On 8/25/2010 6:32 PM, Ed Foote wrote: > It was my understanding that the underlying principle of the > patent was two-fold, to have the leads as close as possible to > the fulcrum, and to have the balance rail pin slightly distal > to the center of the half-round, effectively causing the > fulcrum point to shift proximally as the key rocks. What was > accelerated was the ratio, in theory. > Regards, > > Ed Foote RPT Verifiable by looking at them, the ratio through the key stroke changes far more on a conventional flat punching than it does on the half round. Perhaps it's another suspension of disbelief patent. Ron N
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