JPS6381334A - X-ray film dividing device - Google Patents
X-ray film dividing deviceInfo
- Publication number
- JPS6381334A JPS6381334A JP22725686A JP22725686A JPS6381334A JP S6381334 A JPS6381334 A JP S6381334A JP 22725686 A JP22725686 A JP 22725686A JP 22725686 A JP22725686 A JP 22725686A JP S6381334 A JPS6381334 A JP S6381334A
- Authority
- JP
- Japan
- Prior art keywords
- shielding plate
- movable
- ray film
- driven
- plate
- 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
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
Description
【発明の詳細な説明】
［発明の目的コ
（産業上の利用分野）
本発明は、Ｘ線フィルムを分割撮影に供するために四辺
で規定されるＸ線撮影域を面積可変にしてｘｍフィルム
の撮影面上に設定するＸ線フィルム分割装置に関する。Detailed Description of the Invention [Purpose of the Invention (Industrial Field of Application) The present invention provides a method for dividing an X-ray film into sections by changing the area of the X-ray imaging area defined by its four sides. The present invention relates to an X-ray film dividing device that is set on an imaging plane.
（従来の技術）
ＸＩＩフィルムを用いたＸ線撮影においては、被写体の
所望撮影部位に応じて一枚のＸ線フィルムを種々の大き
さに分割して使用する分割撮影が行なわれている。この
フィルム分割を行なう装置つまりＸ線フィルム分割装置
は、鉛等を用いた遮蔽板から構成され、Ｘ線フィルムの
前面に配置されるものである。(Prior Art) In X-ray imaging using XII film, divided imaging is performed in which a single X-ray film is divided into various sizes depending on the desired part of the subject to be imaged. The device for dividing the film, that is, the X-ray film dividing device, is composed of a shielding plate made of lead or the like, and is placed in front of the X-ray film.
第５図は一般的なＸ線撮影の様子を示しており、Ｘ線管
１から曝射されたＸ線は、被写体２を透過し、分割装置
３で設定された枠内のフィルム４に撮影するものとなっ
ている。従来、この種のＸ線フィルム分割装置３として
は、第６図に示すように、撮影域を規定する横寸法は、
対向配置され且つ図示矢印方向（横方向）に図示しない
駆動装置により移動可能な遮蔽板３ａ、３ｂにより設定
し、装置構成上スペースが制限される縦寸法は、固定穴
付き遮蔽マスク３Ｃにより設定するようにしている。第
６図において、斜線部Ｓが遮蔽板３ａ。FIG. 5 shows a general X-ray photographing situation, in which X-rays emitted from an X-ray tube 1 pass through a subject 2 and are photographed on a film 4 within a frame set by a dividing device 3. It has become something to do. Conventionally, as shown in FIG. 6, for this type of X-ray film dividing device 3, the horizontal dimension defining the imaging area is:
The shielding plates 3a and 3b are arranged facing each other and are movable by a drive device (not shown) in the direction of the arrow shown in the figure (horizontal direction), and the vertical dimension, where space is limited due to the device configuration, is set by the shielding mask 3C with fixed holes. That's what I do. In FIG. 6, the shaded area S is the shielding plate 3a.
３ｂと遮蔽マスク３Ｃとにより設定された分割撮影用撮
影域となる。3b and the shielding mask 3C constitute a photographing area for divided photographing.
ｊｌｉ６図に示す構成では、撮影域の横寸法は所望の寸
法が設定できるが、縦寸法は寸法制限のために、固定化
されており、所望の縦寸法を得るには、固定穴寸法の異
なる遮蔽マスク３ｃを一々差替える必要があり、面倒で
ある。特に、ｘＩ！フィルムが多種類あること及び速写
撮影への適用等のためには設定が迅速に行なわれる必要
がある、等の理由により上述した遮蔽マスク３Ｃを差替
える方式は実用的でなかった。jli6 In the configuration shown in figure 6, the desired horizontal dimension of the imaging area can be set, but the vertical dimension is fixed due to size restrictions, and to obtain the desired vertical dimension, the fixed hole size must be different. It is necessary to replace the shielding mask 3c one by one, which is troublesome. Especially xI! The above-mentioned method of replacing the shielding mask 3C has not been practical due to the fact that there are many types of films and the settings need to be made quickly for applications such as quick-shot photography.
