JPS60172115U

JPS60172115U - lens barrel

Info

Publication number: JPS60172115U
Application number: JP6050884U
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: JPH043289Y2

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、上下そ作動状態
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す第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・・・回動レンズ筒、１２・・・摺動レンズ筒、
１３・・・マウント固定筒、１３ａ・・・前後案内溝、
１３ｂ・・・補正溝、１４・・・操作環、１４ａ・・・
フォーカシング溝、１５，１６，１７，１Ｂ・・・連動
ピン、Ｓ・・・ねじ、Ｌｌ・・・前群レンズ、Ｌ２・・
・後群レンズ。Fig. 1 is a longitudinal sectional view showing the first embodiment of the present invention, with the upper and lower sides in different operating states, and Fig. 2 is an exploded view showing an example of the shape of the name formed on the mount fixing cylinder and operating ring. figure,
FIG. 3 is a longitudinal sectional view similar to FIG. 1 showing a second embodiment of the present invention, and FIG. 4 is a developed view similar to FIG. 2. -11...Rotating lens barrel, 12...Sliding lens barrel,
13... Mount fixing tube, 13a... Front and rear guide grooves,
13b... Correction groove, 14... Operation ring, 14a...
Focusing groove, 15, 16, 17, 1B... interlocking pin, S... screw, Ll... front group lens, L2...
・Rear group lens.

Claims

[Scope of utility model registration request]

A sliding lens barrel in which one of the front group lens barrel that holds the front group lens and the rear group lens barrel that holds the rear group lens is slidably fitted into a mount fixed tube, and the other is slidably fitted to this sliding tube. A rotary lens barrel is screwed to the lens barrel and rotatable, an operating ring is rotatably fitted to the fixed mount barrel, and an interlocking pin implanted in the sliding lens barrel is formed into a front-rear guide formed in the fixed mount barrel. In addition to fitting into the focusing groove formed in the groove and the operating ring, the interlocking pin implanted in the rotating lens barrel is inserted into the correction groove formed in the mount fixed barrel, and by rotating the operating ring, the front and back guide is performed. The sliding lens barrel is moved back and forth through the groove and the focusing groove, and the rotating lens barrel is rotated relative to the sliding lens barrel through the correction groove, while being moved back and forth according to the screw.・ Lens barrel.