JPS59158107U

JPS59158107U - Electric waving device for variable magnification lens system

Info

Publication number: JPS59158107U
Application number: JP5140983U
Authority: JP
Inventors: 元市川
Original assignee: 株式会社ニコン
Priority date: 1983-04-08
Filing date: 1983-04-08
Publication date: 1984-10-23

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例の電動挿脱装置の断面図、
第２図は第１図のＡ−Ａ矢視図（一部Ｂ−Ｂ矢視をも含
む）、第３図はＤＣモータ駆動用の回路図、第４図は第
６図のローラが９０度回転し　　　。たときの図、第５図は第６図の口ｉうが１８０度回転し
たときの図、第６図は本考案の第２実施例の第２図同様
の図、第７図は第３実施例で第３図の回路図の変形例、
第８図はカム溝の変形例を示す。〔主要部分の符号の説明〕、１０・・・アーム、１１・
・田−ラ、１２・・・カム部材、１３．・１３０・・・
カム溝、１・！・レンズ鏡筒、３・・田−ラ保持部材、
３ａ、　３ｂ・・印−ラ保持部材の切欠き、３０ａ。３０ｂ・・・ストッパー。 □ ノＩｌｌ、５団FIG. 1 is a sectional view of the electric insertion/removal device according to the first embodiment of the present invention;
Fig. 2 is a view from the A-A arrow in Fig. 1 (including a part from the B-B arrow), Fig. 3 is a circuit diagram for driving the DC motor, and Fig. 4 shows the roller 90 in Fig. 6. Rotate degrees. FIG. 5 is a view when the mouthpiece in FIG. 6 is rotated 180 degrees, FIG. 6 is a view similar to FIG. 2 of the second embodiment of the present invention, and FIG. In the example, a modification of the circuit diagram in FIG. 3,
FIG. 8 shows a modification of the cam groove. [Explanation of symbols of main parts], 10...Arm, 11.
・Tara, 12...Cam member, 13.・130...
Cam groove, 1!・Lens barrel, 3...Tara holding member,
3a, 3b... cutout of mark-ra holding member, 30a. 30b...stopper. □ No Ill, Group 5

Claims

[Scope of utility model registration request]

an electric means; a rotating member that rotates in one direction along a predetermined circular orbit by the electric means; a cam member having a cam groove that engages with the rotating member; and a cam member inserted into the optical path in conjunction with the cam member. a variable magnification lens system that reciprocates as if the variable magnification lens system is removed; and a holding member for holding the variable magnification lens system at a substantially dead center position of the reciprocating movement; It has two straight cam grooves with a predetermined amount for double movement.
From a position where the variable power lens system is held by a holding member, the rotating member can rotate a predetermined amount without moving the variable power lens system to move from one of the two linear cam grooves to the other; An electric insertion/removal device for a variable magnification lens system, characterized in that the two linear cam grooves are connected.