Folded Web Material Dispenser with Bottom-Loading Support Mechanism
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Solution Overview
Problem
Existing dispensers for folded web material face challenges in replenishing from the bottom end, leading to difficulties in managing large stacks and preventing overfilling, which complicates the refilling process and can cause pinching or difficulty in dispensing.
Innovation Solution
A dispenser design with a movable supporting arrangement that allows for easy insertion of new stacks from the bottom, featuring a loading opening and a supporting mechanism that moves between support and insert positions, ensuring the stack is compressed and connector members can interconnect stacks during refilling, preventing overfilling by requiring new material to be pushed past a specific distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If sheet material is dispensed from the bottom end of the stack, then replenishing is simple by placing fresh material on top, but the weight of large stacks makes dispensing difficult
Solution Approach 1:
The patent inverts the conventional dispensing approach by dispensing from the top end instead of the bottom end. This allows the stack to be replenished from the bottom while maintaining easy dispensing operation, resolving the contradiction between replenishing simplicity and dispensing difficulty caused by weight.
2Productivity
If multiple separate stacks are joined to form continuous folded web material, then productivity increases, but the refilling procedure becomes more complex
Solution Approach 1:
The patent employs automatic joining mechanisms that self-connect multiple substacks without requiring complex manual intervention. The connector members automatically engage with corresponding receptacles, enabling high productivity through automated stack joining while keeping the refilling procedure simple.
3Quantity of substance
If excessive amounts of folded web material are stored in the dispenser, then quantity availability increases, but the material becomes pinched and difficult to dispense
Solution Approach 1:
The patent uses a movable supporting arrangement that dynamically adjusts its position based on the amount of material in the stack. As material is dispensed and the stack level decreases, the support moves accordingly, maintaining optimal dispensing conditions and preventing pinching even when large quantities of material are stored.
Data Source
AI summary
A dispenser for dispensing a sheet of web material from a stack of folded web material, the dispenser including: a web material storage section arranged to hold and support the stack of folded web material; the web material storage section including an upper end portion from which the web material is arranged to be lead for dispensing thereof, a lower end portion, opposite to the upper end portion, the upper end portion and lower end portion being arranged in a fixed spatial relationship. The lower end portion of the web material storage section includes a loading opening and a supporting arrangement, arranged to be movable between a support position wherein the supporting arrangement extends at least partially over said loading opening enabling the support of the stack of folded web material, and an insert position.