Elevating Liner Support Structure for Waste Container Bag Retention

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Solution Overview

Problem

Existing waste and recycling container systems lack an efficient mechanism for elevating the liner to facilitate easy bag replacement and retention of bags above the opening, which complicates the handling and maintenance of waste and recyclables.

Innovation Solution

A waste or recycling container system with a rigid liner that includes a supporting structure with a cantilever and anchor portions forming a channel, allowing the liner to be elevated and securely rest on the container rim, with bag retention structures positioned above the opening for improved ergonomic handling and moisture retention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the liner is placed in the first position with bag retention structures below the opening, then the liner is easy to install, but bag retention is poor and moisture can damage the container

Engineering Contradiction:
Improveliner installationVSAvoidbag retention
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The liner is designed to be dynamically repositionable between a first position (during installation) and a second position (during operation). The supporting structure with cantilever and anchor portions enables the liner to be elevated from the first position to the second position, where bag retention structures are above the opening for improved retention. This dynamic repositioning resolves the contradiction by allowing easy installation in the first position while achieving reliable bag retention in the second position.

Inventive Principle:
Principle #15Dynamics

2Reliability

If the liner is elevated to the second position with bag retention structures above the opening, then bag retention is improved, but the liner is harder to install

Engineering Contradiction:
Improvebag retentionVSAvoidliner installation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The supporting structure with pre-formed cantilever and anchor portions is designed to facilitate preliminary positioning of the liner during installation. The anchor portions can engage with the container rim to guide the liner into place, making the elevation action simpler and more controlled. This preliminary structural preparation reduces the difficulty of installation while maintaining the elevated position for improved bag retention.

Inventive Principle:
Principle #10Preliminary action

3Ease of manufacture

If the liner remains in the first position, then installation is simple, but moisture can damage the container and ergonomic handling is reduced

Engineering Contradiction:
Improveliner installationVSAvoidmoisture damage
Core Design Contradiction:
Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The liner system is designed to transition from a static first position to an elevated second position where the supporting structure rests on the container rim. This dynamic repositioning elevates the liner and its contents above the container opening, preventing moisture from reaching and damaging the container. The supporting structure with cantilever and anchor portions enables this protective elevation while maintaining installation simplicity.

Inventive Principle:
Principle #15Dynamics

4Ease of operation

If the liner is elevated using the supporting structure, then ergonomic handling is improved, but the device complexity increases

Engineering Contradiction:
Improveergonomic handlingVSAvoidliner structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The supporting structure is merged with the liner as an integrated unit, with the cantilever and anchor portions formed as part of the liner structure. This merging eliminates the need for separate supporting components, reducing overall device complexity while still providing the elevation function for improved ergonomic handling. The integrated design allows the liner to be lifted and positioned more easily while maintaining structural simplicity.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS10829299B2Container system with supportable liner
Publication Date: 2020.11.10 BUSCH SYST INT
  • US10829299B2 patent drawing
  • US10829299B2 patent drawing
  • US10829299B2 patent drawing

AI summary

A waste or recycling container system is disclosed. The container system includes a container and a rigid liner for inserting into the container. The liner includes a supporting structure provided on a wall of the liner. The liner also includes bag retention structures. The liner is capable of being placed in the container in a first position and a second position. In the first position, the bag retention structures are below an opening of the container. In the second position, the supporting structure rests on a resting portion of the container walls and the liner is elevated with respect to the first position such that the bag retention structures are above the opening of the container.