（発明が解決しようとする問題点）
このように従来のＸ線フィルム分割装置は、所望の撮影
域を設定するには一々遮蔽マスクを差替えなければなら
ず、時間を要すことから問題である。(Problems to be Solved by the Invention) As described above, the conventional X-ray film dividing device is problematic because it requires replacing the shielding mask each time to set the desired imaging area, which takes time. .
そこで本発明は、分割撮影のための撮影域を高速且つ簡
単に設定することが可能なＸ線フィルム分割装置を提供
することにある。SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide an X-ray film dividing device that can quickly and easily set the imaging area for divided imaging.
［発明の構成］
（問題点を解決するための手段）
本発明は上記問題点を解決し且つ目的を達成するために
次のような手段を講じたことを特徴としている。すなわ
ち、本発明は、Ｘ線フィルムを分割撮影に供するために
四辺で規定されるＸ線撮影域を面積可変にしてｘｌＩフ
ィルムの撮影面上に設定するｘｍフィルム分割装置にお
いて、前記Ｘｔｔａｍ影滅を規定する四辺はそれぞれ外
部動力により所定方向に移動動作される四つの移動板体
で構成され、この四つの移動板体の肉牛なくとも一つは
、前記外部動力により所定方向に移動可能な主動遮蔽板
と、この主動遮蔽板と同一方向に移動可能であってこの
主動遮蔽板に重ねて設けられた従動遮蔽板と、前記主動
遮蔽板の移動が所定量を超えた後に追従して移動するよ
うに主動遮蔽板と従動遮蔽板とを連結する連結機構とを
具備した構成である。[Structure of the Invention] (Means for Solving the Problems) The present invention is characterized by taking the following measures in order to solve the above problems and achieve the object. That is, the present invention provides an xm film dividing apparatus in which an X-ray imaging area defined by four sides is made variable in area and set on the imaging surface of an xlI film in order to perform divisional imaging of an X-ray film. Each of the four defined sides is composed of four movable plates that are moved in a predetermined direction by an external power, and at least one of the four movable plates is an active shield that can be moved in a predetermined direction by the external power. a driven shielding plate that is movable in the same direction as the active shielding plate and is provided overlapping the active shielding plate, and a driven shielding plate that is configured to follow and move after the movement of the active shielding plate exceeds a predetermined amount. The structure includes a connecting mechanism that connects the active shielding plate and the driven shielding plate.
（作用）
このように構成することにより、Ｘ＃！撮影域管面定す
る四つの移動板体はそれぞれ無段階調整が可能であり、
また移動板体は主動遮蔽板に連結機構を介して従動遮蔽
板を連結したものであり、二枚重ね状態から横並びの状
態へと状態変化することから、ｘｓｉｍ影域の管面囲の
設定が可能になるものである。(Function) With this configuration, X#! Each of the four movable plates that determine the shooting area can be adjusted steplessly.
In addition, the movable plate body is a driving shield plate connected to a driven shield plate via a coupling mechanism, and the state changes from a two-layered state to a side-by-side state, making it possible to set the tube surface area of the xsim shadow area. It is what it is.
（実施例）
以下本発明にかかるＸ線フィルム分割装置の一実施例を
第１図乃至第３図を参照して説明する。(Embodiment) An embodiment of the X-ray film dividing apparatus according to the present invention will be described below with reference to FIGS. 1 to 3.
第１図は二枚の遮蔽板が二枚重ね状態となっている構成
を示す図、第２図は二枚の遮蔽板が横並び状態となって
いる構成を示す図、第３図は本実施例における主動遮蔽
板と従動遮蔽板とを連結する連結機構の詳細を示す図で
ある。FIG. 1 is a diagram showing a configuration in which two shielding plates are stacked, FIG. 2 is a diagram showing a configuration in which two shielding plates are arranged side by side, and FIG. 3 is a diagram showing a configuration in which two shielding plates are stacked side by side. It is a figure showing the details of the connection mechanism which connects a driving shielding board and a driven shielding board.
