JPH0188932U

JPH0188932U -

Info

Publication number: JPH0188932U
Application number: JP18572987U
Authority: JP
Priority date: 1987-12-04
Filing date: 1987-12-04
Publication date: 1989-06-12

Description

[Brief explanation of the drawing]

第１図〜第１４図はこの考案の一実施例を示し
たもので、各図は次のものを表している。第１図
は絞り装置の正面図、第２図は絞り装置の底面図
、第３図は第１図のＡ―Ａ断面図、第４図は押さ
え板を外した状態を示す図、第５図は第３図のＢ
―Ｂ断面図、第６図は絞り装置の背面図、第７図
は押さえ板の正面図、第８図は地板の正面図、第
９図は第８図のＣ―Ｃ断面図、第１０図は止めリ
ングの断面図、第１１図は駆動リングの正面図、
第１２図は第１１図のＤ―Ｄ断面図、第１３図は
ヨークの正面図、第１４図は配線基板を示す図で
ある。第１５図及び第１６図は従来技術を説明す
るための図である。１……地板、３……絞り羽根、５……押さえ板
、７……駆動リング、９……ボール、１１……保
持リング、１３……スペーサ、１５……磁石、１
７……ヨーク、１９Ａ〜１９Ｆ……コイル、２１
……配線基板。 1 to 14 show one embodiment of this invention, and each figure represents the following. Fig. 1 is a front view of the squeezing device, Fig. 2 is a bottom view of the squeezing device, Fig. 3 is a sectional view taken along line A-A in Fig. 1, Fig. 4 is a diagram showing the state with the presser plate removed, Fig. 5 The figure is B in Figure 3.
-B sectional view, Figure 6 is a rear view of the throttle device, Figure 7 is a front view of the holding plate, Figure 8 is a front view of the main plate, Figure 9 is a CC sectional view of Figure 8, and Figure 10 is The figure is a cross-sectional view of the retaining ring, and Figure 11 is a front view of the drive ring.
12 is a sectional view taken along the line DD in FIG. 11, FIG. 13 is a front view of the yoke, and FIG. 14 is a diagram showing the wiring board. FIGS. 15 and 16 are diagrams for explaining the prior art. 1... Main plate, 3... Aperture blade, 5... Holder plate, 7... Drive ring, 9... Ball, 11... Retaining ring, 13... Spacer, 15... Magnet, 1
7...Yoke, 19A-19F...Coil, 21
...Wiring board.

Claims

[Scope of utility model registration request]

A camera opening/closing device that opens and closes the light receiving aperture by driving a blade arranged to cover the light receiving aperture, the first support member having the light receiving aperture and having an end face coupled to the blade; a second support member disposed on the outer periphery of the first support member and whose end face is coupled to the blade; and a second support member interposed between the outer peripheral surface of the first support member and the inner peripheral surface of the second support member. a smooth member rotatably supporting the second support member with respect to the first support member; a magnet attached to the outer periphery of the second support member; and a magnet disposed on the outer periphery of the magnet. A camera opening/closing device characterized by comprising a coil that provides a driving force to the camera.