Patent ID: 7471032

Claim:
An assembly for oscillating a device around a pivot axis comprising: first and second elongated members for supporting said oscillating device attached to and extending between said oscillating device and end portions along said pivot axis, said first one of said elongated members comprising a first torsional hinge; a first pair of piezoelectric elements extending between a support base and the end portion of said first torsional hinge, each of said first pair having a thickness along a first dimension, a width along a second dimension and a height along a third dimension, said third dimension extending perpendicular from said support base to said first torsional hinge and said first pair of piezoelectric elements positioned such that the width of a first one of said first pair is not parallel to the width of the other one of said first pair; and a structure extending from said support base for supporting said end portion of said second elongated member.