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Unformatted text preview: when pressure is applied to it. Inside the slim cylindrical shell containing the pens tip is probably a tube of black ink, which secretes out through a very small opening on the tip. The hole is small enough to not leak ink when the tip is not in contact with a surface. 4. Inputs Product Function Output Paper Surface for ink to make contact with Writing/drawing Ink Liquid used to make mark Black writing/drawing Hand Apply force to direct ink writing/drawing 5. Visible Mechanical Components Spring Cap Outer black shell Inner silver and gold shell Silver and black shell containing ink and pens tip 6. Hidden mechanical components Ink Inner plastic cylinder within cap Inside of back end of black shell (opposite of cap)...
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This note was uploaded on 03/20/2012 for the course IED 101 taught by Professor Giltner during the Fall '11 term at Purdue University-West Lafayette.
- Fall '11