The Eggcrate Center AnkleI have designed a center ankle assembly built using an eggcrate frame for the non-structural parts of the ankle structure. Because I'm not comfortable with the idea of tapping threads into styrene, even though I've done it, I incorporated a barrel nut (sometimes called a dowel nut) into the structure to anchor the ankle to the frame.
||This is the
full center ankle (with only the edge skins missing)
The image links to a 3d pdf file, click on it if you want to be able to rotate the image around and examine it from other angles. (Note, the 3d.pdf file opens in a new window. If you have problems with the 3d feature you may have to upgrade to the latest version of Adobe Reader).
After 'activating' the 3d mode by clicking on the display
select a part by left clicking on it (the part will be highlighted)
then right clicking brings up a window. Follow the sequence
-> part options -> part render mode -> transparent
to make the outer parts transparent and the inner
Or you can use the views below which also link to .pdf files.
|This is a
partial view of the center ankle with parts made transparent so you can
see the barrel nut.
The image, like the one above, links to a 3d pdf file.