Sliding Cover Dispenser for Safer Horizontal Refill Access
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Solution Overview
Problem
Existing wall-mounted liquid and foam dispensers, such as soap and sanitizer dispensers, pose difficulties for short individuals to refill due to limited cover opening and risk of breakage when the cover is open.
Innovation Solution
A dispenser design featuring a slideable cover along rails, allowing for horizontal insertion and removal of a refill unit, with a latch mechanism to secure the cover in closed position and prevent unauthorized removal, enhancing accessibility and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the cover is made rotatable and openable for refilling, then the dispenser is refillable, but the cover may be struck and broken when open
Solution Approach 1:
The cover is segmented into a fixed portion attached to the base and a movable portion that slides along rails. This segmentation allows the movable portion to be easily opened and closed for refilling while the fixed portion remains securely attached to the wall, preventing the entire cover from being struck and broken.
Solution Approach 2:
The cover transitions from a static, fully rotatable design to a dynamic sliding mechanism. The movable portion can slide horizontally along rails to open and close, providing the necessary dynamics for refilling while maintaining structural integrity through the fixed portion that remains stationary and secure on the wall.
2Device complexity
If the cover opening is limited by the wall extension, then the mounting structure is simple, but it is difficult for a short person to refill
Solution Approach 1:
The refill mechanism transitions from a vertical downward loading motion to a horizontal sliding motion along rails. This dimensional change allows the refill unit to be accessed and inserted horizontally, making it easily reachable for users of all heights while maintaining the simple wall-mounted structure.
Solution Approach 2:
The sliding cover acts as an intermediary mechanism between the user and the refill unit. By providing a horizontal sliding motion along rails, it creates an accessible interface that bridges the gap between the wall-mounted position and the user's reach, regardless of height.
3Ease of operation
If the refill unit is accessible when the cover is open, then refilling is easy, but the refill unit may be accidentally removed or damaged
Solution Approach 1:
The latch mechanism is designed to automatically engage when the cover is closed, preliminarily securing the refill unit before any accidental removal can occur. This preliminary action of automatic latching ensures the refill unit remains secure during normal operation while still allowing easy access when the cover is intentionally opened for refilling.
Data Source
AI summary
An exemplary dispenser includes a base having at least one rail, a cover, and a mounting portion for a refill unit having a container for fluid. The cover is slideable along at least one rail of the base between a closed position and an open position.