CLOSE-UP VISION ADDITION TO BE APPLIES TO DISTANT VISION GLASSES WITH A DETACHABLE BASE AND COLLAPSIBLE ARMS

摘要

The additional accessory for close vision with detachable base and folding arms consist of : a plastic base with the rear arms (5) made from hard plastic and from the metallic base with the frontal arms (6) made from hard but pliable (elastic) metal. On the front support bracket (6) in the middle of its top a spring is placed (6.2) and the bridge with the folding arms (3). At the end of the latter there are two metallic annuli (3.3) and (3.4) inside which the close vision lenses are fastened. The assembly of the three parts of the accessory, part (5), part (6) and the bridge with the arms (4), by mans of the spring (6.2) results in a stacker-like accessory which can be fastened on the frame of the long distance vision lenses. The spring has a twofold function : I) To connect the parts (5), (6), and (4) with each other and to allow the motion of the bridge with the arms (4) on the upper position (7.2) and the lower position (7.1). II) To be used as a means of attachment (2) for the placement of the entire close vision accessory on the frame of distant vision of the user.