第１図及び第２図において、ｘｓ線影域Ｓ管面定する四
辺はそれぞれ外部動力としてモータ１８により移動され
る主動ワイヤ１９により所定方向に移動動作される一組
の移動板体１１．１２と他の駆動動力により移動動作さ
れる他の一組の移動板体１３．１４で構成されている。In FIGS. 1 and 2, each of the four sides defining the XS shadow area S tube is a set of moving plates 11 and 12 that are moved in a predetermined direction by a driving wire 19 that is moved by a motor 18 as external power. and another set of movable plates 13, 14 which are moved by other driving power.
この四つの移動板体１１．１２，１３．１４は、長手方
向の辺が対向して配置された縦方向の移動板体（以下「
縦移動板」と称する。＞１１．１２と、この縦方向の移
動板体１１．１２の長手方向に対して直角にその長手方
向の辺が対向して配置された横方向の移動板体（以下「
横移動板」と称する。）１３．１４とから構成されてい
る。ここで、横移動板体１３．１４は後述し、ここでは
、縦移動板体１１．１２について詳細に説明する。These four movable plates 11.12, 13.14 are vertical movable plates (hereinafter referred to as "
It is called "vertical moving plate". >11.12, and a horizontally movable plate (hereinafter referred to as "
It is called a lateral movement plate. )13.14. The laterally moving plates 13.14 will be described later, and the longitudinally moving plates 11.12 will now be explained in detail.
縦移動板１１（又は１２）は、主動ワイヤ１９により縦
方向に移動可能な主動遮蔽板１５と、この主動遮蔽板１
５と同一方向に移動可能であってこの主動遮蔽板１５に
重ねて設けられ主動ワイヤ１９から動力を受けないで従
動ワイヤ２０に連結された従動遮蔽板１６と、主動遮蔽
板１５の移動が所定量を超えた後に追従して移動するよ
うに主動遮蔽板１５と従動遮蔽板１６とを連結する連結
機構１７とにより構成されている。The vertically movable plate 11 (or 12) includes a movable shielding plate 15 that is vertically movable by a movable wire 19, and this movable shielding plate 1.
A driven shielding plate 16 is movable in the same direction as the driving shielding plate 15 and is connected to the driven wire 20 without receiving power from the driving wire 19. It is constituted by a coupling mechanism 17 that connects the driving shielding plate 15 and the driven shielding plate 16 so as to follow and move after the fixed amount is exceeded.
連結機構１７は、第３図に示すように、従動遮蔽板１６
にあっては、その移動方向と同一方向に沿って長溝１７
ａが形成され、主動遮蔽板１５にあっては、長溝１７ａ
内に挿通され且つその長手方向に沿って移動可能であり
且つ長溝１７ａの端部に係止して主動遮蔽板１５が主動
ワイヤ１９により動力を受けて移動動作するに伴って従
動遮蔽板１６を従動させる係止部材１７ｂが主動遮蔽板
。As shown in FIG.
, the long groove 17 is formed along the same direction as the moving direction.
a is formed, and in the active shielding plate 15, a long groove 17a is formed.
It is inserted into the inside and movable along its longitudinal direction, and is locked to the end of the long groove 17a, so that as the driving shielding plate 15 receives power from the driving wire 19 and moves, the driven shielding plate 16 is moved. The driven locking member 17b is the active shielding plate.
１５の下面に固着されている。また、従動遮蔽板１６の
両端部には切込み１７ｅが形成され、図示しないフレー
ムにはストッパーピン１７ｆが固着され、従動遮蔽板１
６の移動により切込み１７ｅの端部がストッパービン１
７ｆに係止することで、従動遮蔽板１６の中心方向への
移動を制限するように構成している（対向した従動遮蔽
板１６゜１６が必要以上に中心方向へ移動すると隙間が
生じるため。）。It is fixed to the bottom surface of 15. Further, notches 17e are formed at both ends of the driven shielding plate 16, and a stopper pin 17f is fixed to a frame (not shown).
6 moves the end of the notch 17e to the stopper bin 1.
7f, the movement of the driven shielding plate 16 toward the center is restricted (because if the opposing driven shielding plates 16° 16 move toward the center more than necessary, a gap will occur). ).
