JPS63122321U

JPS63122321U -

Info

Publication number: JPS63122321U
Application number: JP1420587U
Authority: JP
Priority date: 1987-02-04
Filing date: 1987-02-04
Publication date: 1988-08-09

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の視野可変遠近両用眼鏡の使用
態様を示す前方よりの斜視図、第２図は本案装置
の拡大分解図、イは案内・摺動機構、ロはスプリ
ングによる押圧機構を示す。第３図は従来技術に
よるフオーカルフレーム方式の視野可変遠近両用
眼鏡で、イはその後方よりの使用態様図、ロ，ハ
は装置の分解図である。第１図及び第２図において、１は眼鏡枠、２は
眼鏡のつる、３は舌片取付用眼鏡枠分岐枝、４は
舌片の揺動可能な取付部、５は舌片（パツト）、
６は案内円筒管、７は切欠溝、８は７を対向位置
に有する案内円筒管５を両端に並行に固定した枠
体、９は８の舌片５への固定ピン、１０は摺動枠
体、１１はスプリングで、１２は近用レンズであ
る。 Fig. 1 is a perspective view from the front showing how the variable field of view bifocal glasses of the present invention are used, Fig. 2 is an enlarged exploded view of the device of the present invention, A shows the guide/sliding mechanism, and B shows the pressing mechanism using a spring. . FIG. 3 shows a prior art focal frame type variable field of view bifocal glasses, in which A is a view of how the glasses are used from the rear, and B and C are exploded views of the device. In Figures 1 and 2, 1 is an eyeglass frame, 2 is a temple of the eyeglass, 3 is a branch of the eyeglass frame for attaching a tongue piece, 4 is a swingable attachment part for the tongue piece, and 5 is a tongue piece (pattu). ,
6 is a guide cylindrical tube, 7 is a notched groove, 8 is a frame body in which the guide cylindrical tube 5 having 7 in an opposing position is fixed in parallel to both ends, 9 is a fixing pin to the tongue piece 5 of 8, 10 is a sliding frame 11 is a spring, and 12 is a near vision lens.

Claims

【実用新案登録請求の範囲】 (1) 眼鏡枠の分岐枝端部に揺動可能に装着され
る舌片に、案内・摺動機構と、スプリングによる
押圧機構とを組合せ、固定して成る視野可変遠近
両用眼鏡。 (2) 前記案内・摺動機構が摺動桿を案内するた
めの２本の並行な案内管と、２本の並行な摺動桿
を備える矩形枠体とを備え、前記押圧機構が固定
ピンに対し弾性による押圧を与えるよう矩形枠体
に両端を固定されたスプリングなる実用新案登録
請求の範囲第１項に記載の眼鏡。 (3) 前記案内管の夫々の内側端に摺動桿の外径
よりやや小なる幅の切欠溝を有し、該溝より摺動
桿を嵌入させるようにした実用新案登録請求の範
囲第１項に記載の眼鏡。[Claims for Utility Model Registration] (1) A field of vision formed by combining and fixing a guiding/sliding mechanism and a spring-based pressing mechanism to a tongue piece that is swingably attached to the branch end of an eyeglass frame. Variable bifocal glasses. (2) The guide/sliding mechanism includes two parallel guide tubes for guiding the sliding rods and a rectangular frame body having two parallel sliding rods, and the pressing mechanism includes a fixing pin. The glasses according to claim 1, wherein the glasses are springs having both ends fixed to the rectangular frame so as to apply elastic pressure to the glasses. (3) Utility model registration claim 1, in which each of the guide tubes has a notched groove having a width slightly smaller than the outer diameter of the sliding rod at the inner end thereof, and the sliding rod is fitted into the groove. Glasses as described in section.