Hard surface cleaning and conditioning assemblies
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Solution Overview
Problem
Existing hard surface cleaning and conditioning assemblies face challenges in ease of use, particularly when dealing with large surface areas, leading to user fatigue due to inefficient motion and difficulty in switching between different conditioning agents without cross-contamination.
Innovation Solution
A hard surface cleaning and conditioning assembly that allows for easy conversion between conditioning agents without purging or emptying the system, featuring a removable container with a dispensing valve that moves between closed and open states, and an agent dispensing device without internal volume or valve, enabling efficient dispensing of agents from either a container or backpack.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the assembly uses a fluid delivery system with internal volume to dispense conditioning agents, then dispensing is enabled, but cross-contamination occurs when switching between different conditioning agents
Solution Approach 1:
The system is segmented into a removable container portion and a separate tool portion. The container holds the conditioning agent and connects to the tool, which lacks internal fluid storage. This segmentation eliminates the cross-contamination problem by removing the shared internal volume while maintaining dispensing capability through direct connection during use.
Solution Approach 2:
The internal volume for fluid storage is extracted from the tool and placed entirely within the removable container. The tool portion contains only the dispensing mechanism without any internal reservoir, ensuring that no conditioning agent remains in the tool to cause cross-contamination when switching agents.
2Reliability
If the assembly has a complex fluid delivery system to maintain agent retention, then dispensing control is improved, but ease of operation deteriorates due to purging requirements
Solution Approach 1:
By segmenting the system into a removable container and a tool without internal volume, the invention eliminates the need for purging operations. The container can be quickly removed and replaced without complex flushing or clearing procedures, significantly improving ease of operation while maintaining agent retention during use through the direct fluid delivery path.
3Productivity
If the assembly uses a dispensing system with internal volume, then fluid delivery is enabled, but loss of time occurs during agent switching due to purging requirements
Solution Approach 1:
The removable container design segments the storage and dispensing functions, allowing instantaneous switching between conditioning agents by simply replacing the container. This eliminates the time-consuming purging operations required in traditional systems with internal reservoirs, significantly reducing loss of time and improving overall productivity.
Solution Approach 2:
The container is pre-filled with the desired conditioning agent before attachment to the tool. This preliminary preparation eliminates the need for time-consuming filling or purging operations during switching, as the next agent is already ready in the container awaiting quick replacement.
Data Source
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Figure 5a~5c
AI summary
A hard surface cleaning and conditioning assembly is provided for use with a removable container having a dispensing valve that moves between a closed state and an open state. The assembly includes a pole; a trigger that moves between a normal position and an activated position; a tool depending from the pole remote from the trigger; and an agent dispensing device depending from the pole. The agent dispensing device has an activation arm operatively coupled to the trigger. The activation arm moving between a first position when the trigger is in the normal position and a second position when the trigger is in the activated position. The agent dispensing device has a housing into which at least a portion of the dispensing valve can be removably positioned to be activated by the activation arm.