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Bad Design: propelling pencil

Bad Design: propelling pencil. By Hao Sun. Introduce the drawbacks of propelling pencils. Propelling pencil with eraser on the top 1.If we erase too hard when using the eraser, the pencil lead will be pushed out of the pencil. 2.Hard to put pencil lead into propelling pencils

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Bad Design: propelling pencil

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  1. Bad Design: propelling pencil By Hao Sun

  2. Introduce the drawbacks of propelling pencils • Propelling pencil with eraser on the top • 1.If we erase too hard when using the eraser, the pencil lead will be pushed out of the pencil. • 2.Hard to put pencil lead into propelling pencils • (lead usually breaks)

  3. Survey about these problems

  4. the lead is not advanced by pressing on the eraser (However there are a group of people think the button is uncomfortable during writing) Solutions to deal with it

  5. Hard to put the lead into the hole The lead is too long and easy to break. Details about the second problem

  6. Since the lead is not advanced by pressing the eraser, it’s ok to take it off. Make the hole as the picture shows Solution dealing with the 2nd problem

  7. Slide number: 1.http://www.pixel-glam.com/viewtopic.php?t=5340 2.http://www.print-gifts.com/products/279/mechanical-pencil-with-eraser/ 4.http://jhb518.com/list.asp?ProdId=0106079 5. http://www.pergamano.com/plaza/news.asp?news_id=365 Reference for pictures

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