さらに、対向した二つの縦移動板１１．１２の主動遮蔽
板１５．１５と主動ワイヤ１９との関係は次のようにな
っている。すなわち、二つの縦移動板１１．１２の主動
遮蔽板１５．１５が向合う方向に同−員移動できるよう
に、プーリ２１が要所々に配置されると共に、これらプ
ーリ２１にモータ１８により移動される主動ワイヤ１９
が掛は渡され、主動ワイヤ１９には接続部材により主動
遮蔽板１５．１５のそれぞれの端部が接続されている。Furthermore, the relationship between the active shielding plates 15.15 of the two vertically movable plates 11.12 facing each other and the active wire 19 is as follows. That is, pulleys 21 are arranged at strategic locations so that the movable shielding plates 15.15 of the two vertically movable plates 11.12 can move together in opposite directions, and these pulleys 21 are moved by the motor 18. main drive wire 19
The hooks are crossed and each end of the active shield plate 15.15 is connected to the active wire 19 by a connecting member.
さらに、対向した二つの縦移動板１１．１２の従動遮蔽
板１６．１６と従動ワイヤ２０との関係は次のようにな
っている。すなわち、上述した主動遮蔽板１５．１５と
主動ワイヤ１９との関係と同様に、二つの縦移動板１１
．１２の従動遮蔽板１６．１６が向合う方向に同一量移
動できるように、プーリ２１が要所々に配置されると共
に、これらプーリ２１に従動ワイヤ２０が掛は渡され、
従動ワイヤ２０には接続部材により主動遮蔽板１６．１
６のそれぞれの端部が接続されている。Further, the relationship between the driven shielding plates 16.16 of the two vertically movable plates 11.12 facing each other and the driven wire 20 is as follows. That is, similar to the relationship between the active shielding plate 15.15 and the active wire 19 described above, the two vertically moving plates 11
．． Pulleys 21 are arranged at key locations so that the twelve driven shielding plates 16, 16 can move by the same amount in opposite directions, and the driven wires 20 are hooked around these pulleys 21.
The driven wire 20 is connected to the active shielding plate 16.1 by a connecting member.
6 are connected at each end.
なお、横移動板体１３．１４は単板構成であり、向合う
方向に同−ｌ移動できるように、図示しないプーリが要
所々に配置されると共に、これらブーりに図示しないワ
イヤが掛は渡され、ワイヤには接続部材により横移動板
体１３．１４のそれぞれの端部が接続されている。The lateral movement plates 13 and 14 have a single-plate structure, and pulleys (not shown) are arranged at key points so that they can move in the same direction in opposite directions, and wires (not shown) are connected to these pulleys. The respective ends of the transverse plates 13, 14 are connected to the wires by connecting members.
次に上記の如く構成された本実施例の作用について説明
する。すなわち、第１図に示す状態ではＸ１ｉｌｌ影域
Ｓは最大であり、モータ１８が停止し、主動遮蔽板１５
と従動遮蔽板１６とは二枚重ねになっている。モータ１
８が回転すると、主動ワイヤ１９は移動しこれにより主
動遮蔽板１５．１５は図示の向合う縦方向に同一量移動
する。この場合、主動遮蔽板１５の下面に固着された係
止部材１７ｂは、従動遮蔽板１６に形成された長溝１７
ａ内に挿通されその長手方向に沿って移動するが、係止
部材１７ｂが長溝１７ａの一端部に係止することで、主
動遮蔽板１５の移動動作に追随して従動遮蔽板１６を従
動させることになり、第２図のようにｘｖａｍ影域Ｓ管
面まったものとなる。Next, the operation of this embodiment configured as described above will be explained. That is, in the state shown in FIG.
and the driven shielding plate 16 are stacked in two layers. Motor 1
As 8 rotates, the drive wire 19 moves, which causes the drive shield plates 15.15 to move by the same amount in opposite longitudinal directions as shown. In this case, the locking member 17b fixed to the lower surface of the driven shielding plate 15 is connected to the long groove 17 formed in the driven shielding plate 16.
a and moves along its longitudinal direction, but the locking member 17b locks on one end of the long groove 17a, causing the driven shielding plate 16 to follow the movement of the driving shielding plate 15. As a result, as shown in FIG. 2, the xvam shadow area S is completely covered.
