Dumpster Moveable False Floor Dislodges Trash

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Solution Overview

Problem

Current trash collection systems require violent shaking and banging of dumpsters to dislodge residual trash, leading to noise pollution, maintenance costs, and strain on hydraulic lifting-tilting systems, which is inefficient and costly.

Innovation Solution

A dumpster with a moveable false floor that drops a predetermined length when tilted, causing the dumpster to shake and dislodge adhered trash, eliminating the need for hydraulic system-induced shaking and banging, and featuring a collapsible restraining member like a chain to amplify the shaking effect.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the hydraulic lifting-tilting system is used to violently shake and bang the dumpster to dislodge residual trash, then the trash is effectively dislodged, but the hydraulic system experiences tremendous strain resulting in high maintenance costs

Engineering Contradiction:

Improvetrash emptying effectivenessVSAvoidhydraulic system reliability

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The dumpster floor is segmented into a movable false floor portion and a fixed support portion. The false floor is divided from the dumpster body and can move independently, allowing it to be used as a shaking mechanism without involving the entire dumpster structure and hydraulic system.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The shaking function is extracted from the hydraulic lifting-tilting system and transferred to the movable false floor. The false floor acts as a separate shaking mechanism that can be activated independently by the operator through manual or mechanical means.

Inventive Principle:

Principle #2Taking out (Extraction)

2Productivity

If the hydraulic lifting-tilting system is used to violently shake and bang the dumpster, then residual trash is dislodged, but tremendous noise is generated causing disruption

Engineering Contradiction:

Improvetrash emptying effectivenessVSAvoidnoise pollution

Core Design Contradiction:

ProductivityVSObject-generated harmful factors

Solution Approach 1:

The shaking action is localized to the false floor segment rather than the entire dumpster. This segmentation allows for controlled, localized shaking that is less noisy than violently moving the entire dumpster structure.

Inventive Principle:

Principle #1Segmentation

3Productivity

If the hydraulic lifting-tilting system is used to shake and bang the dumpster, then residual trash is dislodged, but the hydraulic system experiences tremendous strain increasing maintenance costs

Engineering Contradiction:

Improvetrash emptying effectivenessVSAvoidmaintenance cost

Core Design Contradiction:

ProductivityVSEase of manufacture

Solution Approach 1:

The shaking function is isolated to a simple movable false floor mechanism rather than requiring the complex hydraulic lifting-tilting system. This segmentation creates a low-cost, simple mechanism that eliminates the need for expensive hydraulic operations.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The shaking function is extracted from the expensive hydraulic system and transferred to a simple movable false floor that can be operated manually or with minimal mechanical assistance.

Inventive Principle:

Principle #2Taking out (Extraction)

4Reliability

If a movable false floor is introduced to enable shaking without hydraulic system, then maintenance costs and noise are reduced, but the device complexity increases

Engineering Contradiction:

Improvehydraulic system reliabilityVSAvoiddumpster structure complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The dumpster is segmented into a fixed support floor and a movable false floor. This segmentation adds a simple movable component that can be guided by rails or tracks, creating a low-complexity mechanism that improves reliability.

Inventive Principle:

Principle #1Segmentation

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

Reduces maintenance costs, noise pollution, and enhances the efficiency of trash collection by allowing dumpsters to be emptied without hydraulic system-induced shaking, thereby reducing the strain on trucks and increasing collection hours.

Implementation Method 1

When the dumpster is tilted toward an inverted orientation, the moveable false floor drops a predetermined length from the bottom of the dumpster, causing the dumpster to shake, which dislodges adhered trash

Methodology Applied

Scientific EffectGravity: Gravitation

Implementation Method 2

Upon reaching the predetermined length, the restraining means abruptly stops the falling floor, causing the dumpster to shake, which dislodges adhered trash

Methodology Applied

Scientific EffectInertia: Inertia

Data Source

PatentUS8944276B2Dumpster with a moveable false floor and method of collecting trash using the same

Publication Date: 2015.02.03 NEXT MILLENNIUM DUMPSTERS

AI summary

A dumpster having a moveable false floor which moves from a bottom of the dumpster toward a top opening when the dumpster is tilted to a substantially inverted orientation during collection of trash. The moveable false floor has freedom to move a predetermined length toward the top opening, where upon reaching the predetermined length a restraining device abruptly stops the floor causing the dumpster to shake dislodging adhered trash. Upon being returned to an upright orientation the moveable false floor moves back to the bottom.