Patent ID: 7144251

Claim:
A dental-facial measuring instrument comprising a first strip of vertically elongated configuration including a first horizontal surface and a first slot located into left side of said first strip; a second strip of vertically elongated configuration including a second horizontal surface and a second slot located into right side of said first strip, and wherein said second horizontal surface is lower than said first horizontal surface; a slidable strip of vertically elongated configuration including a scale, a first corbel located on one side of said slidable strip, a second corbel located on another side of said slidable strip, and a horizontal portion comprising a first safety edge and a second safety edge, and wherein said slidable strip is located between said first strip and said second strip, and wherein said first corbel is inserted into said first slot and said second corbel is inserted into said second slot; a connector coupling said first strip with said second strip at their upper portion, and wherein said coupling of said first strip with said second strip by said connector provides a sliding of said slidable strip between said first strip and said second strip; a spring coupling said first strip and said second strip at their lower portion, and wherein the ends of said spring are appropriately inserted into a first opening of said first strip and into a second opening of said second strip, and appropriately attached to said first strip and to said second strip.