上述とは逆に第２図の狭まったｘａｔａ影域Ｓ管面１図
の広がったｘ＊ｍ彰域Ｓとするには、モータ１８を上述
とは逆回転させる。これにより、主動ワイヤ１９を上述
とは逆方向に移動させることで、主動遮蔽板１５．１５
は上述とは逆の向合う縦方向に同一量移動する。この場
合、主動遮蔽板１５の下面に固着された係止部材１７ｂ
は、長溝１７ａの長手方向に沿って上述とは逆方向に移
動するが、係止部材１７ｂが長溝１７ａの他端部に係止
することで、主動遮蔽板１５の移動動作に這随して従動
遮蔽板１６を従動させることになり、第１図の広がった
ｘｉｉｍ影域Ｓ管面定できることになる。Contrary to the above, in order to obtain the narrow xata shadow area S shown in FIG. 2 and the widened x*m shadow area S shown in FIG. 1, the motor 18 is rotated in the opposite direction. As a result, by moving the active wire 19 in the opposite direction to that described above, the active shielding plate 15.15
move by the same amount in the opposite vertical direction to that described above. In this case, the locking member 17b fixed to the lower surface of the active shielding plate 15
moves in the opposite direction to the above-mentioned direction along the longitudinal direction of the long groove 17a, but as the locking member 17b locks on the other end of the long groove 17a, it follows the movement of the active shielding plate 15. By making the driven shielding plate 16 follow, the expanded xiim shadow area S tube surface of FIG. 1 can be determined.
以上のように本実施例によれば、次に列挙するような作
用効果を秦する。As described above, according to this embodiment, the following effects are achieved.
■ 非動作時には主動遮蔽板１５と従動遮蔽板１６とは
二枚重ねとなっていることで、主動遮蔽板１５．１５−
枚分で制限されるｘｍｍ影域８が設定可能であり、また
、動作時には主動遮蔽板１５と従動遮蔽板１６とは横並
びとなっていることで、主動遮蔽板１５と従動遮蔽板１
５とによる二枚重で制限されるｘｍｍ影域８が設定可能
であり、縦方向のスペースを有効に利用したもとなって
いる。■ When not in operation, the active shielding plate 15 and the driven shielding plate 16 are two layers, so that the active shielding plate 15.15-
It is possible to set the xmm shadow area 8 that is limited by the number of sheets, and in operation, the active shielding plate 15 and the driven shielding plate 16 are arranged side by side, so that the active shielding plate 15 and the driven shielding plate 1 can be set.
It is possible to set an xmm shadow area 8 which is limited by the double overlap of the image and the image 5, making effective use of the space in the vertical direction.
■ 上述した撮影域の設定は、モータ１８の回転による
無段階調整であるから、所望の大きさの設定域を高速に
設定することができ、速写撮影等には好適である。(2) The setting of the photographing area described above is a stepless adjustment by rotating the motor 18, so that a setting area of a desired size can be set at high speed, which is suitable for snapshot photography.
■ 移動板１１．１２の移動を、それぞれ別個にワイヤ
１９．２０の移動により行なうようにしているので、移
動板１１．１２の移動量は同−鳳となり、正確な設定域
が確保される。(2) Since the movable plates 11 and 12 are moved individually by moving the wires 19 and 20, the amount of movement of the movable plates 11 and 12 is the same, and an accurate setting range is ensured.
■ 上述したワイヤ１９．２０は、移動板１１゜１２に
近接してその周囲に配置できるので、装置の縦方向の寸
法を大きくすることがない。(2) The above-mentioned wires 19, 20 can be arranged close to and around the moving plates 11, 12 without increasing the longitudinal dimensions of the device.
■ 立位状態においても各組の遮蔽板体は互いに重力バ
ランスしているので、モータ１８の必要出力は一定でよ
く、特に大容量のものを必要としない。(2) Even in the standing position, each set of shielding plates maintains a mutual gravitational balance, so the required output of the motor 18 may be constant, and a particularly large-capacity motor is not required.
