JPH0248929U - - Google Patents
Info
- Publication number
- JPH0248929U JPH0248929U JP12819788U JP12819788U JPH0248929U JP H0248929 U JPH0248929 U JP H0248929U JP 12819788 U JP12819788 U JP 12819788U JP 12819788 U JP12819788 U JP 12819788U JP H0248929 U JPH0248929 U JP H0248929U
- Authority
- JP
- Japan
- Prior art keywords
- ribs
- opening
- blades
- closing device
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005484 gravity Effects 0.000 claims 1
Landscapes
- Diaphragms For Cameras (AREA)
- Shutters For Cameras (AREA)
Description
第１図Ａは本考案の一実施例に係る絞り装置の
構成を示す平面図、同図ＢはＡにおけるＢ―Ｂ断
面図、同図Ｃは作用説明図である。第２図は第１
図に示した実施例の分解斜視図である。第３図は
実施例の要部を示す平面図である。第４図は第３
図のＡ―Ａ断面図である。第５図は実施例の作用
を説明するための平面図である。第６図は実施例
の要部を示す平面図である。第７図は従来技術を
示す断面図である。第８図は従来技術を示す断面
図である。
３０…地板、３６…駆動装置、３８，４０…絞
り羽根、４２…押さえ板、４４，１０６…開口、
８２，８４，８６，９０，９４，１２２，１２６
，１２８…低いリブ、８８，９２，９６，１１８
，１２０，１２４，１３０…高いリブ。
FIG. 1A is a plan view showing the configuration of an aperture device according to an embodiment of the present invention, FIG. 1B is a sectional view taken along line BB in A, and FIG. Figure 2 is the first
FIG. 3 is an exploded perspective view of the embodiment shown in the figures. FIG. 3 is a plan view showing the main parts of the embodiment. Figure 4 is the third
It is an AA sectional view of the figure. FIG. 5 is a plan view for explaining the operation of the embodiment. FIG. 6 is a plan view showing the main parts of the embodiment. FIG. 7 is a sectional view showing the prior art. FIG. 8 is a sectional view showing the prior art. 30... Base plate, 36... Drive device, 38, 40... Aperture blade, 42... Holder plate, 44, 106... Opening,
82, 84, 86, 90, 94, 122, 126
, 128...low rib, 88, 92, 96, 118
, 120, 124, 130...high ribs.
Claims (1)
向する２枚のガイド板の間に配置し、これらの羽
根を各々スライドさせることによつて前記開口を
開閉するカメラの羽根開閉装置において、 前記２枚のガイド板の内面に、それぞれに近い
方の羽根を支持する低いリブと、前記一方のガイ
ド板に遠い方の羽根を支持する高いリブとを設け
ると共に、一方のガイド板の高いリブの高さと他
方のガイド板の高いリブの高さの和が両ガイド板
の間隔以上になるように構成したことを特徴とす
るカメラの羽根開閉装置。 (2) 前記リブは、前記各羽根の両面を少なくと
も３カ所で支持し、これらの各点で囲まれた範囲
内に前記羽根の重心がくるように配置されている
ことを特徴とする実用新案登録請求の範囲第１項
記載のカメラの羽根開閉装置。[Claims for Utility Model Registration] (1) Two superimposed blades are arranged between two opposing guide plates each having an opening, and the opening is opened and closed by sliding each of these blades. In the camera blade opening/closing device, the inner surfaces of the two guide plates are provided with low ribs that support the blades closer to each, and the one guide plate is provided with high ribs that support the blades farther from each other, A camera blade opening/closing device characterized in that the sum of the height of the tall ribs on one guide plate and the height of the tall ribs on the other guide plate is greater than the distance between the two guide plates. (2) A utility model characterized in that the ribs support both sides of each blade at at least three points, and are arranged so that the center of gravity of the blade is within a range surrounded by these points. A camera blade opening/closing device according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12819788U JPH0248929U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12819788U JPH0248929U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248929U true JPH0248929U (en) | 1990-04-05 |
Family
ID=31381307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12819788U Pending JPH0248929U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248929U (en) |
-
1988
- 1988-09-30 JP JP12819788U patent/JPH0248929U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0248929U (en) | ||
| JPH0287223U (en) | ||
| JPH0181636U (en) | ||
| JPH0287222U (en) | ||
| JPH0248930U (en) | ||
| JPH0227125U (en) | ||
| JPH0181637U (en) | ||
| JPS63115125U (en) | ||
| JPS61199419U (en) | ||
| JPH036873U (en) | ||
| JPH02140527U (en) | ||
| JPH0175221U (en) | ||
| JPS60163268U (en) | Container opening/closing lid | |
| JPS5981067U (en) | Housing with door | |
| JPH0175227U (en) | ||
| JPH02144756U (en) | ||
| JPS59117479U (en) | electric razor | |
| JPS6078016U (en) | iris iris device | |
| JPS59108572U (en) | Washable electric razor | |
| JPS5933143U (en) | Tape recorder operating device | |
| JPH0334097U (en) | ||
| JPH02130717U (en) | ||
| JPH0273147U (en) | ||
| JPH0332497U (en) | ||
| JPS6057633U (en) | Folded roof ventilation |