Shuttle Bin Hinged Frame Roller Unloading Mechanism

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Solution Overview

Problem

The unloading of materials like grass clippings and other particulate matter is inefficient, requiring significant manual labor and time due to their tendency to decompose and cling together, leading to increased costs and cleaning needs.

Innovation Solution

A shuttle bin apparatus with a hinged frame, a pliable storage body, and a roller assembly that draws the storage body taut to facilitate easy unloading, combined with a loading assembly that raises and pivots to dump material into the storage body, allowing for efficient unloading and reducing the need for frequent cleaning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual unloading of grass clippings is used, then labor flexibility is maintained, but unloading time and labor cost increase significantly

Engineering Contradiction:
Improveunloading speedVSAvoidmanual labor requirement
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The bin employs a dynamic hinged lid mechanism that automatically transitions from a closed carrying position to an open unloading position, enabling rapid material discharge without manual intervention. The lid is connected via hinges allowing it to pivot and swing open, facilitating quick unloading of grass clippings while maintaining ease of operation during transport.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The bin incorporates self-unloading features where the accumulated weight of grass clippings automatically triggers the lid to swing open and discharge the material. This self-service mechanism eliminates the need for manual unloading labor while maintaining operational simplicity, directly addressing the productivity-labor contradiction.

Inventive Principle:
Principle #25Self-service

2Loss of time

If grass clippings are left in the container for extended periods, then transport efficiency is improved, but material decomposition and clumping increase

Engineering Contradiction:
Improvetransport timeVSAvoidmaterial decomposition
Core Design Contradiction:
Loss of timeVSObject-generated harmful factors

Solution Approach 1:

The bin is divided into distinct functional zones: a carrying area with a hinged lid for transport and an unloading area with a discharge mechanism. This segmentation allows the system to optimize for both extended transport (sealed carrying area) and rapid unloading (open discharge area), reducing decomposition by enabling quicker material removal when needed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The bin utilizes a dynamic lid mechanism that can rapidly transition from closed to open position, enabling quick unloading of grass clippings to prevent decomposition. This dynamic capability allows extended transport when necessary while minimizing decomposition time when unloading occurs, effectively managing the time-decomposition trade-off.

Inventive Principle:
Principle #15Dynamics

3Object-generated harmful factors

If frequent cleaning of the container is performed, then material residue is reduced, but time and cost increase

Engineering Contradiction:
Improvematerial residueVSAvoidcleaning time
Core Design Contradiction:
Object-generated harmful factorsVSLoss of time

Solution Approach 1:

The bin design extracts and removes material residue through its automatic unloading mechanism, which completely discharges grass clippings from the container. By effectively removing all material residue during unloading operations, the need for frequent manual cleaning is eliminated, reducing both cleaning time and associated costs while maintaining hygiene standards.

Inventive Principle:
Principle #2Taking out (Extraction)

4Strength

If a rigid container structure is used, then structural strength is maintained, but material flow and unloading efficiency decrease

Engineering Contradiction:
Improvecontainer structural strengthVSAvoidunloading efficiency
Core Design Contradiction:
StrengthVSProductivity

Solution Approach 1:

The bin employs a dynamic hinged lid system that pivots from a closed position during transport to an open position during unloading. This dynamic structural element maintains container strength during transport while enabling efficient material flow and rapid unloading when needed, resolving the contradiction between structural integrity and unloading efficiency.

Inventive Principle:
Principle #15Dynamics

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 apparatus significantly reduces unloading time and labor, minimizes material decomposition, and minimizes cleaning requirements, enhancing the efficiency and cost-effectiveness of material handling processes.

Implementation Method 1

a roller assembly operatively connected to the upper frame. The roller assembly is adapted to draw the storage body taut to unload the material stored in the storage body as the upper frame hinges away from the lower frame

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

an upper frame, a lower frame hingeably connected to the upper frame

Methodology Applied
Scientific EffectHinge mechanism: Hinge

Data Source

PatentUS9028194B2Shuttle bin
Publication Date: 2015.05.12 WAHLS STEPHEN L
  • US9028194B2 patent drawing
  • US9028194B2 patent drawing
  • US9028194B2 patent drawing

AI summary

An apparatus such as a shuttle bin includes an upper frame, a lower frame hingeably connected to the upper frame, a storage body operatively connected to the upper frame for storing material and a roller assembly operatively connected to the upper frame. The roller assembly is adapted to draw the storage body taut to unload the material stored in the storage body as the upper frame hinges away from the lower frame. The storage body may be formed of a pliable material such as a mesh or canvas.