JPH0331997U - - Google Patents
Info
- Publication number
- JPH0331997U JPH0331997U JP9180489U JP9180489U JPH0331997U JP H0331997 U JPH0331997 U JP H0331997U JP 9180489 U JP9180489 U JP 9180489U JP 9180489 U JP9180489 U JP 9180489U JP H0331997 U JPH0331997 U JP H0331997U
- Authority
- JP
- Japan
- Prior art keywords
- rope
- pulleys
- rope pulleys
- vertical rails
- cursor
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は、本考案に係る平行定規装置の一実施
例の要部を取り出して示す概略説明図、第２図は
その実施例の概略平面図、第３図はその要部の縦
断面図であり、第４図はその他の要部の縦断面図
である。
１……図板、２……縦レール、３……カーソル
、４……スケール、５，６……中間ローププーリ
、７……端部ローププーリ、９……中間ローププ
ーリの支軸、１６……端部ローププーリの支軸、
Ｒ……ロープ。
Fig. 1 is a schematic explanatory diagram showing the main parts of an embodiment of the parallel ruler device according to the present invention, Fig. 2 is a schematic plan view of the embodiment, and Fig. 3 is a vertical sectional view of the main parts. FIG. 4 is a longitudinal sectional view of other important parts. 1... Drawing board, 2... Vertical rail, 3... Cursor, 4... Scale, 5, 6... Intermediate rope pulley, 7... End rope pulley, 9... Intermediate rope pulley spindle, 16... End Part rope pulley spindle,
R...Rope.
Claims (1)
ールの上端部に夫々２個の重なり合う中間ロープ
プーリを配設すると共に、各縦レールの下端部に
夫々１個の端部ローププーリを配置し、前記端部
ローププーリ間にカーソル取付用のロープを無端
環状に掛け渡し、該ロープの中間を前記夫々２個
の中間ローププーリに巻き掛け、前記左右両側の
縦レールに沿つて同時に同一方向に移動するロー
プにカーソルを取付け、該カーソル間に図板面上
に占位するスケールを設けてなる平行定規装置に
おいて、前記所定間隔で重ねて設けた２個の中間
ローププーリに対して端部ローププーリが、前記
重なり合う２個のローププーリのプーリ間隔と端
部ローププーリに掛け渡したロープ間隔とが略等
しくなるように傾斜して設けてあることを特徴と
する平行定規装置。 Vertical rails are provided on both the left and right sides of the drawing board, two overlapping intermediate rope pulleys are arranged at the upper ends of these vertical rails, and one end rope pulley is arranged at the lower end of each vertical rail. A rope for attaching a cursor is stretched between the end rope pulleys in an endless ring, and the middle of the rope is wound around each of the two intermediate rope pulleys, so that the rope moves simultaneously in the same direction along the vertical rails on both the left and right sides. In a parallel ruler device in which a cursor is attached and a scale placed on the drawing surface is provided between the cursors, an end rope pulley is connected to the two intermediate rope pulleys which are overlapped at a predetermined interval. 1. A parallel ruler device, characterized in that the device is inclined so that the distance between the rope pulleys and the distance between the ropes stretched over the end rope pulleys are approximately equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989091804U JP2506296Y2 (en) | 1989-08-03 | 1989-08-03 | Parallel ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989091804U JP2506296Y2 (en) | 1989-08-03 | 1989-08-03 | Parallel ruler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0331997U true JPH0331997U (en) | 1991-03-28 |
| JP2506296Y2 JP2506296Y2 (en) | 1996-08-07 |
Family
ID=31641269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989091804U Expired - Lifetime JP2506296Y2 (en) | 1989-08-03 | 1989-08-03 | Parallel ruler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2506296Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5720396U (en) * | 1980-07-10 | 1982-02-02 |
-
1989
- 1989-08-03 JP JP1989091804U patent/JP2506296Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5720396U (en) * | 1980-07-10 | 1982-02-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2506296Y2 (en) | 1996-08-07 |
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