JPS57144411A - Vertex measuring device - Google Patents
Vertex measuring deviceInfo
- Publication number
- JPS57144411A JPS57144411A JP2958481A JP2958481A JPS57144411A JP S57144411 A JPS57144411 A JP S57144411A JP 2958481 A JP2958481 A JP 2958481A JP 2958481 A JP2958481 A JP 2958481A JP S57144411 A JPS57144411 A JP S57144411A
- Authority
- JP
- Japan
- Prior art keywords
- vertex
- pipe
- measuring device
- round object
- pressing
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
PURPOSE:To permit accurate measurement of the vertex of a round object by pressing a flexible transparent pipe onto the round object across the same and finding the vertex from the position of the air bubble in said pipe. CONSTITUTION:To measure the vertex of a round object, the user holds both ends of a flexible transparent pipe 2 and presses the pipe to said object across the position to be measured. The point where the point of the center of an air bubble 3 of a vertex measuring device is dropped perpendicularly in the position where the bubble 3 rests is the position to be measured of the vertex 6. Thus, the vertex 6 is found accurately and instantaneously simply by pressing the device to the measuring position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2958481A JPS57144411A (en) | 1981-02-28 | 1981-02-28 | Vertex measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2958481A JPS57144411A (en) | 1981-02-28 | 1981-02-28 | Vertex measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57144411A true JPS57144411A (en) | 1982-09-07 |
Family
ID=12280123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2958481A Pending JPS57144411A (en) | 1981-02-28 | 1981-02-28 | Vertex measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57144411A (en) |
-
1981
- 1981-02-28 JP JP2958481A patent/JPS57144411A/en active Pending
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