Mop wringer
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Revision as of 00:52, 2 February 2012
Contents |
Stakeholder Analysis
In performing a product use study the following stakeholders, their needs, and desires were identified and documented.
Stakeholder | Needs | Wants |
---|---|---|
Manufacturers | Low cost, Able to mass produced, Easy to assemble, Environmentally friendly, Easy to store and package | |
Investors | Low cost, Significant innovation, Aesthetics, Large market | |
Retailers | Easy to store, Accessory options, Universal interface, Compatibility, Low cost, Utility | |
Cleaning Supply Companies | Universal interface, compatibility | |
Commercial Consumers | Low cost, Durability, Light Weight, Quiet, Intuitive operation, Ergonomic design, Easy to stow, Easy to clean | |
Independent Consumers | Low cost, Aesthetically pleasing, easy to clean, Storability, Portability, Intuitive operation, Light weight, Durability |
Usage
Mechanism
Bill of Materials
Figure 1: Exploded view of complete mop and bucket
Figure 2: Exploded view of wringer sub-assembly
Figure 3: Exploded view of self-wringing mop
Sub-assembly | Part | Quantity | Description | Material | Manufacturing Process | Weight (g) | Image |
---|---|---|---|---|---|---|---|
Bucket | Bucket | 1 | Holds water and cleaning solution, collects water drained from mop | Plastic | Injection Molded | 3,413 | |
Bucket Handle | 1 | Allows user to pick up bucket (e.g. move up/down stairs, into car) | Aluminum | Extruded, cut, bent | 219 | ||
Wringer | Upper Wringer Plate | 1 | Translates toward the bottom wringer plate to compress the mop head and squeeze water into bucket | Plastic | Injection Molded | 781 | |
Bottom Wringer Plate (Wringer Base) | 1 | Provides a rigid surface for the upper wringer plate to compress the mop head against | Plastic | Injection Molded | 1520 | ||
Linkage Stabilizing Pin | 1 | Creates a uniform starting point for linkages to push off from thereby stabilizing upper wringer plate when being compressed | Aluminum | Extruded, cut | 48 | ||
Upper Wringer Plate Linkages | 4 | Controls translation of upper wringer plate towards bottom wringer plate to compress mop head | Steel | Stamped | 69 | ||
Rivets | 2 | Secures wringer lever to linkages | Aluminum | Purchased | 4 | ||
Wringer Lever | 1 | Controls movement of upper wringer plate and therefore the compression of the mop head | Aluminum | Extruded, cut, bent (purchased) | 937 | ||
Level Torsional Spring | 1 | Resists compression of upper wringer plate and returns it to its original, open position | Aluminum | Extruded, bent (purchased) | 4.4 | ||
Wheel | Wheel Bolt | 4 | Aluminum | Purchased | 18 | ||
Wheel Nut | 4 | Aluminum | Purchased | 4 | |||
Wheel Mount | 4 | Provides interface to connect wheels to bottom of bucket | Plastic | Injection Molded | 67 | ||
Wheel Mount Pin | 4 | Secures wheel housing and wheel mount together | Steel | Purchased | 21 | ||