the interlocking portion during binding. This mediator structure provides the necessary guidance to achieve high manufacturing precision in binding operations while maintaining ease of manufacture through a simple hole-and-rod configuration that is straightforward to fabricate and assemble.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Stability of the object's composition

If a guide portion is added to guide the interlocking portion, then the stability of binding is improved, but the device complexity increases

Engineering Contradiction:
Improvestability of binding processVSAvoiddevice complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The guide portion functions as a stable guiding intermediary that ensures consistent alignment and movement of the interlocking portion throughout the binding process. This mediator provides the necessary stability to prevent teeth behavior instability while adding minimal complexity through a simple structural design consisting of a hole in one component and a rod-shaped portion in another.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The guiding function is segmented into distinct components: the guide portion (hole) in one component and the interlocking portion (rod-shaped) in another component. This segmentation allows each part to perform its specific function independently while working together to provide stable binding, reducing overall device complexity compared to an integrated guiding mechanism.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS11738958B2Recording material processing apparatus and image forming system
Publication Date: 2023.08.29 FUJIFILM BUSINESS INNOVATION CORP
  • US11738958B2 patent drawing
  • US11738958B2 patent drawing
  • US11738958B2 patent drawing

AI summary

A recording material processing apparatus includes first teeth that are used for binding processing of a recording material bundle; second teeth that move toward the first teeth and press the recording material bundle located between the first teeth and the second teeth; a guide portion that guides an interlocking portion interlocking with the second teeth; and a guided portion that is provided in the interlocking portion and guided by the guide portion, in which one of the guide portion and the guided portion includes a hole, and the other includes a rod-shaped portion that extends in a movement direction of the interlocking portion and comes into contact with an inner surface of the hole.