次に第４図を参照して本発明の他の実施例について説明
する。すなわち、第４図は連結機構１７の第３図に対す
る変形例の構成を示しており、第１及び第２図における
Ａ−Ａ方向に沿う断面図である。この例は、連結機構１
７として、従動遮蔽。Next, another embodiment of the present invention will be described with reference to FIG. That is, FIG. 4 shows a configuration of a modification of the connection mechanism 17 as compared to FIG. 3, and is a sectional view taken along the direction AA in FIGS. 1 and 2. In this example, the coupling mechanism 1
7, driven shielding.
板１６にあっては、断面略Ｕ字状となるようにその移動
方向に対する前辺及び後辺にそれぞれ係止辺１７ｄｌ
、１７ｄ２が形成されている。そして、主動遮蔽板１５
にあっては、前辺及び後辺の係止辺１７ｄｌ 、１７ｄ
２内でその対向方向に沿って移動可能であり且つ前辺及
び後辺の係止辺１７ｄ１．１７ｄ２に係止して従動遮蔽
板１６を従動させる係止辺１７ｃが断面略Ｌ字状となる
ように主ａｌｌ遮蔽板１５の下面端部に形成されている
。The plate 16 has locking sides 17dl on its front and rear sides in the direction of movement so as to have a substantially U-shaped cross section.
, 17d2 are formed. And the active shielding plate 15
, the front and rear locking sides 17dl and 17d
The locking side 17c that is movable along the opposite direction within the shield plate 2 and that locks the front side and rear side locking sides 17d1 and 17d2 to follow the driven shielding plate 16 has a substantially L-shaped cross section. It is formed at the lower end of the main all shielding plate 15 as shown in FIG.
この構成によれば、第３図の構成と同様に主動遮蔽板１
５の移動動作に追従して従動遮蔽板１６を移動可能であ
り、また、係止辺１７ｄ１又１７ｄ２と係止辺１７ｃと
は鍵合せとなるので、板連結部からのＸ線の漏れが防止
されることになり、設定撮影域外にＸ線が照射されなく
、良好な分割撮影が可能になる。According to this configuration, the active shielding plate 1 is similar to the configuration shown in FIG.
The driven shielding plate 16 can be moved following the moving movement of step 5, and the locking side 17d1 or 17d2 and the locking side 17c are keyed together, so leakage of X-rays from the plate connecting portion is prevented. As a result, X-rays are not irradiated outside the set imaging area, making it possible to perform good divided imaging.
本発明は上述し且つ図示した実施例に限定されるもので
はなく、本発明の要旨を逸脱しない範囲で種々変形して
実施できるものである。The present invention is not limited to the embodiments described and illustrated above, but can be implemented with various modifications without departing from the gist of the present invention.
［発明の効果］
以上のように本発明は、Ｘ線フィルムを分割撮影に供す
るために四辺で規定されるＸ線撮影域を面積可変にして
Ｘ線フィルムの撮影面上に設定するＸ線フィルム分割装
置において、前記Ｘ線撮影域を規定する四辺はそれぞれ
外部動力により所定方向に移動動作される四つの移動板
体で構成され、この四つの移動板体の内少なくとも一つ
は、前記外部動力により所定方向に移動可能な主動遮蔽
板と、この主動遮蔽板と同一方向に移動可能であってこ
の主動遮蔽板に重ねて設けられた従動遮蔽板と、前記主
動遮蔽板の移動が所定量を超えた後に追従して移動する
ように主動遮蔽板と従動遮蔽板とを連結する連結機構と
を具備した構成である。[Effects of the Invention] As described above, the present invention provides an X-ray film in which the X-ray imaging area defined by the four sides is variable in area and set on the imaging surface of the X-ray film in order to perform segmented imaging of the X-ray film. In the dividing device, each of the four sides defining the X-ray imaging area is composed of four movable plates that are moved in a predetermined direction by an external power, and at least one of the four movable plates is moved in a predetermined direction by an external power. a movable shielding plate that is movable in a predetermined direction, a driven shielding plate that is movable in the same direction as the movable shielding plate and is provided overlapping the movable shielding plate, and a movable shielding plate that moves by a predetermined amount. This configuration includes a connection mechanism that connects the driving shielding plate and the driven shielding plate so that they follow and move after crossing the target.
