To those interested in how it works, I followed a few links, and found their instructions for their kit: <a href="http://www.instructables.com/id/USB-Typewriter/?ALLSTEPS" rel="nofollow">http://www.instructables.com/id/USB-Typewriter/?ALLSTEPS</a>
It is probably quite rare already, and getting more so, but if you had to work with an older content creator that felt most comfortable using their trusted mechanical typewriter, this might actually be useful.
If you want the typewriter "feel" without the typewriter, try a Model M: <a href="http://pckeyboards.stores.yahoo.net/en104bl.html" rel="nofollow">http://pckeyboards.stores.yahoo.net/en104bl.html</a>