JPH0254152U - - Google Patents
Info
- Publication number
- JPH0254152U JPH0254152U JP13238388U JP13238388U JPH0254152U JP H0254152 U JPH0254152 U JP H0254152U JP 13238388 U JP13238388 U JP 13238388U JP 13238388 U JP13238388 U JP 13238388U JP H0254152 U JPH0254152 U JP H0254152U
- Authority
- JP
- Japan
- Prior art keywords
- automatic
- shutter mechanism
- mechanism according
- shutter
- shaft
- 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
Landscapes
- Microscoopes, Condenser (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Description
第１図は本案実施例の平面図、第２図はシヤツ
ター板を閉じた状態の側面図、第３図はシヤツタ
ー板を用いた状態の側面図である。
２……シヤツター板、５……手動レバー、８…
…シヤツター軸、１０……コロ受、１１……コロ
ベアリング、１２……シヤツターカム、１３……
カム駆動モータ。
FIG. 1 is a plan view of the embodiment of the present invention, FIG. 2 is a side view with the shutter plate closed, and FIG. 3 is a side view with the shutter plate in use. 2...Shutter plate, 5...Manual lever, 8...
... Shutter shaft, 10 ... Roller holder, 11 ... Roller bearing, 12 ... Shutter cam, 13 ...
Cam drive motor.
Claims (1)
、シヤツター軸と駆動源とが連結されないで、手
動操作時も何んの切替え操作等なしで、使用可能
な事を特徴とする自動シヤツター機構。 ２ 請求項１記載のシヤツター機構に於いて、自
動駆動モータは一方向回転でシヤツターの開閉が
行うようにした事を特徴とする自動シヤツター機
構。 ３ 請求項１記載のシヤツター機構に於いて、シ
ヤツターの開閉位置はカムにより決定されるよう
にしたことを特徴とする自動シヤツター機構。 ４ 請求項１記載のシヤツター機構に於いて、手
動操作しても、自動駆動との位置ズレが生じない
事を特徴とする自動シヤツター機構。 ５ 請求項１記載のシヤツター機構に於いて、自
動駆動モータの回転方向は任意であることを特徴
とする自動シヤツター機構。 ６ 請求項１記載のシヤツター機構に於いて、自
動駆動軸かシヤツター軸かの一方の接触部をコロ
がりとして摩擦を最小とし振動を防止するように
構成した事を特徴とする自動シヤツター機構。 ７ 請求項１記載のシヤツター機構に於いて、駆
動カムがシヤツター軸を通過するようにして、カ
ムを小形にした事を特徴とする自動シヤツター機
構。[Scope of Claim for Utility Model Registration] 1. In an automatic shutter mechanism such as an electron microscope, the shutter shaft and drive source are not connected, and the invention is characterized in that it can be used without any switching operation even during manual operation. automatic shutter mechanism. 2. The automatic shutter mechanism according to claim 1, wherein the automatic drive motor rotates in one direction to open and close the shutter. 3. The automatic shutter mechanism according to claim 1, wherein the opening and closing positions of the shutter are determined by a cam. 4. The automatic shutter mechanism according to claim 1, wherein even when manually operated, no positional deviation occurs from automatic drive. 5. The automatic shutter mechanism according to claim 1, wherein the automatic drive motor can rotate in any direction. 6. The automatic shutter mechanism according to claim 1, wherein the contact portion of one of the automatic drive shaft and the shutter shaft is rolled to minimize friction and prevent vibration. 7. The automatic shutter mechanism according to claim 1, wherein the drive cam passes through the shutter shaft, thereby making the cam compact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13238388U JPH0254152U (en) | 1988-10-12 | 1988-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13238388U JPH0254152U (en) | 1988-10-12 | 1988-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0254152U true JPH0254152U (en) | 1990-04-19 |
Family
ID=31389291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13238388U Pending JPH0254152U (en) | 1988-10-12 | 1988-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0254152U (en) |
-
1988
- 1988-10-12 JP JP13238388U patent/JPH0254152U/ja active Pending
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