JPS587859B2 - Elliptical motion mechanism - Google Patents
Elliptical motion mechanismInfo
- Publication number
- JPS587859B2 JPS587859B2 JP10325577A JP10325577A JPS587859B2 JP S587859 B2 JPS587859 B2 JP S587859B2 JP 10325577 A JP10325577 A JP 10325577A JP 10325577 A JP10325577 A JP 10325577A JP S587859 B2 JPS587859 B2 JP S587859B2
- Authority
- JP
- Japan
- Prior art keywords
- rod
- pin
- sliding groove
- length
- fitted
- 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.)
- Expired
Links
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Description
【発明の詳細な説明】
この発明は楕円の長軸の長さと短軸・長軸の比率を調節
して所望の楕円運動を得る楕円運動機構に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an elliptical motion mechanism that adjusts the length of the major axis of an ellipse and the ratio of the minor axis to the major axis to obtain a desired elliptical motion.
従来の楕円運動機構において、長軸の長さと短軸の長さ
を調節する方式の楕円運動機構は、短軸長軸の比率が同
一で大きさの異なる複数の楕円運動を必要とする場合、
その都度、長軸の長さおよび短軸の長さを合わすために
、２個所以上の調節を必要とする。In the conventional elliptical movement mechanism, the elliptic movement mechanism that adjusts the length of the major axis and the length of the short axis requires multiple elliptical movements with the same short axis and long axis ratio but different sizes,
In each case, more than one adjustment is required to match the length of the major axis and the length of the minor axis.
また、長軸の長さと短軸・長軸の比率を調節する方式の
楕円運動機構は、機構が複雑になる。Further, an elliptic motion mechanism that adjusts the length of the major axis and the ratio of the minor axis to the major axis has a complicated mechanism.
大形になる。調節が簡単でないなどの欠点がある。Becomes large. It has drawbacks such as not being easy to adjust.
この発明は比較的簡単な小形の機構で、長軸の長さと短
軸・長軸の比率を調節して所望の楕円運動を得る。This invention is a relatively simple and small mechanism that adjusts the length of the major axis and the ratio of the minor axis to the major axis to obtain a desired elliptical motion.
同一比率の楕円運動を複数必要とする場合は，比率の調
節は最初の１回だけでよく、２回目以降は単に長軸の長
さを調節するだけで、所望の楕円運動を得ることのでき
る楕円運動機構を得ることを目的とする。If multiple elliptical movements with the same ratio are required, the ratio needs to be adjusted only once, and from the second time onward, the desired elliptical movement can be obtained by simply adjusting the length of the major axis. The purpose is to obtain an elliptic motion mechanism.
第１図は原理図で、線分ＢＣの長さは一定で、線分ＢＣ
の中点をＤとし、線分ＤＣの長さと線分ＤＥの長さを等
しくし、線分ＢＣ上の点Ｆを通り直線ＣＥに平行な直線
と線分ＢＥの交点をＧとし、点Ｂが点Ａを中心とする円
を描き、点Ｃ，Ｅが直線ＣＥ上を動くとき、点Ｇの軌跡
は楕円となり，この楕円の長軸の長さは線分ＡＢの長さ
の２倍に等しく、短軸・長軸の比率は線分Ｆ．Ｃの長さ
と線分ＢＣの長さの比に等しい。Figure 1 is a principle diagram, where the length of the line segment BC is constant, and the line segment BC
Let the midpoint of When draws a circle centered on point A, and points C and E move on straight line CE, the locus of point G becomes an ellipse, and the length of the major axis of this ellipse is twice the length of line segment AB. Equally, the ratio of the short axis and long axis is the line segment F. It is equal to the ratio of the length of C to the length of line segment BC.
この発明を第２，３図に示す実施例に基づいて説明する
。This invention will be explained based on the embodiment shown in FIGS. 2 and 3.
