Web material dispenser
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing web material dispensers face challenges in facilitating the replacement of rolls, especially in space-constrained environments, as increasing the size of dispensers to accommodate multiple rolls complicates access for replacement.
Innovation Solution
A web material dispenser design featuring a fixed housing portion and a movable housing portion that pivots between closed and open positions, allowing for easy access to two or more rolls, along with a dampening system to control the opening speed, enabling efficient roll replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the dispenser size is increased to accommodate two or more rolls, then the availability of web material is improved, but the ease of operation for roll replacement deteriorates
Solution Approach 1:
The dispenser housing is segmented into a fixed portion and a movable portion that can be independently opened. The movable portion includes a movable back wall that can be displaced from the fixed back wall, creating separate access paths to different rolls. This allows users to access and replace rolls without opening the entire dispenser, maintaining compactness while improving operational ease.
Solution Approach 2:
The invention introduces a new dimension of access by allowing the movable back wall to displace perpendicular to the front opening plane. This creates a second access dimension through the rear of the dispenser, enabling users to reach rolls from multiple directions and simplifying roll replacement in space-constrained environments.
2Reliability
If the dispenser size is increased to accommodate two or more rolls, then the reliability of web material supply is improved, but the device complexity increases
Solution Approach 1:
The housing is divided into fixed and movable portions with independent access mechanisms. The movable back wall can be displaced separately from the front opening, creating modular access zones. This segmentation allows the complex multi-roll housing to be managed through simpler, independent movement components rather than requiring complex coordinated mechanisms.
Solution Approach 2:
The back wall is designed with dynamic movement capability, allowing it to transition between fixed and movable states. The movable back wall can be selectively displaced to provide access to rolls while maintaining a compact closed structure when not in use, reducing the overall device complexity while ensuring reliable multi-roll supply.
3Ease of operation
If a dampening system is added to control opening speed, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The dampening system is designed to automatically regulate the opening speed of the movable back wall without requiring user intervention. The spring element and damper work together to provide controlled movement, allowing users to simply activate the opening mechanism while the system self-regulates the speed and motion profile, improving ease of operation with minimal added complexity.
Solution Approach 2:
A spring element acts as an intermediary between the movable back wall and the fixed housing, providing the dampening effect. This spring-mediated mechanism smoothly controls the opening motion by storing and releasing energy, reducing abrupt movements while adding only a single intermediate component rather than a complex control system.
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 design allows for easy and efficient replacement of rolls with a single-handed operation, maintaining compactness and ensuring that at least one roll remains available, reducing the likelihood of simultaneous depletion.
Implementation Method 1
the resilient element is a torsional spring
Data Source
AI summary
A web material dispenser for housing two or more rolls is provided. The web material dispenser includes a housing having a fixed housing portion provided with a first roll support assembly coupled thereto for supporting a first roll of web material. The housing further has a movable housing portion, movable between a closed position and an open position, provided with a second roll support assembly coupled thereto for supporting a second roll of web material. The fixed and movable housing portions defining a housing chamber therebetween when the movable portion is in the closed position, for at least partially enclosing the two or more rolls of web material within the housing chamber. The movable portion is moved to the open position for providing access to the two or more rolls and allowing replacement of at least one of the first and second rolls.