Patent ID: 6874246

Claim:
A measuring device comprising: a measurement tube having a longitudinally extending exterior with an associated longitudinal length and graduated dimensional indicia disposed longitudinally along an exterior surface; and a pair of tubular sections in slidable engagement relation with the measurement tube and positionable at selected locations along the length of the tube, with a respective portion of each tubular section capable of being placed substantially adjacent to a respective point of measurement on the measurement tube; an arm mounted to each said tubular sections, each said arm being spaced radially from the respective tubular section and extending generally perpendicular to said measurement tube, such that each said tubular section is positionable at selected locations along the measurement tube, a first of said arms being on a first side of longitudinal axis and a second of said arms being on the opposite side of said longitudinal axis, each said arm having a free end portion having a measurement surface for contact with a respective selected measurement location; wherein the distance between the selected measurement locations substantially corresponds to the distance between the pair of points tubular sections and the distance is indicated on the graduated measurement tube.