H ELECTRICITY
H02 GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02N ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
H02N2/00 Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
H02N2/02 producing linear motion, e.g. actuators; Linear positioners; ; Linear motors
H02N2/04 Constructional details
H02N2/043 Mechanical transmission means, e.g. for stroke amplification