Packaging Partition for Paper Roll and Ink Ribbon

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Solution Overview

Problem

Existing packaging solutions struggle to reliably store an ink ribbon unit with rolls of different diameters due to their irregular shape, requiring complex fixtures and additional components, which increases the number of parts and costs.

Innovation Solution

A container with a partition member consisting of plate-like holding members and a connecting member that forms first and second storage regions, allowing the ink ribbon unit to be aligned radially and fixed with a smaller number of components, using a shaft fixing member to secure the printing paper roll and obliquely extending connecting member to accommodate rolls of different diameters.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a cubic or rectangular item having parallel opposing surfaces is stored, then it can be fixed to the container with a relatively simple fixture or partition, but when the ink ribbon unit with irregular shape is stored, a fixer with complicated shape or additional component becomes necessary

Engineering Contradiction:
Improvesimplicity of fixtureVSAvoidcomplexity of fixer
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The partition member is designed with an asymmetric structure where one side has a larger width than the other side. This asymmetric design allows the partition to accommodate the irregular shape of the ink ribbon unit (with rolls of different diameters) while maintaining a relatively simple overall structure, avoiding the need for complex custom fixtures.

Inventive Principle:
Principle #4Asymmetry

Solution Approach 2:

The partition member extends not only in the radial direction of the printing paper roll but also in the axial direction with varying widths. This multi-dimensional approach creates storage spaces that conform to the irregular geometry of the ink ribbon unit without requiring additional complex components.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Reliability

If additional components are added to fill gaps for irregular shaped items, then the irregular shaped ink ribbon unit can be fixed, but the number of components necessary increases

Engineering Contradiction:
Improvereliability of fixationVSAvoidnumber of components
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The partition member serves multiple functions simultaneously: it partitions the container into storage spaces, provides fixation support for the irregularly shaped ink ribbon unit, and defines the boundaries of storage regions. This multi-functionality achieves reliable fixation without requiring additional specialized components.

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

Solution Approach 2:

The partition member is segmented into different width portions (first width and second width) that create distinct storage spaces. This segmentation allows each portion to accommodate specific components of the ink ribbon unit, achieving reliable fixation through the partition's own structure rather than additional components.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If rolls of different diameters are disposed in parallel, then the ink ribbon unit functions properly, but it becomes difficult to fix them in a container

Engineering Contradiction:
Improvefunctionality of ink ribbon unitVSAvoidease of fixation
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The partition member has different local qualities (different widths at different positions) that match the specific requirements of storing rolls with different diameters. The larger width portion accommodates the larger diameter roll while the smaller width portion accommodates the smaller diameter roll, making fixation easy without compromising the functionality of the ink ribbon unit.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS7775359B2Packaging for paper roll
Publication Date: 2010.08.17 DAI NIPPON PRINTING CO LTD
  • US7775359B2 patent drawing
  • US7775359B2 patent drawing
  • US7775359B2 patent drawing

AI summary

The packaging of the present invention is provided with a printing paper roll to which printing paper is wound; an ink ribbon unit having a sending roll, a winding roll arranged in parallel to the sending roll and an ink ribbon wound around the sending roll; a container for storing the printing paper roll and the ink ribbon unit; a partition member disposed in the container for partitioning the printing paper roll from the ink ribbon unit, wherein the partitioning member comprises a pair of plate-like holding members for holding the printing paper roll at its ends in the axial direction and a plate-like connecting member for connecting the holding members; and the connecting member obliquely extending relative to the axial direction, and partitioning the container in the radial direction of the printing paper roll into first and second storage regions in which the printing paper roll and the ink ribbon unit are accommodated respectively.