Mop Bucket Dolly Ramp Interlock Without Heavy Lifting
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Solution Overview
Problem
Janitors face difficulty in efficiently linking a trash can dolly and a mop bucket together for simultaneous rolling, as existing methods require lifting the heavy mop bucket filled with water and cleaning solution, causing strain.
Innovation Solution
An interconnection mechanism with a movable ramp section and return springs allows the trash can dolly to be easily attached to the underside of the mop bucket without lifting, using a rolling motion to engage retaining ribs and walls for secure alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the mop bucket is lifted to be inserted over the interconnecting member from the trash can dolly, then the trash can dolly and mop bucket can be interconnected, but it causes stress on the janitor and is difficult to operate when the mop bucket is filled with water and cleaning fluids
Solution Approach 1:
Instead of lifting the mop bucket upward over the interconnecting member, the ramp section is lowered downward to receive the mop bucket. This inversion of the interconnection direction allows the heavy mop bucket to be rolled onto the ramp and lowered into position without lifting, eliminating stress on the janitor while maintaining secure interconnection between the trash can dolly and mop bucket
Solution Approach 2:
The interconnecting member incorporates a movable ramp section that can be dynamically lowered and raised. The ramp section moves from an initial elevated position to a lowered receiving position to accept the mop bucket, then returns to its initial position to secure the interconnection. This dynamic movement enables easy interconnection without requiring the janitor to lift the heavy mop bucket
2Adaptability or versatility
If the mop bucket is filled with water and cleaning fluids and has the wringer on it, then the mop bucket is ready for use, but it becomes a heavy object that would provide stress on the janitor to lift
Solution Approach 1:
The ramp section functions as a mechanical counterweight system by being lowered to a position where it can receive and support the heavy mop bucket. The ramp's downward movement creates a receiving position that accommodates the full weight of the water-filled mop bucket without requiring the janitor to exert lifting force, as the ramp structure itself supports the load during interconnection
3Reliability
If the ramp section is lowered to be placed into a location under the mop bucket, then the trash can dolly and mop bucket can be retained together, but the interconnecting member must have a mechanism to lower and raise the ramp section
Solution Approach 1:
The interconnecting member employs spring-loaded return force means that automatically raise the ramp section after it has lowered to receive the mop bucket. The springs store energy during the lowering phase and release it to return the ramp to its initial elevated position, securing the mop bucket in place. This self-service mechanism maintains reliable retention while minimizing the need for complex external actuation 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
Enables the trash can dolly and mop bucket to be securely linked and rolled together without lifting the mop bucket, reducing strain on the janitor and facilitating efficient cleaning operations.
Implementation Method 1
return force means such as return springs which enable the interconnecting ramp to be in line with the trash can dolly and enable an activation force to overcome the force of interconnecting springs
Data Source
AI summary
A unique attachment mechanism whereby a trash can dolly can be affixed to the underside of a mop bucket by an interconnection mechanism by a simple rolling motion so that it is not necessary to lift a heavy mop bucket filled with water to interconnect the mop bucket and the trash can dolly.