Gravity feed dispensing system
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Solution Overview
Problem
Existing gravity feed dispensing systems for bulk products face issues such as exposure to contaminants, spillage, and complexity in refilling and maintenance, particularly in the food retail industry, where hygiene and ease of use are critical.
Innovation Solution
A gravity feed dispensing system featuring an exchangeable cardboard container with a tearable bottom and a stationary holder that minimizes exposure to the atmosphere, reduces spillage, and facilitates easy refilling and maintenance, using a valve arrangement and snap-fit components for efficient operation and cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an openable lid scoop bin is used for bulk products, then customers can access the product freely, but the bulk product is exposed to contamination from the atmosphere and customers
Solution Approach 1:
The dispensing system is divided into separate functional components: a sealed container for bulk product storage, a dispensing mechanism with controlled outlet, and a receptacle for collected product. This segmentation allows the bulk product to remain isolated from contamination while still enabling customer access through the controlled dispensing mechanism.
Solution Approach 2:
A dispensing mechanism acts as an intermediary between the sealed bulk product container and the customer's receptacle. This intermediary controls the flow of product through a regulated outlet, preventing direct exposure to atmosphere and customer contact, while still allowing free access to the desired quantity.
2Object-affected harmful factors
If a manually operable valve gravity feed dispenser is used, then contamination risk is reduced, but refilling requires access to the upper inlet opening
Solution Approach 1:
The container is designed with a nested structure where an inner removable container holding the bulk product is placed within an outer housing that contains the dispensing mechanism. The inner container can be removed and replaced from the front, allowing refilling without requiring access to the top opening, thus maintaining both contamination protection and ease of refilling.
Solution Approach 2:
Instead of requiring top access for refilling as in conventional gravity feed dispensers, the invention inverts the refilling approach by enabling front access through removable side walls or front panels. This allows personnel to insert or replace containers from the front while the bulk product remains protected within the sealed structure.
3Ease of repair
If the dispenser has multiple constituent components for easy disassembly, then washing and maintenance become easier, but the number of parts increases
Solution Approach 1:
The dispenser is segmented into a limited number of major removable components: the inner container, the dispensing mechanism assembly, and the outer housing. Each component can be separately removed and washed, providing easy maintenance access while keeping the total number of parts manageable through functional integration within each segment.
Solution Approach 2:
The outer housing serves multiple functions: it contains the dispensing mechanism, provides structural support, and acts as a washable chamber. By making the housing multi-functional, the design reduces the need for additional separate components, thereby simplifying the overall structure while maintaining ease of cleaning and maintenance.
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 effectively reduces contamination and spillage, enhances hygiene, and simplifies handling and refilling processes, while being easy to assemble and disassemble, ensuring efficient and reliable operation with a low number of components.
Implementation Method 1
Gravity acts on the bulk product stored in the container and urges it toward the lower outlet opening
Implementation Method 2
The container is thus filled and refilled by store personnel having access to the upper inlet opening. Gravity acts on the bulk product stored in the container and urges it toward the lower outlet opening
Data Source
Figure 1
Figure 2a~2b
Figure 3a~3b
AI summary
A gravity feed dispenser for dispensing bulk products from an exchangeable container (70) with a tearable bottom portion (74). The gravity feed dispenser comprises a stationary holder (10) comprising a seat portion (17) arranged to receive at least a lower portion of the exchangeable container (70), an outlet opening (14) for dispensing the bulk product and a valve arrangement (40) which is arranged operatively between the seat portion (17) and the outlet opening (14), for selectively allowing and preventing outward flow of the bulk product from the exchangeable container (70) through the outlet opening (14). The seat portion (17) comprises essentially vertically arranged opposed side wall portions (21c, 22c), a rear wall portion (23c) and a front wall portion (33c) arranged to receive at least a lower portion of the exchangeable container (70) when inserted from above. The front wall portion (33c) of the seat portion (17) exhibits a slit (36) configured to allow removal of said tearable bottom portion (74) of the exchangeable container (70) through the slit (36).