Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Connectors
Patent
1995-08-25
1997-05-06
Mai, Huy
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Connectors
411324, 411335, 411427, 411907, G02C 500, F16B 39284, F16B 3902, F16B 3700
Patent
active
056276109
ABSTRACT:
A self-locking nut for eye glasses excellent in assembling efficiency into which a male screw is fitted to secure a material between the head of the male screw and the self-locking nut itself, comprising a first member having a female thread portion formed with a female thread in which the male screw 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 which is easily carried and attached with a screw bit; and a nut supplier for efficiently setting nuts to intended positions, comprising radially branched arms for holding self-locking nuts on the tips thereof.
REFERENCES:
patent: 531245 (1894-12-01), Anderson
patent: 2071045 (1937-02-01), Searles
patent: 2175355 (1939-10-01), Lowres
patent: 3030997 (1962-04-01), Collins
patent: 4887950 (1989-12-01), Sakayori et al.
Marui Koreto
Ohara Masahiro
Ohtsuki Ryuichi
Mai Huy
Nitto Seiko Co., Ltd.
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