US PATENT SUBCLASS 310 / 333
.~.~.~ Shear or torsional type

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

300  DF  NON-DYNAMOELECTRIC {4}
311  DF  .~ Piezoelectric elements and devices {17}
328  DF  .~.~ With mechanical energy coupling means {6}
333.~.~.~ Shear or torsional type

DEFINITION

Classification: 310/333

Shear or torsional type:

(under subclass 328) Subject matter wherein the mechanical stresses applied to or produced within the piezoelectric element include a pair of noncolinear, oppositely directly linear forces, or a pair of oppositely directed moments of mechanical force acting in parallel planes.