Device for tracing on e.g. tubes, has graduated ring equipped with four graduated sliding clamps provided with locking screws, where sliding clamps place ring around tube, and are blocked with locking screws
摘要
<p>The device has a graduated ring (1) equipped with four graduated sliding clamps (2) provided with locking screws. The sliding clamps are adjustable along a desired angle, and are blocked with the locking screws. The sliding clamps place the ring around a tube. Threaded rods (4) are received in female threads at the rear of the clamps for screwing the threaded rods against the tube. The threaded rods are equipped with interchangeable tracing points (5) blocked by locking screws (6).</p>
