JPS60172116U

JPS60172116U - lens barrel

Info

Publication number: JPS60172116U
Application number: JP6050984U
Authority: JP
Inventors: 登守　靖征
Original assignee: 旭光学工業株式会社
Priority date: 1984-04-24
Filing date: 1984-04-24
Publication date: 1985-11-14
Also published as: JPH0219769Y2

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 drawings]

第１図は本考案の第一の実施例を示す、上下で作動状態
を異ならせて描いた縦断面図、第２図は同マウント固定
筒および操作環に形成する名前の形状例を示す展開図、
第３図は本考案の第二の実施例を示ず第１図と同様の縦
断面図、第４図は第２図と同様の展開図である。１１・・・前群レンズ筒、１２・・・後群レンズ筒、１
３・・・中間筒、１４・・・案内ピン、１５・・・ガイ
ド孔、１６・・・マウント固定筒、１６ａ・・・前後案
内溝、１６ｂ・・・補正溝、１７・・・操作環、１７ａ
・・・フォーカシング溝、１８，１９，２０，２１・・
・連動ピン、Ｓｌ、Ｓ２・・・ねじ、Ｌｌ・・・前群レ
ンズ、Ｌ２・・・後群レンズ。Fig. 1 is a vertical sectional view showing the first embodiment of the present invention, with the upper and lower sections shown in different operating states, and Fig. 2 is an expanded view showing an example of the shape of the name formed on the mount fixing cylinder and operating ring. figure,
FIG. 3 shows a second embodiment of the present invention, but is a longitudinal sectional view similar to FIG. 1, and FIG. 4 is a developed view similar to FIG. 2. 11... Front group lens barrel, 12... Rear group lens barrel, 1
3... Intermediate tube, 14... Guide pin, 15... Guide hole, 16... Mount fixing tube, 16a... Front and rear guide groove, 16b... Correction groove, 17... Operation ring , 17a
... Focusing groove, 18, 19, 20, 21...
・Interlocking pin, Sl, S2...screw, Ll...front group lens, L2...rear group lens.

Claims

[Scope of utility model registration request]

Between the front group lens barrel that holds the front group lens and the rear group lens tube that holds the rear group lens, an intermediate tube that is screwed to both lens tubes is interposed, and the relative rotation of both lens tubes is controlled. One of the front group lens barrel and rear group lens barrel is slidably fitted into the mount fixing barrel, and the interlocking pin implanted in the sliding lens barrel is attached to the front and rear lens barrels formed in the mount fixing barrel. The interlocking pin, which is fitted into the guide groove and the focusing groove formed in the operation ring rotatably fitted into the mount fixed cylinder, and which is implanted in the intermediate cylinder,
It is inserted into the correction groove formed on the fixed mount cylinder, and by rotating the operating ring, the circumferential lens cylinder is moved back and forth by clearing the front and rear guide grooves and the focusing groove, and the intermediate cylinder is rotated through the correction groove. 1. A lens barrel characterized in that the lens barrel is configured to move one lens barrel other than the sliding lens barrel back and forth according to a screw of the intermediate barrel.