Patent ID: 7047656
Filing Date: 2006-05-23
Classification: A61C,G01B

Abstract:
1. A device for measuring the circumference of a tooth, comprising: a body comprising a tip section; a reel rotatively coupled to said body; a measuring strap comprising a first portion anchored to and rotatable with said reel, a second portion anchored to said body, and a loop disposed beyond said tip section, wherein said measuring strap may be wound and unwound about at least a portion of a perimeter of said reel to adjust a size of said loop; a gage associated with said body; an elongated lever having a first end interconnected to said reel and having a second end extending beyond said perimeter of said reel, said lever being operative to rotate said reel in conjunction with said elongated lever moving over a surface of said gage, wherein a force applied to said lever moves said lever and applies a force to said measuring strap; and a calibrator comprising a first section interconnected with said second portion of said measuring strap and movable relative to said body so as to change a position of said second portion of said measuring strap relative to said body.