Indexed Binding Band for Wire Bundle Tension and Positioning

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Solution Overview

Problem

In image forming apparatuses, bundling and routing of electric wires through ring-shaped clamps can lead to excessive tension and loosening, and there is a lack of clear indication for the appropriate insertion position, making it difficult to manage wire bundles effectively.

Innovation Solution

A binding band with a band portion, through opening, locking portion, connecting portion, and index portion is used to securely fasten and indicate the insertion position of wire bundles through clamps, featuring locking teeth and a tooth pawl for secure locking and an index portion for clear positioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If wire bundles are routed through ring-shaped clamps without proper positioning indication, then wire routing is simplified, but excessive tension and loosening occur making it difficult to manage wire bundles

Engineering Contradiction:
Improvewire bundle managementVSAvoidwire bundle tension control
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The binding band is attached to the wire bundle before routing through the clamp, with the index portion indicating the optimal insertion position in advance. This preliminary positioning prevents excessive tension and loosening during the routing process, making wire bundle management easier while maintaining reliability.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The index portion on the binding band serves as an intermediary indicator between the wire bundle and the clamp, providing clear visual guidance for the optimal insertion position. This mediator eliminates the need for complex routing judgment, reducing both tension issues and management difficulty simultaneously.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Loss of information

If binding bands without clear positioning indicators are used, then the device structure is simpler, but the insertion position cannot be clearly indicated

Engineering Contradiction:
Improveinsertion position indicationVSAvoidbinding band structure
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The index portion is designed with a distinct appearance (different color or visual characteristic) that stands out from the rest of the binding band. This visual differentiation clearly indicates the optimal insertion position without requiring complex structural modifications, maintaining simplicity while providing necessary information.

Inventive Principle:
Principle #32Color changes

3Productivity

If wire bundles are routed without proper positioning guidance, then routing process is faster, but excessive tension and loosening occur

Engineering Contradiction:
Improvewire routing speedVSAvoidwire bundle tension control
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The index portion is pre-positioned on the binding band to indicate the optimal insertion position before the routing operation begins. This allows workers to quickly identify the correct position without trial and error, maintaining high routing speed while ensuring proper tension control and preventing loosening.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11383905B2Binding band
Publication Date: 2022.07.12 RICOH CO LTD
  • US11383905B2 patent drawing
  • US11383905B2 patent drawing
  • US11383905B2 patent drawing

AI summary

A binding band includes a band portion, a through opening, a locking portion, a connecting portion, and an index portion. The band portion includes a plurality of locking teeth on one surface of the band portion. The band portion is to be inserted through the through opening. The through opening is disposed on one end of the band portion in a longitudinal direction of the band portion. The locking portion includes a tooth pawl configured to lock the locking teeth when the band portion is inserted through the through opening. The connecting portion protrudes from the locking portion in a direction intersecting the longitudinal direction of the band portion. The index portion is disposed on the connecting portion.