Snap-On Chain Conveyor Slats for Field Replacement

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Solution Overview

Problem

Conventional conveyor belts for food preparation devices, such as toasters, are expensive to produce, cumbersome to assemble, and difficult to repair or replace, especially in the field, due to their complex design and high manufacturing costs.

Innovation Solution

A conveyor belt system with snap-on slats that are easily removable and replaceable without specialized tools, using durable materials like stainless steel, and featuring a design that allows adjacent slats to partially rotate relative to each other, facilitating easy assembly and maintenance while minimizing contact with food products.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional wire conveyor belts are used, then the conveyor belt provides a flat support surface for food items, but the conveyor belt is expensive to produce and cumbersome to assemble

Engineering Contradiction:
Improveflat support surfaceVSAvoidproduction cost and assembly complexity
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The conveyor belt is divided into modular slats that can be independently manufactured and assembled. Each slat is a separate component that attaches to adjacent slats through connection elements, allowing for simplified manufacturing and easy assembly/disassembly without requiring complex welding or fastening operations.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention changes the material parameter from traditional metal wire construction to alternative materials such as plastic or composite materials. This parameter change reduces manufacturing cost, simplifies production processes, and enables easier assembly while maintaining the flat support surface functionality.

Inventive Principle:
Principle #35Parameter changes

2Strength

If conventional wire conveyor belts are used, then the conveyor belt provides structural support, but the conveyor belt is difficult to repair or replace in the field

Engineering Contradiction:
Improvestructural supportVSAvoidfield repairability
Core Design Contradiction:
StrengthVSEase of repair

Solution Approach 1:

The modular slat design allows individual slats to be removed and replaced independently in the field without requiring disassembly of the entire conveyor belt. This segmentation enables easy field repair by simply swapping out damaged slats while maintaining structural support through the remaining slats.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The design enables individual slats to be discarded (removed) and replaced without affecting the overall structure. Damaged slats can be quickly removed and replaced with new or refurbished slats, allowing for efficient field maintenance and recovery of conveyor belt functionality.

Inventive Principle:
Principle #34Discarding and recovering

3Stability of the object's composition

If rigid conveyor belt design is used, then the conveyor belt provides stable support, but the conveyor belt may mark or pinch food products

Engineering Contradiction:
Improvesupport stabilityVSAvoidfood product marking or pinching
Core Design Contradiction:
Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The invention changes the material parameter from rigid metal wire to more compliant materials such as plastic or composite materials. This parameter change allows the slats to be sufficiently rigid to provide stable support while having softer surfaces that do not mark or pinch delicate food products during conveyance.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The slat design incorporates specific surface characteristics at the food-contact areas that differ from the structural portions. The top surfaces of the slats are designed with smooth, non-marring properties while maintaining structural integrity, creating local quality differences that prevent food damage.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP3199477B1A slat for a chain conveyor belt and a conveyor belt system comprising the same
Publication Date: 2019.07.17 PRINCE CASTLE LLC
  • EP3199477B1 patent drawingFigure 1~2
  • EP3199477B1 patent drawingFigure 3
  • EP3199477B1 patent drawingFigure 4~5

AI summary

A conveyor belt system provides a continuous flat support surface for a food item that moves the food item through a food preparation device. The conveyor belt system includes a conveyor belt having a plurality of spaced apart rods and a plurality of slats that are removably attached to the conveyor belt with a snap on mechanism. The slats are easily assembled and provide enhanced field service and/or replacement capability.