JPS601107U

JPS601107U - lens barrel

Info

Publication number: JPS601107U
Application number: JP9304983U
Authority: JP
Inventors: 真田　範昭
Original assignee: キヤノン株式会社
Priority date: 1983-06-17
Filing date: 1983-06-17
Publication date: 1985-01-07

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図はレンズ鏡筒（直進式ズームレンズ）の距離操作
環を伸長し要部を破断した平面図、第２図は距離操作環
を縮小し、カバーリングの一部を破断した平面図、第３
図は第１図のＡ−Ａ線の矢印に沿って断面した横断面図
、第４図はカバーリングの縦断面図。１・・・・・・マウント部、２・・・・・・保持部、３
・・・・・・絞り調定環、４・・・・・・固定部、５・
・・・・・距離調定環、５ａ・・・・・・段部、５ｂ・
・・・・・穴、６・・・・・・カバーリング、６ａ・・
・・・・制動用突起、６ｂ・・・・・・植毛、６Ｃ・・
・・・・ローレット、７・・・・・・レンズ。Fig. 1 is a plan view of the lens barrel (linear zoom lens) with the distance control ring extended and the main parts cut away; Fig. 2 is a plan view of the distance control ring reduced and a part of the cover ring cut away; Third
The figure is a cross-sectional view taken along the arrow line A-A in FIG. 1, and FIG. 4 is a longitudinal cross-sectional view of the cover ring. 1...Mount part, 2...Holding part, 3
...Aperture adjustment ring, 4...Fixed part, 5.
...Distance adjustment ring, 5a...Stepped portion, 5b.
...hole, 6...covering, 6a...
... Braking protrusion, 6b... Flocking, 6C...
...Knurling, 7...Lens.

Claims

[Scope of utility model registration request]

A plurality of protrusions are formed protrudingly on the inner circumferential surface of the cover ring that covers the operating ring of the lens barrel, and the projections are arranged so that the hairs attached to the tips of the protrusions come into contact with the outer circumferential surface of the fixed barrel of the lens barrel. A lens barrel characterized in that a through hole is bored in an operating ring to prevent the operating ring from accidentally rotating or sliding.