Spring-Loaded Spindle Restrictor to Reduce Toilet Paper Waste
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Solution Overview
Problem
Conventional spindles for holding toilet paper and other continuous format products do not restrict excess paper from being pulled, leading to waste and environmental harm, and there is a need for a solution that reduces consumption while being environmentally friendly and cost-effective.
Innovation Solution
A spindle with an elongated hollow arm and spring-loaded restrictor protrusions that secure to a roll holder, limiting the length of paper dispensed by depressing to insert through the roll and releasing to hold it in place, preventing excessive unwinding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If conventional spindles are used to hold toilet paper rolls, then the spindles are simple in structure and easy to operate, but they allow excessive paper to be pulled from the roll causing waste
Solution Approach 1:
The spindle incorporates spring-loaded restrictor protrusions that dynamically adjust their position. When paper is pulled, the springs compress to allow movement up to a limited extent, then the protrusions engage to restrict further pulling. This dynamic mechanism prevents excessive paper waste while maintaining operational simplicity.
Solution Approach 2:
The restrictor protrusions act as intermediary elements between the paper roll and the user's pulling action. These protrusions physically intervene to limit the amount of paper that can be removed, serving as a mediating structure that enforces controlled dispensing without requiring complex electronic or mechanical systems.
2Object-affected harmful factors
If conventional spindles are used, then the device is simple and cost-effective, but children and pets can easily unwind entire rolls creating mess
Solution Approach 1:
The restrictor protrusions are pre-positioned on the spindle to counteract the harmful action of unwinding entire rolls. Before any excessive pulling can occur, the protrusions are already in place to physically block and restrict the paper's movement, preventing the harmful outcome of complete roll unwinding by children or pets.
Solution Approach 2:
The spring-loaded protrusions provide dynamic resistance that adapts to pulling forces. When subjected to strong pulling attempts by children or pets, the springs compress and the protrusions engage firmly to restrict movement, making it difficult to unwind entire rolls while still allowing normal controlled dispensing.
3Quantity of substance
If no paper restriction mechanism is used, then the spindle is easy to manufacture and install, but users unknowingly pull too much paper leading to excessive consumption
Solution Approach 1:
The spindle's restrictor protrusions automatically enforce paper consumption limits without requiring user intervention or external control systems. The mechanical structure itself provides the restriction function, serving automatically to limit paper removal to appropriate amounts while allowing free operation within those limits.
Solution Approach 2:
The restrictor protrusions serve as intermediary structures that physically mediate between the user's paper dispensing action and the paper roll. These protrusions enforce consumption control by limiting the physical distance paper can be pulled, thereby regulating the quantity of paper consumed without requiring complex monitoring or control systems.
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 spindle effectively reduces paper waste by limiting the length of paper dispensed, promoting environmental sustainability and cost savings by minimizing consumption.
Implementation Method 1
The restrictors are coupled to individual springs and are configured to be depressed. The springs are configured to depress when the restrictor protrusion is depressed and released when the spindle is in place to hold the roll.
Data Source
AI summary
The present invention relates to a multipurpose spindle for dispensing a continuous format product, such as toilet paper. The spindle is configured to restrict movement of product or paper off the roll to reduce the length of product removed. More specifically, the spindle includes a hollow arm having a thick arm and a thin arm, a plurality of spring biased paper restrictors, and the restrictor touches the paperboard core of a roll to restrict movement of paper off the roll. A central torsional spring positioned inside the hollow arm also helps in restricting the movement of the paper product. The paper restrictors are depressed to slide the spindle through a paper roll and are released to touch the paperboard core of the roll.