Dispenser for dispensing sheet-like material from at least two containers
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Solution Overview
Problem
Existing dispensers for sheet material typically have only one container, requiring individual operation of multiple units on a mounting bracket, making it difficult to determine which is empty and complicating the process.
Innovation Solution
A dispenser with a motion-coupled cover element that can move between closed and open positions, allowing simultaneous operation of multiple containers, and a control unit that switches modes based on container status to ensure access to filled containers while preventing access to empty ones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple dispenser units are mounted on a mounting bracket to provide redundant containers, then system redundancy is improved, but device complexity and ease of operation deteriorate because each unit must be operated individually
Solution Approach 1:
Multiple container openings are merged under a single cover element, allowing one operational action to control access to multiple containers simultaneously. The cover element is designed to span across multiple container openings, integrating what would otherwise require separate cover operations into a unified mechanism.
Solution Approach 2:
The single cover element serves multiple functions by simultaneously covering and protecting multiple container openings. This multi-functional design allows one component to perform the protective function that would otherwise require separate components for each container, simplifying the operational interface while maintaining redundancy.
2Reliability
If multiple dispenser units are mounted on a mounting bracket to provide redundant containers, then system redundancy is improved, but device complexity increases due to multiple individual components
Solution Approach 1:
Multiple container openings are merged under a single cover element, allowing one operational action to control access to multiple containers simultaneously. The cover element is designed to span across multiple container openings, integrating what would otherwise require separate cover operations into a unified mechanism.
Solution Approach 2:
The single cover element serves multiple functions by simultaneously covering and protecting multiple container openings. This multi-functional design allows one component to perform the protective function that would otherwise require separate components for each container, simplifying the operational interface while maintaining redundancy.
3Ease of operation
If a single cover element is used to close multiple container openings, then ease of operation is improved, but manufacturing precision requirements increase
Solution Approach 1:
A motion-coupled unit acts as an intermediary mechanism between the user's single operational action and the multiple container openings. This intermediary translates one movement into coordinated movements that position the cover element accurately over multiple openings, reducing the direct precision requirements on the cover element itself while maintaining ease of operation.
Solution Approach 2:
The cover element incorporates dynamic positioning capabilities through the motion-coupled unit, allowing it to adapt its position to accommodate multiple container openings. This dynamic adjustment mechanism compensates for manufacturing tolerances and ensures proper sealing across different container configurations without requiring extremely tight manufacturing precision.
Data Source
Figure 1a~1c
Figure 2a~2b
Figure 3a~3c
AI summary
Dispenser (1) with at least one receiving device (2) for at least two replaceable containers (3, 31, 32), which have a wall (4), preferably made of an at least partially flexible material, wherein the sheet-shaped material (7) can be arranged or is arranged within the wall (4), and the at least two containers (3, 31, 32) each have a container opening (6) for removing the sheet-shaped material (7), wherein the dispenser (1) has at least one cover element (8) for closing and opening the container openings (6) of the at least two containers (3, 31, 32), wherein the at least one cover element (8) is designed as a movement-coupled unit and is - movable into a closed position (S), wherein in the at least one closed position (S) the container openings (6) of the at least two containers (3, 31, 32) can be covered by the at least one cover element (8), and - movable into at least one open position (O),wherein in the at least one open position (O) the container opening (6) of at least one container (3,31,32) can be opened for the removal of sheet-shaped material (7).