Revision as of 00:52, 2 February 2012

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

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)
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

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