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Ahmed AlfarajBerk BasarJames Tolley

Max Duan

Engineering Design:Toothbrush

02/26/2013

Main CategoriesPortabilityUser FriendlinessFlexibilityDurability

PortabilityDecreased thickness leads to less use of material.

Imperfections of the current toothbrush:

• Too thick• Uncomfortable to use• Not portable at all

PortabilityDecreasing the length which

leads less use of material

Imperfections of the current toothbrush:

• Too long• Hard to carry in a bag

User FriendlinessComfortable grip

Imperfections of the current toothbrush:

• Cheap rubber• Slippery surface

User FriendlinessInternal Toothpaste Dispenser

User FriendlinessEasy to press the power button

Imperfections of the current toothbrush:

• Requires too much effort to press the button• Rubber layer on it absorbs the force

FlexibilityRechargeable battery

Imperfections of the current toothbrush:

• Requires buying new batteries – too costly• Loses efficiency as the battery level goes down

User FriendlinessInternal timer

FlexibilityExchangeable brush tips

Imperfections of the current toothbrush:

• Requires buying the entire part• Not eco-friendly• Too costly

DurabilityStrong Body