Hinged-Arm Dispenser for Compact Roll Loading and Dispensing
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Solution Overview
Problem
Existing dispensers for dispensing tissue paper from rolls are bulky and cumbersome to load, often requiring multiple steps and not ensuring easy accessibility for end-users.
Innovation Solution
A dispenser design featuring a hinged arm with a perpendicular spindle that pivots between loading and dispensing positions, allowing compact storage and easy roll replacement, along with a deflecting mechanism to ensure correct roll installation and a snap-out mechanism to prevent overloading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the dispenser is designed to allow access to the spindle when the front cover is opened, then the dispenser can be loaded with new rolls, but the dispenser becomes large and bulky
Solution Approach 1:
The arm is designed to pivot between a first position (withdrawing the spindle from the housing) and a second position (inserting the spindle into the housing). This dynamic movement allows the dispenser to access the spindle for loading without requiring permanent internal access, thereby reducing overall dispenser size while maintaining loading capability
Solution Approach 2:
Instead of providing direct internal access to the spindle through the housing, the invention uses an external arm mechanism that approaches the spindle from outside the housing volume. This dimensional approach allows loading functionality without increasing the housing size
2Volume of moving object
If the arm is folded over the support member in first position, then the dispenser becomes more compact, but the loading process becomes more complex
Solution Approach 1:
The arm is designed to pivot automatically between positions based on the loading/dispensing state. When a roll is loaded onto the spindle, the arm naturally transitions to the dispensing position, eliminating the need for manual positioning or complex control mechanisms
Data Source
AI summary
Dispenser for dispensing web material from a roll, the dispenser including a housing defining an interior of the dispenser and an arm hinged at a hinge point to a support member. The arm is adapted to pivot about the hinge point. The dispenser further includes a spindle attached perpendicular to the arm. The spindle is adapted to rotatably support a roll during dispensing. The arm is pivotable between a first position in which the spindle is arranged in a dispensing position within the housing of the dispenser and a second position in which the spindle is arranged in a loading position outside the housing of the dispenser in order to allow loading of a roll onto the spindle.