Reinforcing Member Cable Tension Management

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Solution Overview

Problem

Existing image forming systems face challenges with cable management, particularly when the operation unit is moved away from the image forming apparatus, as excessive pulling can lead to electric wire disconnection or breakage.

Innovation Solution

The implementation of an image forming apparatus with a reinforcing member that connects the casing and the operation unit, ensuring the electric wire is protected and fixed in a manner that prevents excessive tension, thereby reducing the risk of damage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the operation unit is moved away from the image forming apparatus to improve operational flexibility, then the ease of operation is improved, but the electric wire may be disconnected or broken due to excessive pulling

Engineering Contradiction:
Improveoperational flexibilityVSAvoidelectric wire connection reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The cable assembly is segmented into distinct functional components: the electric wire for signal transmission, the reinforcing member for structural support, and the covering for protection. This segmentation allows each component to perform its specific function optimally - the wire remains flexible for connection while the reinforcing member prevents excessive pulling damage

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The reinforcing member acts as an intermediary element between the electric wire and the external environment. It absorbs and distributes mechanical stresses from cable movement and pulling, protecting the electric wire from direct exposure to harmful forces while allowing the operation unit to be moved freely

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12267471B2Image forming apparatus having a cable and a reinforcing member along the cable
Publication Date: 2025.04.01 CANON KK
  • US12267471B2 patent drawing
  • US12267471B2 patent drawing
  • US12267471B2 patent drawing

AI summary

An image forming apparatus includes an image forming unit configured to perform image formation on a sheet, a casing configured to house the image forming unit, an operation unit configured to receive an operation performed by a user, an electric wire extending from the casing to be connected to the operation unit and configured to transmit an electrical signal, a reinforcing member provided separate from and independent of the electric wire, the reinforcing member interconnecting the casing and the operation unit, and a covering configured to enclose therein the electric wire and the reinforcing member, wherein the reinforcing member is fixed to the casing and the operation unit in such a manner that a distance between a portion fixed to the casing and a portion fixed to the operation unit in the reinforcing member is shorter than a total length of the electric wire.