Cutlery dispensing system and method

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Solution Overview

Problem

Existing cutlery dispensers face issues with sanitation, space efficiency, ease of use, and maintenance, as they often lead to cross-contamination, require significant space, and are difficult to refill without disrupting operations.

Innovation Solution

A gravity-fed cutlery dispenser system that presents cutlery end-on, with a compact footprint, lateral access for loading and maintenance, and a reliable escapement mechanism to ensure consistent dispensing, while also featuring a modular base unit for multiple dispensers and a low-cutlery indicator for easy refilling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If cutlery is placed in open bins for self-service, then ease of access and visibility is improved, but sanitation deteriorates due to cross-contamination from multiple users handling the cutlery

Engineering Contradiction:
Improveease of accessVSAvoidsanitation
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The cutlery supply is segmented into individual single-serving packages rather than being placed in shared open bins. Each package is independently sealed and sanitized, eliminating cross-contamination between users while maintaining ease of access through self-service distribution.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Individual cutlery items or sets are wrapped in flexible packaging films that provide a sanitary barrier. This thin film encapsulation prevents direct contact between users and the cutlery, eliminating cross-contamination while allowing easy retrieval of individually packaged items from dispensers.

Inventive Principle:
Principle #30Flexible shells and thin films

2Object-affected harmful factors

If pre-packaged cutlery kits are provided, then sanitation is improved, but ease of operation deteriorates as users must remove overwraps and cannot select individual items

Engineering Contradiction:
ImprovesanitationVSAvoidease of access
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

Instead of providing pre-assembled cutlery kits with multiple items in one package, the system segments the supply into individual single-item or single-use packages. Users can easily select and take only the specific cutlery items they need without having to remove overwraps from multi-item kits or use unwanted items.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The packaging system is designed to be dynamically adaptable to user needs, with individual packages that can be easily removed and opened as needed. The dispensing mechanism allows users to dynamically select items based on their specific requirements rather than being constrained by fixed pre-assembled kits.

Inventive Principle:
Principle #15Dynamics

3Extent of automation

If traditional lever-actuated dispensers are used, then automated dispensing is achieved, but sanitation deteriorates because the lever and tray become contamination carriers

Engineering Contradiction:
Improveautomated dispensingVSAvoidsanitation
Core Design Contradiction:
Extent of automationVSObject-affected harmful factors

Solution Approach 1:

The system extracts and removes the contaminated components (levers and shared trays) from the dispensing process. Instead, individually packaged cutlery is dispensed through a mechanism that does not require users to touch shared surfaces, eliminating the contamination carrier problem while maintaining automated or semi-automated dispensing functionality.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The individual packaging serves as an intermediary between the dispensing mechanism and the user's hands. The package can be dispensed through a modified mechanism that minimizes contact, and the user interacts with the package rather than directly with the dispenser components, breaking the contamination transmission chain.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Ease of repair

If lateral access dispensers are used, then ease of refilling is improved, but space efficiency deteriorates due to larger footprint

Engineering Contradiction:
Improveease of refillingVSAvoidfootprint
Core Design Contradiction:
Ease of repairVSArea of stationary object

Solution Approach 1:

The dispenser design transitions from a lateral access configuration to a top-loading configuration, utilizing the vertical dimension for refilling access. This dimensional change allows the dispenser to maintain a compact horizontal footprint while providing easy refilling access from the top, eliminating the need for lateral access space.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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 system provides a sanitary, space-efficient, and easy-to-use solution for dispensing cutlery, reducing cross-contamination and the need for frequent refilling, while maintaining a compact footprint and allowing for customizable cutlery options.

Implementation Method 1

A gravity-fed cutlery dispenser system that presents cutlery end-on

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentUS11134796B2Cutlery dispensing system and method
Publication Date: 2021.10.05 WADDINGTON NORTH AMERICA INC
  • US11134796B2 patent drawing
  • US11134796B2 patent drawing
  • US11134796B2 patent drawing

AI summary

An escapement mechanism of a cutlery dispenser causes a cutlery article to fall from a vertical stack onto a slide track that guides it to a dispensing position. A slide channel and head channel of the slide track can laterally confine the cutlery article. A dampening surface can reduce cutlery bouncing and skewing. The escapement mechanism can include at least three pivots and/or a coil return spring. Dispensers can be installed in a base in any desired combination and retained therein by compatible features such as flanges and slots that prevent dispenser tipping. In embodiments, individual dispensers can be horizontally slid part-way out of the base to access side features that would otherwise be obscured by a neighboring dispenser. A cutlery quantity indicator can laterally contact the cutlery stack and can pivot to display a low-cutlery signal when the cutlery stack falls below an indicator height.