Multi-Roll Paper Dispenser with Movable Side and Sequential Dispensing

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Solution Overview

Problem

Existing consumable product dispensers, such as bath tissue dispensers, face challenges in easy loading and maintenance, with exposed rolls potentially leading to hygiene concerns and contamination when not in use.

Innovation Solution

A paper product dispenser design featuring a housing with movable sides and vertical tracks that support two rolls, allowing the upper roll to remain partially hidden until the lower roll depletes, enabling sequential dispensing and reducing exposure to the environment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If the dispenser uses a fixed side wall design, then the structural stability is improved, but the ease of loading rolls deteriorates

Engineering Contradiction:

Improvestructural stabilityVSAvoidease of loading rolls

Core Design Contradiction:

Stability of the object's compositionVSEase of operation

Solution Approach 1:

The side wall is designed to be movable rather than fixed, allowing it to pivot between a closed position (providing structural stability) and an open position (facilitating easy loading of rolls). This dynamic structure resolves the contradiction by adapting the wall's state based on the operational requirement.

Inventive Principle:

Principle #15Dynamics

2Ease of operation

If the upper roll is always exposed, then the accessibility is improved, but the hygiene concerns worsen due to environmental exposure

Engineering Contradiction:

Improveaccessibility of rollsVSAvoidhygiene concerns from environmental exposure

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The upper roll's exposure state is made dynamic rather than static. The roll remains concealed within the housing structure during normal operation (reducing hygiene concerns), and automatically becomes accessible when the lower roll depletes and the upper roll drops down, or when the side wall is opened for loading.

Inventive Principle:

Principle #15Dynamics

3Device complexity

If the dispenser holds only one roll, then the device complexity is reduced, but the productivity deteriorates due to frequent maintenance

Engineering Contradiction:

Improvedevice complexityVSAvoidproductivity affected by maintenance frequency

Core Design Contradiction:

Device complexityVSProductivity

Solution Approach 1:

The product supply function is segmented into multiple rolls (upper and lower) that can operate sequentially. The lower roll serves as the primary dispensing roll while the upper roll acts as a backup, allowing continuous operation without frequent maintenance interruptions. This segmentation increases productivity while maintaining manageable device complexity.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS11786085B2Multi-roll paper product dispenser

Publication Date: 2023.10.17 KIMBERLY CLARK WORLDWIDE INC

AI summary

Systems, methods and apparatus for dispensing of paper products. A paper product dispenser comprising a housing comprising a back, two sides, and a product holding area defined by the back and two sides, wherein each of the two sides includes a vertical track and wherein one of the two sides is movably attached to the housing; and a support device configured to movably engage the vertical tracks of the first and second sides and to support a first roll and a second roll, vertically offset from one another, in the product holding area.