摘要 |
<p>The leg has an aluminum profile, a clip, a stand, a magnet, a screw, and an immovable sphere fixed on a top part of the leg. A movable sphere is maintained on the immovable sphere by a wing bolt. A vertical plate is fixed on a top part of the movable sphere for receiving a non-rotating laser. (Incomplete specification, abstract based on available information published by the patent office).</p> |