| http://www.w3.org/ns/prov#value | - The drive shaft 2 protrudes out from the hollow pivot support shaft 1 at one end thereof, e.g. the end supported by the bearing 5, and extends within the shaft 1 at least to a central region thereof, for example the centralone quarter portion, or preferably the central one fifth portion, or preferably within a range of .+-.5% from the center with regard to the longitudinal length L of the shaft 1.
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