Integrated Tank Latch Assembly for Simultaneous Unlatching
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Solution Overview
Problem
The existing carpet extractor designs have inconveniently located and operated latches for solution and recovery tanks, making them difficult to manage and detract from the appearance with protruding latches.
Innovation Solution
A cleaning apparatus with a latching assembly that allows simultaneous unlatching of both the solution and recovery tanks, positioned in close proximity to each other, and integrated into a housing with a suction nozzle system for efficient cleaning solution dispensing and dirt extraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate latches are used for solution tank and recovery tank, then each tank can be independently secured, but the latches are located far apart and require different operations making them inconvenient to use
Solution Approach 1:
The patent combines two separate latch mechanisms into a single integrated latch assembly that simultaneously secures both the solution tank and recovery tank. This single latch mechanism is positioned to engage with both tanks at once, allowing the user to secure or release both tanks with one operation rather than requiring separate operations for each tank.
Solution Approach 2:
The single latch assembly serves multiple functions: it secures both the solution tank and recovery tank to the housing, provides a unified operation interface for the user, and maintains both tanks in their proper positions. This multi-functional design eliminates the need for separate latches while ensuring reliable securing of both tanks.
2Reliability
If protruding latches are used to secure tanks, then tanks can be firmly attached to housing, but the protruding latches detract from the overall appearance of the cleaning apparatus
Solution Approach 1:
The patent extracts the latch mechanism from a protruding external position and integrates it into the housing structure. The latch assembly is positioned within the housing such that it does not protrude outward, thereby maintaining a sleek appearance while still providing firm attachment of both tanks through internal engagement mechanisms.
3Adaptability or versatility
If latches are located far apart on the housing, then each tank can be individually accessed, but it requires inconvenience and difficulty for the user to locate and operate each latch
Solution Approach 1:
The patent merges the operation of two separately located latches into a single centrally positioned latch assembly. This unified latch is located in a convenient position that is easily accessible to the user, eliminating the need to search for or operate two separate latches while still allowing individual access to each tank when needed.
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
Improves user convenience by simplifying tank operation and appearance by allowing simultaneous unlatching and positioning of tanks, enhancing cleaning efficiency and aesthetics.
Implementation Method 1
A suction source is in fluid communication with the suction nozzle for generating suction to draw dirt and liquid through the suction nozzle and into the recovery tank
Data Source
AI summary
A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. In one aspect of the invention, the cleaning apparatus includes a housing and a recovery tank removably mounted to the housing. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to the housing. A suction nozzle is secured to the housing and is in fluid communication with the recovery tank. A suction source is in fluid communication with the suction nozzle for generating suction to draw dirt and liquid through the suction nozzle and into the recovery tank. A first latch is operatively connected to the solution tank to releasably latch the solution tank to the housing and a second latch is operatively connected to the recovery tank to releasably latch the recovery tank to said housing, wherein the second latch is in close proximity to the first latch.