JPH07984Y2 - 製図台に於ける昇降装置 - Google Patents
製図台に於ける昇降装置Info
- Publication number
- JPH07984Y2 JPH07984Y2 JP12908190U JP12908190U JPH07984Y2 JP H07984 Y2 JPH07984 Y2 JP H07984Y2 JP 12908190 U JP12908190 U JP 12908190U JP 12908190 U JP12908190 U JP 12908190U JP H07984 Y2 JPH07984 Y2 JP H07984Y2
- Authority
- JP
- Japan
- Prior art keywords
- movable
- columns
- fixed
- drawing board
- coil spring
- 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 - Lifetime
Links
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000010485 coping Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Springs (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12908190U JPH07984Y2 (ja) | 1990-11-30 | 1990-11-30 | 製図台に於ける昇降装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12908190U JPH07984Y2 (ja) | 1990-11-30 | 1990-11-30 | 製図台に於ける昇降装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0486429U JPH0486429U (en]) | 1992-07-28 |
| JPH07984Y2 true JPH07984Y2 (ja) | 1995-01-18 |
Family
ID=31876503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12908190U Expired - Lifetime JPH07984Y2 (ja) | 1990-11-30 | 1990-11-30 | 製図台に於ける昇降装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07984Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622759B (zh) * | 2022-04-01 | 2023-08-29 | 广州协安建设工程有限公司 | 一种粮仓异形变截面结构壁柱滑模施工方法 |
-
1990
- 1990-11-30 JP JP12908190U patent/JPH07984Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0486429U (en]) | 1992-07-28 |
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