JPS5987009U

JPS5987009U - lens barrel

Info

Publication number: JPS5987009U
Application number: JP18295682U
Authority: JP
Inventors: 豊藤原; 章佐藤; 鎌田　滋
Original assignee: キヤノン株式会社
Priority date: 1982-12-02
Filing date: 1982-12-02
Publication date: 1984-06-12
Also published as: JPS6235047Y2

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・第２図は従来のレンズ鏡筒の例を示し、第１図
は軸方向要部断面図。第２図は第１図の要一部展開図。第３図乃至第６図は本考案の一実施例を示し、第３図は
軸方向要部断面図。第４図は第３図の要部展開図。第５
図Ａ、　Ｂは固定筒・目盛リング・距離リング・回転停
止部材の位置関係を示す図。第６図は第３図Ａ１−Ａ２
方向断面図。１．４０・・・・・・固定筒、６・・・・・・カム筒、
１０・・・・・・ズーム操作部材、２０．４２・・・・
・・目盛リング、２２・・・・・・距離リング、２４．
４４・・・・・・回転停止部材。FIGS. 1 and 2 show an example of a conventional lens barrel, and FIG. 1 is a sectional view of a main part in the axial direction. Figure 2 is an exploded view of the main part of Figure 1. 3 to 6 show an embodiment of the present invention, and FIG. 3 is a sectional view of a main part in the axial direction. Figure 4 is a developed view of the main parts of Figure 3. Fifth
Figures A and B are diagrams showing the positional relationship of the fixed cylinder, scale ring, distance ring, and rotation stop member. Figure 6 is Figure 3 A1-A2
Directional cross-sectional view. 1.40...Fixed barrel, 6...Cam barrel,
10...Zoom operation member, 20.42...
...Scale ring, 22...Distance ring, 24.
44...Rotation stop member.

Claims

[Scope of Claim for Utility Model Registration] A lens having a scale ring arranged between a fixed barrel and a distance ring, and a rotation stopping member that restricts rotation of the distance ring by rotating it at a predetermined rotation angle around the optical axis. In the lens barrel, -1 the fixed barrel and the scale ring are engaged with a key-shaped protrusion and a keyway to restrict rotation and movement of the scale ring around the optical axis, and the rotation stop member is screwed onto the scale ring; A lens barrel, characterized in that the rotation stopping member is fixed by an engagement mechanism that restricts movement in a direction along the optical axis by the fixed barrel.