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    • 72. 发明专利
    • Optical option mounting ring
    • 光学选项安装环
    • JP2007298671A
    • 2007-11-15
    • JP2006125681
    • 2006-04-28
    • Fujinon Corpフジノン株式会社
    • OUCHI SHUNICHIRO
    • G03B17/14G02B7/02
    • G02B15/10G02B7/14G03B17/565G03B17/566
    • PROBLEM TO BE SOLVED: To provide an optical option mounting ring, which has a nearly cylindrical outline almost same as a lens barrel and has no projections. SOLUTION: The optical option mounting ring includes: a ring main body into which a lens barrel is inserted; a fastening ring attached to the peripheral face of the ring main body so as to be rotatable; an elastic member disposed between the ring main body and fastening ring; and a contact part disposed on the fastening ring, brought into contact with the elastic member according to the rotation position of the fastening ring, and is made to elastically deform the elastic member, thereby projecting at least part of the elastic member inward from the internal surface of the ring main body and positioning this part into a groove formed on the lens barrel. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种光学选项安装环,其具有与镜筒几乎相同的几乎圆柱形的轮廓,并且没有突起。 解决方案:光学选项安装环包括:插入镜筒的环形主体; 紧固环,其安装在所述环形主体的外周面上以便可旋转; 设置在环主体和紧固环之间的弹性构件; 以及设置在所述紧固环上的接触部,根据所述紧固环的旋转位置与所述弹性构件接触,并且使所述弹性构件弹性变形,从而使所述弹性构件的至少一部分从所述内部 环形主体的表面,并将该部分定位在形成在镜筒上的凹槽中。 版权所有(C)2008,JPO&INPIT
    • 73. 发明专利
    • Optical option fitting ring
    • 光学选件配件环
    • JP2007272093A
    • 2007-10-18
    • JP2006099995
    • 2006-03-31
    • Fujinon Corpフジノン株式会社
    • YAMAMOTO SHIGERU
    • G02B7/02G03B17/56
    • G02B7/14G02B15/02G03B17/565G03B17/566
    • PROBLEM TO BE SOLVED: To provide an optical option fitting ring that can be prevented from falling off even unitl a fixing screw is tightened. SOLUTION: The optical option fitting ring to be fixed on a lens barrel by approaching one end part to the other part when the fixing screw is tightened and reducing the diameter of a ring body is provided with: a rotor having an abutting surface which is projected to the inside from the inner peripheral surface of the ring body and on which the tip of the lens barrel is abutted and a circular arc part continued to the upper end of the abutting surface, and in the case of inserting the lens barrel into the ring body and moved the lens barrel up to a prescribed position, rotated by abutting the tip of the lens barrel on the abutting surface and relatively moving the tip of the lens barrel on the abutting surface so that the abutting surface and the circular arc part are located on the outside of the inner peripheral surface of the ring body; an elastic member to applying energization force to the rotor so that the rotor is rotated in the reverse direction of the rotation direction; and a stopper for regulating rotation due to the energization force of the elastic member by abutting on at least either one of the one-end and the other end. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种光学选项装配环,其可以防止甚至单元脱落,固定螺钉被拧紧。 解决方案:当固定螺丝紧固并减小环形体的直径时,通过将一端部接近另一部分而固定在镜筒上的光学选项安装环设置有:具有邻接表面的转子 其从环状体的内周面突出到内侧,并且镜筒的顶端抵接在该内周面上,并且圆形部分延续到抵接面的上端,并且在将镜筒插入的情况下 进入环体并将透镜筒移动到规定位置,通过将镜筒的末端抵靠在邻接表面上并使透镜镜筒的末端相对移动到邻接表面上,使得邻接表面和圆弧 部分位于环体的内周面的外侧; 向所述转子施加通电力使得所述转子沿所述旋转方向的相反方向旋转的弹性部件; 以及用于通过抵靠所述一端和另一端中的至少一个来调节由于所述弹性构件的通电力而引起的旋转的止动件。 版权所有(C)2008,JPO&INPIT