基板１に回転するように円板２を取り付け、円板２に調
節自在にピン７を取り付け、円板２にハンドル１２を取
り付け、主杆３の一端をピン７に枢着し、主杆３の半分
の長さの副杆４と主杆３が平行になるように、主杆３の
他端に副杆４の一端を固定し、主杆３の他端にピン８を
固定し、ピン８を基板１に設けた摺動溝１３に嵌合し、
副杆４の他端に副杆４と等長の従杆５の一端をピン９で
枢着し、一直線上にあるように摺動溝１４，１５を移動
杆６に設け、摺動溝１４，１５に垂直になるように摺動
溝１６を移動杆６に設け、従杆５の他端に固定したピン
１０を摺動溝１３，１５に嵌合し、ピン７を摺動溝１４
に嵌合し、主杆３に調節自在に取り付けたピン１１を摺
動溝１６に嵌合した機構である。A disk 2 is attached to the base plate 1 so as to rotate, a pin 7 is attached to the disk 2 so as to be adjustable, a handle 12 is attached to the disk 2, one end of the main rod 3 is pivotally attached to the pin 7, and the main rod 3 Fix one end of the sub-rod 4 to the other end of the main bar 3 so that the sub-bar 4, which is half the length of 8 into the sliding groove 13 provided on the substrate 1,
One end of a secondary rod 5 having the same length as the secondary rod 4 is pivotally attached to the other end of the secondary rod 4 with a pin 9, and sliding grooves 14 and 15 are provided in the movable rod 6 so that they are in a straight line. , 15 are provided on the movable rod 6, the pin 10 fixed to the other end of the follower rod 5 is fitted into the sliding grooves 13, 15, and the pin 7 is inserted into the sliding groove 14.
This is a mechanism in which a pin 11 is fitted into a sliding groove 16 and is adjustably attached to the main rod 3.
ハンドル１２で円板２を回転させると、ピンＩが円運動
をし且つ摺動溝１４を摺動し、ピン８が摺動溝１３を摺
動し、ピン１０が摺動溝１３を摺動し且つ摺動溝１５を
摺動し、ピン１１が摺動溝１６を摺動し、摺動溝１４，
１５の中心線を通る直線と摺動溝１６の中心線を通る直
線の交点は楕円運動をし，移動杆６は回転運動をしない
ので移動杆６のすべての点が楕円運動をする。When the disk 2 is rotated by the handle 12, the pin I makes a circular motion and slides in the sliding groove 14, the pin 8 slides in the sliding groove 13, and the pin 10 slides in the sliding groove 13. and slides on the sliding groove 15, the pin 11 slides on the sliding groove 16, and the sliding groove 14,
The intersection of the straight line passing through the center line of slide groove 15 and the straight line passing through the center line of sliding groove 16 moves in an ellipse, and since the moving rod 6 does not rotate, all points on the moving rod 6 move in an ellipse.
ピンＴの円運動の直径が楕円運動の長軸の長さに等しく
、ピン７，８の中心の距離とピン１１，８の中心の距離
の比が楕円運動の短軸・長軸の比に等しい。The diameter of the circular motion of the pin T is equal to the length of the long axis of the elliptical motion, and the ratio of the distance between the centers of pins 7 and 8 and the distance between the centers of pins 11 and 8 is the ratio of the short axis and long axis of the elliptical motion. equal.
ピン７を円板２に取り付ける位置およびピン１１を主杆
３に取り付ける位置を適当に調節することによって、移
動杆６が所望の楕円運動をするようにできる。By appropriately adjusting the position where the pin 7 is attached to the disc 2 and the position where the pin 11 is attached to the main rod 3, the movable rod 6 can be caused to make a desired elliptical movement.
短軸・長軸の比率が同一で大きさの異なる複数の楕円運
動を必要とする場合は、ピン１１を主杆３に取り付ける
位置の調節は最初の１回だけでよ゛く，２回目以降はピ
ン７を円板２に取り付ける位置を調節するだけで所望の
楕円運動が得られるので、調節が容易である。If multiple elliptical movements with the same short axis/long axis ratio but different sizes are required, the position of attaching the pin 11 to the main rod 3 only needs to be adjusted once the first time, and from the second time onwards. Since the desired elliptical movement can be obtained by simply adjusting the position where the pin 7 is attached to the disc 2, adjustment is easy.
移動杆６のすべての点が楕円運動をするので、移動杆６
の任意の位置に筆記具または工作刃物１７を取り付け、
楕円製図器または楕円工作機構として使用することがで
きる。Since all points of the moving rod 6 move in an ellipse, the moving rod 6
Attach a writing instrument or work knife 17 to any position of the
Can be used as an ellipse drafter or ellipse working mechanism.
