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LENS BARREL

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LENSBARREL
申请(专利号：JP19950190710
专利号：JPH0943472A主分类号：G02B7/02申请权利人：NIKONCORP公开国代码：JP优先权国家：JP
摘要：
PROBLEMTOBESOLVED:Tomakeitpossibletolessenthereflectionofpartofprojectinglightwithasimplestructurebyformingthemetallicplateofalensbarrelinsuchamannerthatthismetallicplatehasplurallightshieldingsurfacesformeddiagonallyorperpendicularlywithortoanopticalpathinatleastpartoftheinsideflankfacingtheopticalpath.;SOLUTION:Thislensbarrelcontainsthemetallicplate7.Themetallicplate7isprovidedwithasupportingpart9.Thissupportingpart9isfixedbymeansofscrews10toastationarybarrel1.Theplurallight
shieldingsurfaces7cformeddiagonallywiththeopticalpath6areformedontheinsideflankoftheflatpartofthemetallicplate7.Theselightshieldingsurfacesareformedbycuttingandbendingthe
metallicplate7.Thecuttingandbendingareexecutedasapre-stageforbendingandsinceallofthesestagesare
pressing,theworkingstagesaremadesimpler.Thelightshieldingsurfacesofthemetallicplate7reflectthe
unnecessaryprojectinglighttothesideoppositefromafilmand,therefore,the
申请日：1995-07-26公开公告日：1997-02-14
分类号：G02B7/02发明设计人：TAKEZAWA
KAZUMITSU申请国代码：JP
优先权：19950726JP
19071095
摘要附图：

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