このように構成することにより、ｘ１１撮影域を規定す
る四つの移動板体はそれぞれ無段階調整が可能であり、
また移動板体は主動遮蔽板に連結機構を介して従動遮蔽
板を連結したものであり、二枚重ね状態から横並びの状
態へと状態変化することから、ｘｍｍ影域０広範囲の設
定が可能になるものであり、もって分割撮影のための撮
影域を高速且つ簡単に設定することが可能なＸ線フィル
ム分割装置が提供できるものとなる。With this configuration, each of the four movable plates that define the x11 imaging area can be adjusted steplessly,
In addition, the movable plate body is made by connecting the driven shielding plate to the active shielding plate via a coupling mechanism, and since the state changes from a two-layered state to a side-by-side state, it is possible to set a wide range of xmm shadow area 0. Therefore, it is possible to provide an X-ray film dividing device that can quickly and easily set the imaging area for divided imaging.
第１図乃至第３図は本発明にかかるＸ線フィルム分割装
置の一実施例を示しており、第１図は本実施例における
二枚の遮蔽板が二枚重ね状態となっている構成を示す図
、第２図は本実施例における二枚の遮蔽板が横並び状態
となっている構成を示す図、第３図は本実施例における
主動遮蔽板と従動遮蔽板とを連結する連結機構の詳細を
示す図、第４図は本発明の他の実施例の構成を示す図、
第５図はＸＩ！撮彰の状況を示す図、第６図は従来例の
構成を示す図である。
１１．１２．１３．１４・・・移動板、１５・・・主動
遮蔽板、１６・・・従動遮蔽板、１７・・・連結機構。
出願人代理人 弁理士 鈴江武彦
視方向
第１図
第２図
第３図 第４図
第 ５ｗＩ1 to 3 show an embodiment of the X-ray film dividing device according to the present invention, and FIG. 1 is a diagram showing a structure in which two shielding plates are stacked in this embodiment. , FIG. 2 is a diagram showing a configuration in which two shielding plates are arranged side by side in this embodiment, and FIG. 3 shows details of the connection mechanism that connects the active shielding plate and the driven shielding plate in this embodiment. FIG. 4 is a diagram showing the configuration of another embodiment of the present invention,
Figure 5 is XI! FIG. 6, which is a diagram showing the situation of photographing, is a diagram showing the configuration of a conventional example. 11.12.13.14... Moving plate, 15... Active shielding plate, 16... Driven shielding plate, 17... Connection mechanism. Applicant's representative Patent attorney Takehiko Suzue Viewing direction Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 wI
Claims (5)
定されるＸ線撮影域を面積可変にしてＸ線フィルムの撮
影面上に設定するＸ線フィルム分割装置において、前記
Ｘ線撮影域を規定する四辺はそれぞれ外部動力により所
定方向に移動動作される四つの移動板体で構成され、こ
の四つの移動板体の内少なくとも一つは、前記外部動力
により所定方向に移動可能な主動遮蔽板と、この主動遮
蔽板と同一方向に移動可能であってこの主動遮蔽板に重
ねて設けられた従動遮蔽板と、前記主動遮蔽板の移動が
所定量を超えた後に追従して移動するように主動遮蔽板
と従動遮蔽板とを連結する連結機構とを具備したことを
特徴とするＸ線フィルム分割装置。(1) In an X-ray film dividing device in which an X-ray photographing area defined by four sides is set on the photographing surface of the X-ray film with a variable area in order to divide the X-ray film into sections, the X-ray photographing area is Each of the four defined sides is composed of four movable plates that are moved in a predetermined direction by external power, and at least one of the four movable plates is an active shielding plate that is movable in a predetermined direction by the external power. and a driven shielding plate which is movable in the same direction as the movable shielding plate and is provided overlapping the movable shielding plate, and which is configured to follow and move after the movement of the movable shielding plate exceeds a predetermined amount. An X-ray film dividing device comprising a coupling mechanism that connects a driving shielding plate and a driven shielding plate.