第１図は本発明の原理を示す幾何学図、第２図は本発明
実施例の平面図、第３図はその正面図である。
１・・・・・・基板、２・・・・・・円板、３・・・・
・・主杆、４・・・・・・副杆、５・・・・・・従杆、
６・・・・・・移動杆、７・・・・・・ピン、８・・・
・・・ピン、９・・・・・・ピン．１０・・・・・・ピ
ン、１１・・・・・・ピン、１２・・・・・・ハンドル
、１３・・・・・基板の摺動溝、１４・・・・・・移動
杆の摺動溝、１５・・・・・・移動杆の摺動溝、１６・
・・・・・移動杆の摺動溝、１１・・・・・・筆記具ま
たは工作刃物。FIG. 1 is a geometric diagram showing the principle of the invention, FIG. 2 is a plan view of an embodiment of the invention, and FIG. 3 is a front view thereof. 1...Substrate, 2...Disk, 3...
...Main rod, 4...Sub-rod, 5...Sub-rod,
6...Moving rod, 7...Pin, 8...
...Pin, 9...Pin. 10...Pin, 11...Pin, 12...Handle, 13...Sliding groove on board, 14...Sliding on moving rod Moving groove, 15...Sliding groove of moving rod, 16.
...Sliding groove of moving rod, 11... Writing instrument or work knife.
Claims (1)
に調節自在にピン７を．取り付け、主杆３の一端をピン
７に枢着し、主杆３の半分の長さの副杆４と主杆３が平
行になるように、主杆３の他端に副杆４の一端を固定し
、主杆３め他端にピン８を固定し、ピン８を基板１に設
けた摺動溝１３に嵌合し，副杆４の他端に副杆４と等長
の従杆５の一端を枢着し，一直線上にあるように摺動溝
１４１５を移動杆６に設け、摺動溝１４，１５に垂直に
なるように摺動溝１６を移動杆６に設け、従杆５の他端
に固定したピン１０を摺動溝１３，１５に嵌合し、ピン
Ｔを摺動溝１４に嵌合し、主杆３に調節自在に取り付け
たピン１１を摺動溝１６に嵌合し、円板２を回転させる
と移動杆６が楕円運動をするようにした楕円運動機構。1 Attach the disk 2 to the substrate 1 so as to rotate it, and
Pin 7 can be adjusted freely. Attachment: Pivotly connect one end of the main rod 3 to the pin 7, and attach one end of the sub rod 4 to the other end of the main rod 3 so that the main rod 3 is parallel to the sub rod 4, which is half the length of the main rod 3. , fix the pin 8 to the other end of the third main rod, fit the pin 8 into the sliding groove 13 provided on the base plate 1, and attach a secondary rod of the same length as the secondary rod 4 to the other end of the secondary rod 4. A sliding groove 1415 is provided in the movable rod 6 so as to be in a straight line, and a sliding groove 16 is provided in the movable rod 6 so as to be perpendicular to the sliding grooves 14 and 15. The pin 10 fixed to the other end of the rod 5 is fitted into the sliding grooves 13 and 15, the pin T is fitted into the sliding groove 14, and the pin 11 which is adjustable and attached to the main rod 3 is fitted into the sliding groove 16. An elliptical movement mechanism in which the moving rod 6 makes an elliptical movement when the disk 2 is fitted and rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10325577A JPS587859B2 (en) | 1977-08-30 | 1977-08-30 | Elliptical motion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10325577A JPS587859B2 (en) | 1977-08-30 | 1977-08-30 | Elliptical motion mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5438466A JPS5438466A (en) | 1979-03-23 |
| JPS587859B2 true JPS587859B2 (en) | 1983-02-12 |
Family
ID=14349326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10325577A Expired JPS587859B2 (en) | 1977-08-30 | 1977-08-30 | Elliptical motion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS587859B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4985684A (en) * | 1989-08-31 | 1991-01-15 | Motorola, Inc. | Fully integrated digital FM discriminator |
| US6052909A (en) | 1998-08-26 | 2000-04-25 | Gardner; Mark T. | Hand-held oval cutting device |
-
1977
- 1977-08-30 JP JP10325577A patent/JPS587859B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5438466A (en) | 1979-03-23 |
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