Retainer Mechanism for Garbage Bins

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Solution Overview

Problem

Conventional retainer mechanisms for containers are complex, costly, and require frequent cleaning due to unsuitable webbing materials, often securing lids even when bins are overfilled, and can interfere with semi-automatic lift mechanisms, lacking adaptability for different orientations and cleaning needs.

Innovation Solution

A retainer mechanism with a retainer member and adjusting member, comprising a mounting support, lever assembly, and weight-mass assembly, that actively secures lids even when bins are overfilled and automatically releases when tilted for unobstructed emptying, using materials that do not require constant cleaning and can be universally mounted for both full and semi-automatic lift mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional retainer mechanisms use webbing material, then the lid can be secured, but the material creates unsanitary conditions requiring constant cleaning

Engineering Contradiction:

Improvelid securing capabilityVSAvoidunsanitary conditions

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the material parameter from conventional webbing to stainless steel chain, transforming the retainer mechanism from organic/fabric-based to metallic, which eliminates the unsanitary conditions while maintaining the lid securing capability

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The retainer mechanism uses a composite structure combining stainless steel chain with appropriate mounting hardware, creating a material composition that is both secure and sanitary for garbage bin environments

Inventive Principle:

Principle #40Composite materials

2Reliability

If conventional retainer mechanisms secure the lid even when overfilled, then content is held, but the lid cannot be fully closed without proper contact with the bin rim

Engineering Contradiction:

Improvecontent holding capabilityVSAvoidlid closure requirement

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The retainer mechanism is designed to be dynamic rather than static - it automatically adjusts its engagement based on lid position and bin fill level, allowing it to hold content when overfilled while still permitting proper lid closure when appropriate

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The mechanism serves itself by automatically detecting whether the lid is properly positioned and whether the bin is overfilled, then self-adjusts its securing action without requiring user intervention or complex control systems

Inventive Principle:

Principle #25Self-service

3Reliability

If conventional retainer mechanisms are mounted on the bin, then they can secure the lid, but they interfere with semi-automatic lift mechanisms

Engineering Contradiction:

Improvelid securing functionVSAvoidcompatibility with lift mechanisms

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The retainer mechanism is designed with universal mounting options that allow it to function with both manual and semi-automatic lift mechanisms, avoiding interference while maintaining lid securing capability across different bin types

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The mounting system acts as an intermediary between the retainer mechanism and the bin structure, providing attachment points that do not conflict with the operation of semi-automatic lift mechanisms while still enabling effective lid securing

Inventive Principle:

Principle #24Intermediary (Mediator)

4Reliability

If conventional retainer mechanisms use many parts, then they can achieve secure lid retention, but the complexity and manufacturing cost increase

Engineering Contradiction:

Improvelid retention securityVSAvoidnumber of parts

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges multiple functions into fewer components - the chain serves as both the securing element and the adjustable retainer, eliminating the need for separate webbing, buckles, and complex latching mechanisms while maintaining secure lid retention

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The invention extracts and removes unnecessary components from conventional retainer mechanisms, keeping only the essential chain element and simple mounting hardware, thereby reducing part count and manufacturing complexity while preserving the core securing function

Inventive Principle:

Principle #2Taking out (Extraction)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The mechanism effectively secures lids in overfilled bins, automatically releases for easy emptying, and is easy to install and maintain, reducing complexity and cleaning needs while being adaptable to various orientations and lift mechanisms.

Implementation Method 1

for passively (and automatically) self-releasing the lid to fully open when and as a result of the container appropriately tilted to a particular orientation for unhindered, unobstructed emptying of the container

Methodology Applied

Scientific EffectGravitation: Gravitation

Data Source

PatentUS10618730B2Retainer mechanism

Publication Date: 2020.04.14 MANSSOURIAN GRIGOORIS

AI summary

The present invention discloses a retainer mechanism that may be associated with a bin or a lid of the bin to maintain lid in a closed (latched) position in relation to the bin.