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Thread: Help needed to complete a mechanical clicker writing pen design

  1. #1
    Associate Engineer UK-David's Avatar
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    Help needed to complete a mechanical clicker writing pen design

    Hi Guys,

    I have been working on a very unique clicker writing pen design but hit a brick wall with a part of the mechanism....

    I have 3D drawings of my design so far....

    Am I allowed to post drawings for you guys to have a look and hopefully give some advice?

    Thanks
    David.
    Last edited by UK-David; 03-08-2014 at 04:24 AM. Reason: typo's haha

  2. #2
    Technical Fellow Kelly_Bramble's Avatar
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    Yes, you can post images... see:

    How to post images

  3. #3
    Associate Engineer UK-David's Avatar
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    I can't upload the drawings.....maybe because I am a newbie?

  4. #4
    Technical Fellow Kelly_Bramble's Avatar
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    Quote Originally Posted by UK-David View Post
    I can't upload the drawings.....maybe because I am a newbie?
    Wrong format, image too large, not following instructions...

  5. #5
    Associate Engineer UK-David's Avatar
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    I hope the files attached this time....I have followed all the instructions.........
    Attached Images Attached Images

  6. #6
    Associate Engineer
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    where i the spring you have placed in the bottom...

  7. #7
    Lead Engineer Cake of Doom's Avatar
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    Is the plan for the central ball, in the second image, to replace the need for a spring?

  8. #8
    Associate Engineer UK-David's Avatar
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    Quote Originally Posted by Cake of Doom View Post
    Is the plan for the central ball, in the second image, to replace the need for a spring?
    No it is a gadget fun pen loosely based on the 007 GoldenEye Grenade Parker Pen.

    My pen is not a Grenade but a locked pen!

    How does it work:

    1. Hold the pen in an upright position then press the push button once
    2. Then hold the pen Inverted and press the push button once
    3. Then hold the pen upright again and press the push button once and the nib will open

    I really need some HELP from you guys on the mechanism design.
    Last edited by UK-David; 03-15-2014 at 01:42 PM.

  9. #9
    Associate Engineer UK-David's Avatar
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    If you keep pressing the button and do not follow the 3 moves listed above the pen just keeps clicking but the nib will not engage so the pen is locked until the correct moves are made...

    I have the mechanism working for the 1st and 2nd move but I am stuck on the final 3rd move....

    Any advice guys?

  10. #10
    Associate Engineer UK-David's Avatar
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    Bump!

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