Segmented Firewood Basket Lip Design

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Solution Overview

Problem

Existing carrying baskets for firewood are inefficient in preventing dust and small pieces from falling out during transport and storage, leading to unwanted soiling of living areas.

Innovation Solution

A carrying basket design that is open on one side, featuring a base, first and second side walls, a rear wall, and a handle element, with a lip on the base edge to prevent dirt from falling out, and modular construction allowing for customizable parts and handle designs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the carrying basket is open on all sides for easy loading and unloading, then the ease of operation is improved, but dust and small pieces of wood fall out unhindered causing soiling

Engineering Contradiction:

Improveease of loading and unloadingVSAvoiddust and small pieces falling out

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The carrying basket is divided into a base element and separate side wall elements that can be selectively attached. The front side wall is made detachable to allow easy loading and unloading, while the rear side wall remains fixed to prevent dust and small pieces from falling out during transport and storage.

Inventive Principle:

Principle #1Segmentation

2Object-affected harmful factors

If the carrying basket is closed on all sides to prevent dirt from falling out, then the cleanliness is improved, but the ease of loading and unloading deteriorates

Engineering Contradiction:

Improveprevention of dirt falling outVSAvoidease of loading and unloading

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

Inventive Principle:

Principle #1Segmentation

3Use of energy by moving object

If grid mats are attached to the folding floor to allow ventilation, then the air supply is improved, but dust and small pieces of wood fall out through the grid structure

Engineering Contradiction:

Improveair supply and ventilationVSAvoiddust and small pieces falling through grid

Core Design Contradiction:

Use of energy by moving objectVSObject-affected harmful factors

Solution Approach 1:

The problematic grid mat structure is removed entirely from the carrying basket. Instead, solid side walls are used that provide both the necessary containment to prevent dust and small pieces from falling out, and sufficient ventilation for air supply during transport and storage.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentEP3539888B1Holding basket open at one side and method for producing such holding basket

Publication Date: 2022.04.20 SCHAMBECK JOSEF MICHAEL

Figure 1~2
Figure 3~5
Figure 6~7

AI summary

A carrying basket (1) and a method for manufacturing a carrying basket (1) are disclosed. The carrying basket (1) consists of a base (3), a first side wall (5), a second side wall (7), a back wall (9), and a handle element (10). A lip (20) is formed on an edge (24) of the base (3) opposite the back wall (9), wherein a level (14) of a free end (21) of the lip (20) lies above a level (15) of the base (3). Two end elements (22) are provided, which connect the lip (20) to the first side wall (5) and the second side wall (7), respectively.