JPH0185812U

JPH0185812U -

Info

Publication number: JPH0185812U
Application number: JP18198087U
Authority: JP
Priority date: 1987-11-30
Filing date: 1987-11-30
Publication date: 1989-06-07
Anticipated expiration: 2002-11-30
Also published as: JP2523438Y2

Description

[Brief explanation of the drawing]

第１図は、本考案によるレンズ鏡筒の断面図で
あつて、第２図は第１図のレンズ鏡筒における部
分平面図、第３図及び第４図は、第１図のレンズ
鏡筒における部分断面図で、第５図及び第６図は
、第３図及び第４図におけるレンズ鏡筒の平面図
、第７図は、第６図におけるレンズ鏡筒の正面断
面図で、第８図は組立時を部分断面図、第９図は
従来例の組立時を表す部分断面図、第１０図はレ
ンズ鏡筒の正面図である。主要部分の符号の説明、１……固定リング、１
０１……外筒、１０２……マウント部、１０３…
…小ねじ、２……ズーム操作リング、３……焦点
調節リング、４……駆動伝達リング、５……カム
リング、６……１群摺動リング、７……１群保持
リング、８……ピン、９……２群摺動リング、１
０……４群保持リング、１１……ピン、１２……
リング、１３……ブラシリング、１４……接点ブ
ラシ、１５……エンコーダブラシ、１６……マク
ロブラシ、１７……ブラシ保持板、１８……小ネ
ジ、１９……フレキシブルプリント板。 1 is a sectional view of the lens barrel according to the present invention, FIG. 2 is a partial plan view of the lens barrel of FIG. 1, and FIGS. 3 and 4 are a sectional view of the lens barrel of FIG. 1. 5 and 6 are plan views of the lens barrel in FIGS. 3 and 4, and FIG. 7 is a front sectional view of the lens barrel in FIG. 9 is a partial sectional view showing a conventional example when assembled, and FIG. 10 is a front view of the lens barrel. Explanation of symbols of main parts, 1... Fixed ring, 1
01...Outer cylinder, 102...Mount part, 103...
...Machine screw, 2...Zoom operation ring, 3...Focus adjustment ring, 4...Drive transmission ring, 5...Cam ring, 6...1st group sliding ring, 7...1st group holding ring, 8... Pin, 9...2 group sliding ring, 1
0...4 group holding ring, 11...pin, 12...
Ring, 13... Brush ring, 14... Contact brush, 15... Encoder brush, 16... Macro brush, 17... Brush holding plate, 18... Machine screw, 19... Flexible printed board.

Claims

[Claims for Utility Model Registration] A substrate 19 fixedly installed in the lens barrel and having a pattern for generating information inside the lens barrel; and a first sliding brush 14 fixedly installed in the lens barrel.
and the first substrate 19 and the first sliding brush 1
4, and second sliding brushes 15 and 16 fixed to the brush holding member 17, and the second sliding brushes 15 and 16 are connected to the substrate. 1
9 and generates the information by sliding the first sliding brush 14 onto the brush holding member 17, The substrate 19 that the second sliding brushes 15 and 16 come into contact with during assembly
The end face of the first sliding brush 14 is formed into an inclined surface 19d, and the end face of the first sliding brush 14, which the brush holding plate 17 comes into contact with when the brush holding member 17 is installed, and the end face of the first sliding brush 14, which the brush holding plate 17 contacts when the brush holding member 17 is installed, By forming at least one of the end surfaces of the brush holding member 17, which the first sliding brush 14 comes into contact with, with an inclined surface 14c, 14d, 16b, when the brush holding member 17 is assembled, the above-mentioned Second
The sliding brushes 15, 16 are lifted along the inclined surface 19d, and the first sliding brush 14 is lifted along the inclined surfaces 14c, 14d, 16b, whereby the first sliding brush 14 is lifted along the inclined surface 14c, 14d, 16b. A signal generating device for a lens barrel, characterized in that the brush holding member 17 is incorporated into the lens barrel without damaging the brush 14 and the second sliding brushes 15, 16.