JPH021734U - - Google Patents
Info
- Publication number
- JPH021734U JPH021734U JP7998588U JP7998588U JPH021734U JP H021734 U JPH021734 U JP H021734U JP 7998588 U JP7998588 U JP 7998588U JP 7998588 U JP7998588 U JP 7998588U JP H021734 U JPH021734 U JP H021734U
- Authority
- JP
- Japan
- Prior art keywords
- shutter blade
- shutter
- source member
- power source
- initial charge
- 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.)
- Granted
Links
- 230000001105 regulatory effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- Shutters For Cameras (AREA)
Description
第１図は本考案の１実施例に係るフオーカルプ
レーンシヤツタの駆動機構のシヤツタチヤージ以
前の状態を示す正面図、第２図は第１図に示す機
構のシヤツタチヤージ完了状態を示す正面図、第
３図は第１図に示す機構のシヤツタレリーズ直前
の状態を示す正面図。第４図は第１図の拡大図、
第５図は第１図に示すシヤツタ機構の走行特性を
示す特性図、第６図は露出制御回路側で秒時調整
を行つた場合のシヤツタ機構の走行特性を示す特
性図、第７図は後幕の走行開始位置を調整するこ
とによつて秒時調整を行つた場合のシヤツタ機構
の走行特性を示す特性図。
１ｆ……円弧状溝、６……後幕駆動源動レバー
、６ａ……鉄片支持部材、６ｂ……貫通孔、６ｄ
……係合部、７……後幕駆動従動レバー、８……
引きバネ、９ａ……鉄片軸、９ｂ……鉄片、９ｃ
……フランジ、１０……圧縮バネ、１１……捩じ
りバネ、１６……後幕ホールドマグネツト、１６
ａ……鉄心、１６ｂ……溝、１６ｃ……接合面、
１７……二段ピン、１７ａ……小径部、１７ｂ…
…大径部。
FIG. 1 is a front view showing the driving mechanism of a focal plane shutter according to an embodiment of the present invention in a state before shutter charging, and FIG. 2 is a front view showing the mechanism shown in FIG. 1 in a state in which shutter charging is completed. FIG. 3 is a front view showing the mechanism shown in FIG. 1 in a state immediately before shutter release. Figure 4 is an enlarged view of Figure 1.
Fig. 5 is a characteristic diagram showing the running characteristics of the shutter mechanism shown in Fig. 1, Fig. 6 is a characteristic diagram showing the running characteristics of the shutter mechanism when the time is adjusted on the exposure control circuit side, and Fig. 7 is FIG. 7 is a characteristic diagram showing the running characteristics of the shutter mechanism when the time is adjusted by adjusting the running start position of the trailing curtain. 1f...Circular groove, 6... Trailing curtain drive source lever, 6a... Iron piece support member, 6b... Through hole, 6d
...Engaging portion, 7... Trailing curtain drive driven lever, 8...
Pull spring, 9a... Iron piece shaft, 9b... Iron piece, 9c
... Flange, 10 ... Compression spring, 11 ... Torsion spring, 16 ... Rear curtain hold magnet, 16
a...Iron core, 16b...Groove, 16c...Joint surface,
17...Two-stage pin, 17a...Small diameter part, 17b...
...Large diameter section.
Claims (1)
ージ状態からホールド解除されると前記付勢力に
よつて走行する源動部材と、 前記シヤツタ羽根と連結され、該シヤツタ羽根
の作動範囲内において前記源動部材に追従して走
行する従動部材とを有し、 該従動部材の初期チヤージ位置を前記シヤツタ
羽根の所定の走行開始位置に対応した位置で規制
する様になすとともに、前記源動部材を前記シヤ
ツタ羽根の所定の走行開始位置に対応した位置よ
りもオーバーチヤージ可能となし、 該源動部材のオーバーチヤージ量を調整可能と
したことを特徴とするシヤツタの露出秒時調整機
構。[Claims for Utility Model Registration] A power source member that is biased in the traveling direction of the shutter blade and that travels by the biasing force when the hold is released from the initial charge state; and a driven member that travels following the source member within the operating range of the shutter blade, and the initial charge position of the driven member is regulated at a position corresponding to a predetermined travel start position of the shutter blade. , an exposure of the shutter characterized in that the power source member can be overcharged from a position corresponding to a predetermined travel start position of the shutter blade, and the overcharge amount of the power source member can be adjusted. Second hour adjustment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988079985U JPH0626895Y2 (en) | 1988-06-16 | 1988-06-16 | Shutter exposure time adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988079985U JPH0626895Y2 (en) | 1988-06-16 | 1988-06-16 | Shutter exposure time adjustment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH021734U true JPH021734U (en) | 1990-01-08 |
| JPH0626895Y2 JPH0626895Y2 (en) | 1994-07-20 |
Family
ID=31304832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988079985U Expired - Lifetime JPH0626895Y2 (en) | 1988-06-16 | 1988-06-16 | Shutter exposure time adjustment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626895Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS609775U (en) * | 1983-06-30 | 1985-01-23 | 三菱農機株式会社 | Engine heat and sound insulation device for passenger mobile agricultural machinery |
| JPS6239371U (en) * | 1985-08-26 | 1987-03-09 |
-
1988
- 1988-06-16 JP JP1988079985U patent/JPH0626895Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS609775U (en) * | 1983-06-30 | 1985-01-23 | 三菱農機株式会社 | Engine heat and sound insulation device for passenger mobile agricultural machinery |
| JPS6239371U (en) * | 1985-08-26 | 1987-03-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626895Y2 (en) | 1994-07-20 |
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