JPS594504U

JPS594504U - Lens fixing device for lens barrel

Info

Publication number: JPS594504U
Application number: JP9859782U
Authority: JP
Inventors: 茂雄林
Original assignee: オリンパス光学工業株式会社
Priority date: 1982-06-30
Filing date: 1982-06-30
Publication date: 1984-01-12

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、従来のレンズ鏡筒のレンズ固定装置の一例を
示す上半部断面図、第２図は、上記第１図中に示したレ
ンズ鏡枠の要部背面図、第３図は、上記第１図中に示し
たレンズ押え環の断面図、第４図は、従来のレンズ鏡筒
のレンズ固定装置の他の例を示す上半部断面図、第５図
は、本考案の一実施例を示すレンズ鏡筒のレンズ固定装
置の上半部断面図、第６図は、上記第５図中に示したレ
ンズ鏡枠の要部背面図、第７図は、上記第５図中に示し
たレンズ押え環の背面図、第８図は、上記第５図に示し
たレンズ固定装置におけるバヨネット爪の結合状態を示
すレンズ押え環の上面図である。３．４．５・・・レンズ、１１・・・レンズ鏡枠、１１
ａ・・・結合用バヨネット爪、ｌｌｂ・・・掛止用爪　
　　・部、１２・・・レンズ押え環、１２ａ・・・被結
合用バヨネット爪、１２ｂ・・・被掛止用の鋸歯状部。FIG. 1 is a sectional view of the upper half of an example of a conventional lens fixing device for a lens barrel, FIG. 2 is a rear view of the main part of the lens barrel shown in FIG. 1, and FIG. , FIG. 4 is a cross-sectional view of the upper half of another example of the conventional lens fixing device for a lens barrel, and FIG. 5 is a cross-sectional view of the lens holding ring shown in FIG. FIG. 6 is a cross-sectional view of the upper half of a lens fixing device for a lens barrel showing one embodiment. FIG. 6 is a rear view of the main part of the lens barrel shown in FIG. 5, and FIG. FIG. 8 is a top view of the lens holding ring showing the state in which the bayonet claws are connected in the lens fixing device shown in FIG. 5. 3.4.5... Lens, 11... Lens mirror frame, 11
a...Bayonet claw for connection, llb...Latching claw
・Part 12... Lens holding ring, 12a... Bayonet claw for being coupled, 12b... Serrated part for being engaged.

Claims

[Scope of Claim for Utility Model Registration] A coupling bayonet claw provided on the lens frame, a latching claw protruding from the inner surface of the coupling bayonet claw, and the above coupling bayonet claw. A surface perpendicular to the original axis of the lens holding ring is attached to the engaging surface of the bayonet claw to be coupled, which is provided on the lens holding ring so as to be connected, and the above-mentioned latching claw of the bayonet claw to be connected. 1. A lens fixing device for a lens barrel, comprising: a serrated portion for being latched, which is formed to be slightly inclined with respect to the lens;