coupled with the mother for glasses, mutterspanner, and mutterabgabevorrichtung

摘要

A self-locking nut (A1) for eye glasses excellent in assembling efficiency into which a male screw (25) is fitted to secure a material between the head of the male screw (25) and the self-locking nut (A1) itself, comprising a first (1) member having a female thread portion formed with a female thread in which the male screw (25) is screwed and a pressing end face for pressing the material when the male screw is screwed in, a second member which is continuously formed on the other end face of the first member away form the material and which has a self-locking hole concentric with and connected to the threaded hole, and a third member continuously formed on the end face of the first member closer to the material and having a bushing portion which can be inserted into a hole in the material and which is formed with a through hole connected to the threaded hole of the first member; a moisture-proof nut comprising a sealing element having one end closed to bring the other end into contact with the material to waterproof the main body of the nut and a cushioning element which is provided inside the sealing element to cushion shock between the sealing element and the material; a ring-shaped nut tightener (201) which is easily carried and attached with a screw bit; and a nut supplier (E1) for efficiently setting nuts to intended positions, comprising radially branched arms for holding self-locking nuts on the tips thereof. IMAGE