Folded Cardboard Buffer Member for Shock Absorption

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Solution Overview

Problem

Existing buffer members for precision equipment in package boxes lack effective shock absorption and movement restraint, particularly when the package falls, and are not easily disassembled or made from minimal materials.

Innovation Solution

A buffer member made from a cardboard sheet folded into a three-dimensional shape, comprising a base portion, first and second buffer portions, and inclined plate portions, which are designed to fit within a package box to restrain movement and absorb shocks by engaging with the package box and article edges, allowing easy assembly and disassembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a simple cardboard sheet is used as buffer member, then material usage is minimal and assembly is easy, but shock absorption capability is insufficient

Engineering Contradiction:
Improveassembly easeVSAvoidshock absorption capability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The buffer member is divided into multiple functional portions: base portion for structural support, first buffer portions for lateral shock absorption, second buffer portions for vertical cushioning, and inclined plate portions for distributing impact forces. This segmentation allows each portion to perform its specific buffering function effectively while maintaining overall structural integrity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The buffer member transitions from a two-dimensional cardboard sheet to a three-dimensional structure through folding along predetermined creases. This dimensional transformation creates volumetric buffer portions that can absorb shocks from multiple directions (lateral, vertical, and oblique impacts), significantly enhancing shock absorption capability while retaining material efficiency.

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

2Ease of operation

If buffer member structure is simplified for easy disassembly, then ease of operation improves, but movement restraint capability deteriorates

Engineering Contradiction:
Improvedisassembly easeVSAvoidmovement restraint capability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The buffer member is designed as a segmented structure with distinct portions connected through creases, allowing it to be easily disassembled into separate components. Each segment (base portion, buffer portions, inclined plate portions) can be independently removed or adjusted, facilitating easy disassembly while maintaining stable movement restraint when assembled.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The buffer member utilizes the flexibility of folded cardboard sheets to create a structure that can adapt to the package box interior. The folded creases provide flexibility for easy assembly and disassembly, while the resulting three-dimensional form maintains rigidity for effective movement restraint during transit.

Inventive Principle:
Principle #30Flexible shells and thin films

3Stability of the object's composition

If buffer member engages with package box edges for stability, then movement restraint improves, but device complexity increases

Engineering Contradiction:
Improvemovement restraint capabilityVSAvoidstructural complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The buffer member features localized engaging portions at specific locations (lateral edges of base portion and inclined plate portions) that interact with the package box. These localized engagement features provide effective movement restraint without requiring complex structures throughout the entire buffer member, maintaining simplicity while achieving stability.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The buffer member is designed with dynamic characteristics through its folded structure, allowing it to adjust and adapt to different package configurations. The creases enable the structure to flex and conform to the package box interior, providing effective movement restraint without requiring precise pre-engineering for every possible configuration.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11623812B2Buffer member and package body
Publication Date: 2023.04.11 KYOCERA DOCUMENT SOLUTIONS INC
  • US11623812B2 patent drawing
  • US11623812B2 patent drawing
  • US11623812B2 patent drawing

AI summary

A buffer member provided includes a base portion, and pairs of first buffer portions, second buffer portions, and inclined plate portions. The base portion includes a hollow portion, a lateral base portion defining an upper part of the hollow portion, and a pair of vertical base portions defining both sides of the hollow portion. The first buffer portions are continuous to lower edges of the vertical base portions and protrude outwardly in a first direction. The vertical buffer portions are continuous to the first buffer portions. The second buffer portions include the vertical buffer portions and a pair of upper-extending portions. The upper-extending portions each extend upward from a corresponding one of the vertical buffer portions. The inclined plate portions include engaging portions that are continuous to the pair of upper extending portions, extend obliquely in a second direction, and engage with an edge portion of the lateral base portion.