された第１、第２の移動板体と、この第１、第２の移動
板体の長手方向に対して直角にその長手方向の辺が対向
して配置された第３、第４の移動板体とから構成された
ことを特徴とする特許請求の範囲第１項記載のＸ線フィ
ルム分割装置。(2) The four movable plates have a first and a second movable plate whose longitudinal sides are arranged to face each other, and whose longitudinal sides are arranged at right angles to the longitudinal direction of the first and second movable plates. 2. The X-ray film dividing device according to claim 1, further comprising third and fourth movable plates whose longitudinal sides face each other.
を用いたことを特徴とする特許請求の範囲第１項記載の
Ｘ線フィルム分割装置。(3) The X-ray film dividing device according to claim 1, wherein a wire moved by a motor is used as the external power.
動方向と同一方向に沿って長溝が形成され、主動遮蔽板
にあっては、前記長溝内に挿通され且つその長手方向に
沿って移動可能であり且つ前記長溝の端部に係止して前
記従動遮蔽板を従動させる係止部材が主動遮蔽板の下面
に固着されてなることを特徴とする特許請求の範囲第１
項記載のＸ線フィルム分割装置。(4) As a connection mechanism, a long groove is formed along the same direction as the moving direction of the driven shielding plate, and a long groove is formed along the same direction as the moving direction of the driven shielding plate, and a long groove is inserted into the long groove and along the longitudinal direction of the driven shielding plate. Claim 1, characterized in that a movable locking member that locks onto an end of the long groove to drive the driven shielding plate is fixed to the lower surface of the driving shielding plate.
X-ray film dividing device described in Section 1.
Ｕ字状となるようにその移動方向に対する前辺及び後辺
にそれぞれ係止辺が形成され、主動遮蔽板にあっては、
前記前辺及び後辺の係止辺内でその対向方向に沿って移
動可能であり且つ前記前辺及び後辺の係止辺に係止して
前記従動遮蔽板を従動させる係止辺が断面略Ｌ字状とな
るように主動遮蔽板の下面端部に形成されてなることを
特徴とする特許請求の範囲第１項記載のＸ線フィルム分
割装置。(5) As a connection mechanism, in the driven shielding plate, locking sides are formed on the front side and the rear side in the moving direction so that the cross section is approximately U-shaped, and in the driving shielding plate,
A locking side that is movable in the opposite direction within the locking sides of the front side and the rear side and that locks to the locking sides of the front side and the rear side to follow the driven shielding plate has a cross section. The X-ray film dividing device according to claim 1, wherein the X-ray film dividing device is formed at the lower end of the active shielding plate so as to have a substantially L-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61227256A JP2519219B2 (en) | 1986-09-26 | 1986-09-26 | X-ray film dividing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61227256A JP2519219B2 (en) | 1986-09-26 | 1986-09-26 | X-ray film dividing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6381334A true JPS6381334A (en) | 1988-04-12 |
| JP2519219B2 JP2519219B2 (en) | 1996-07-31 |
Family
ID=16857969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61227256A Expired - Fee Related JP2519219B2 (en) | 1986-09-26 | 1986-09-26 | X-ray film dividing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2519219B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07219028A (en) * | 1994-01-28 | 1995-08-18 | Nitto Kogaku Kk | Panoramic switching-over device of camera |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5676877U (en) * | 1980-11-13 | 1981-06-23 | ||
| JPS5831141U (en) * | 1981-08-24 | 1983-03-01 | ソニー株式会社 | impact printer device |
| JPS5948997U (en) * | 1982-09-25 | 1984-03-31 | ナショナル住宅産業株式会社 | Folding door |
-
1986
- 1986-09-26 JP JP61227256A patent/JP2519219B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5676877U (en) * | 1980-11-13 | 1981-06-23 | ||
| JPS5831141U (en) * | 1981-08-24 | 1983-03-01 | ソニー株式会社 | impact printer device |
| JPS5948997U (en) * | 1982-09-25 | 1984-03-31 | ナショナル住宅産業株式会社 | Folding door |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07219028A (en) * | 1994-01-28 | 1995-08-18 | Nitto Kogaku Kk | Panoramic switching-over device of camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2519219B2 (en) | 1996-07-31 |
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