Very interesting from profit of the way on jtrains yahoo group.
The bogie steering mechanism of Tokyo Metro Ginza Line Series 1000 emus
recently received the New Invention Award from the Japan Institute for
Promoting Invention and Innovation.
Development of the New Concept Steering Bogie
Nippon Steel & Sumitomo Metal Technical Report
http://www.nssmc.com/en/tech/report/nssmc/pdf/105-08.pdf
Tokyo Metro 1000 series
http://en.wikipedia.org/wiki/Tokyo_Metro_1000_series
.jeff
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