Patent ID: 7050211

Claim:
A torsional hinged mirror assembly having a first axis and a second axis orthogonal to said first axis comprising: a mirror member comprising; a front layer defining a reflective surface with a perimeter edge, a first dimension extending along said first axis between first and second ends and a second dimension extending along said second axis; a back layer attached to said front layer including a center section and first and second end sections, each of said first and second end sections defining a central spine extending from said center section along said first axis toward said first and second ends respectively, and a pair of perimeter ridges extending from said center section proximate said perimeter edge of said front layer toward said first and second ends respectively; a hinge plate having a mirror side bonded to said back layer of said mirror member, and a backside comprising; a center section, a pair of torsional hinges extending away from said center section and along a pivotal axis, said pivotal axis parallel to said second axis, and first and second end sections defining a central spine extending away from said center section along said first axis; and said center section and said central spine of said mirror member aligned with the center section and central spine of said hinge plate.