JPH03108493U - - Google Patents
Info
- Publication number
- JPH03108493U JPH03108493U JP1640490U JP1640490U JPH03108493U JP H03108493 U JPH03108493 U JP H03108493U JP 1640490 U JP1640490 U JP 1640490U JP 1640490 U JP1640490 U JP 1640490U JP H03108493 U JPH03108493 U JP H03108493U
- Authority
- JP
- Japan
- Prior art keywords
- worm
- worm wheel
- support base
- protractor
- movable
- 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
- 210000000078 claw Anatomy 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 239000011888 foil Substances 0.000 description 1
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
第１図は断面図、第２図は底面図、第３図は底
面図である。
２……操作ヘツド、４……支持ベース、６……
外軸、８……主軸、１０……ハンドル、１２……
スケール取付板、１４……ウオームホイル、１６
……管体、１８……分度盤、２０……インデツク
スリング、２２……底板、２４……軸、２６……
ホルダ部材、２８……つまみ、３０……軸体、３
２……ウオーム、３４……長穴、３６……ストツ
パー軸、３８……スプリング、４０……二次基線
バーニヤ、４２……板ばね、４４……基線インデ
ツクス爪、４６……歯みぞ。
FIG. 1 is a sectional view, FIG. 2 is a bottom view, and FIG. 3 is a bottom view. 2... Operation head, 4... Support base, 6...
Outer shaft, 8...Main shaft, 10...Handle, 12...
Scale mounting plate, 14... Worm foil, 16
... tube body, 18 ... protractor, 20 ... index ring, 22 ... bottom plate, 24 ... shaft, 26 ...
Holder member, 28... knob, 30... shaft body, 3
2...Worm, 34...Elongated hole, 36...Stopper shaft, 38...Spring, 40...Secondary baseline vernier, 42...Leaf spring, 44...Baseline index pawl, 46...Tooth groove.
Claims (1)
で任意の方向に移動自在な支持ベース４に支持さ
れた分度盤１８のゼロ基準に対する、スケール取
付板１２の回転量を表示するようにした装置にお
いて、前記支持ベース４にウオーム３２を外部操
作によつて回転可能に支持し、前記分度盤１８に
ウオームホイール１４を固設し、該ウオームホイ
ール１４に前記ウオーム３２を噛み合わせことを
特徴とする自動平行定規における二次基線装置。 (2) 前記支持ベース４側に基線インデツクス爪
４４を弾発的に取り付け、このインデツクス爪４
４を前記ウオームホイル１４の歯みぞ４６に嵌合
し、前記ウオーム３２を、前記ウオームホイル１
４対にして接離方向に移動可能としたことを特徴
とする第１項記載の自在平行定規における二次基
線装置。[Claims for Utility Model Registration] (1) Scale installation with respect to the zero reference of the protractor 18 supported by the support base 4 which is movable in any direction while maintaining a predetermined angle with respect to the drawing surface. In the device for displaying the amount of rotation of the plate 12, a worm 32 is rotatably supported on the support base 4 by external operation, a worm wheel 14 is fixed to the protractor 18, and the worm wheel 14. A secondary baseline device in an automatic parallel ruler, characterized in that the worm 32 is engaged with the worm 32. (2) A baseline index claw 44 is resiliently attached to the support base 4 side, and this index claw 4
4 is fitted into the tooth groove 46 of the worm wheel 14, and the worm 32 is inserted into the worm wheel 1.
2. A secondary baseline device for a universal parallel ruler according to claim 1, characterized in that the ruler is arranged in four pairs and is movable in the approaching and separating directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1640490U JPH03108493U (en) | 1990-02-21 | 1990-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1640490U JPH03108493U (en) | 1990-02-21 | 1990-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03108493U true JPH03108493U (en) | 1991-11-07 |
Family
ID=31519673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1640490U Pending JPH03108493U (en) | 1990-02-21 | 1990-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03108493U (en) |
-
1990
- 1990-02-21 JP JP1640490U patent/JPH03108493U/ja active Pending
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