Measuring attachment

摘要

A measuring attachment has a rotary member rotatable under the action of frictional contact with a movable tape and the like, a transforming element which transform the rotation of the rotary member into signals, a computer for converting the signals into distance measurements data, a display for displaying the data, and a housing with receiving means for receiving the tape, with adjusting means for bringing the rotary member in the frictional contact with the tape.