JPH0486429U - - Google Patents
Info
- Publication number
- JPH0486429U JPH0486429U JP12908190U JP12908190U JPH0486429U JP H0486429 U JPH0486429 U JP H0486429U JP 12908190 U JP12908190 U JP 12908190U JP 12908190 U JP12908190 U JP 12908190U JP H0486429 U JPH0486429 U JP H0486429U
- Authority
- JP
- Japan
- Prior art keywords
- movable
- columns
- column
- coil spring
- fixed
- 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
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
Landscapes
- Springs (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
- Drawing Aids And Blackboards (AREA)
Description
第１図は製図台の一部切欠正面図、第２図は第
１図のＡ−Ａ線矢視断面図、第３図は第１図のＢ
−Ｂ線矢視図である。
５，６……固定支柱、７，８……可動支柱、１
１……同期機構、１２，１３……プーリ、１４，
１５……ワイヤ、１９……図板枠、２２……ガス
スプリング、２８……コイルスプリング、３３…
…弾力調節機構。
Figure 1 is a partially cutaway front view of the drafting table, Figure 2 is a sectional view taken along the line A-A in Figure 1, and Figure 3 is B in Figure 1.
- It is a view taken along the line B. 5, 6... Fixed support, 7, 8... Movable support, 1
1...Synchronization mechanism, 12, 13...Pulley, 14,
15... wire, 19... drawing board frame, 22... gas spring, 28... coil spring, 33...
...Elasticity adjustment mechanism.
Claims (1)
６に遊挿され上下動自在な可動支柱７，８と、該
可動支柱７，８の上部に枢着した図板枠１９とか
らなり、ギヤ若しくはプーリ１２，１３とワイヤ
１４，１５等による同期機構１１によつて左右の
可動支柱７，８を連動させると共に、一方の固定
支柱６と可動支柱８とにガススプリング２２を介
装し、可動支柱７，８及び図板枠１９を上方へ付
勢して昇降操作を容易ならしめるようにした製図
台１に於て、他方の固定支柱５と可動支柱７とに
コイルスプリング２８を介装し、前記他方の固定
支柱５或いは可動支柱７に前記コイルスプリング
２８の圧縮長さを変化できる弾力調節機構３３を
設けたことを特徴とする製図台に於ける昇降装置
。 A pair of left and right fixed columns 5, 6, and the fixed columns 5,
It consists of movable columns 7 and 8 that are loosely inserted into the movable columns 7 and 8 and can move up and down, and a drawing board frame 19 that is pivotally attached to the upper part of the movable columns 7 and 8. The left and right movable columns 7, 8 are interlocked by a mechanism 11, and a gas spring 22 is interposed between one fixed column 6 and one movable column 8, and the movable columns 7, 8 and the drawing board frame 19 are attached upward. In the drafting table 1, which is designed to facilitate lifting and lowering operations by applying pressure, a coil spring 28 is interposed between the other fixed column 5 and the movable column 7, and the other fixed column 5 or movable column 7 is provided with a coil spring 28. An elevating device for a drafting table, characterized by being provided with an elasticity adjustment mechanism 33 that can change the compression length of a coil spring 28.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12908190U JPH07984Y2 (en) | 1990-11-30 | 1990-11-30 | Lifting device on the drafting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12908190U JPH07984Y2 (en) | 1990-11-30 | 1990-11-30 | Lifting device on the drafting table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0486429U true JPH0486429U (en) | 1992-07-28 |
| JPH07984Y2 JPH07984Y2 (en) | 1995-01-18 |
Family
ID=31876503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12908190U Expired - Lifetime JPH07984Y2 (en) | 1990-11-30 | 1990-11-30 | Lifting device on the drafting table |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07984Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622759A (en) * | 2022-04-01 | 2022-06-14 | 广州协安建设工程有限公司 | Sliding formwork construction method for wall columns with different variable cross-section structures of granary |
-
1990
- 1990-11-30 JP JP12908190U patent/JPH07984Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114622759A (en) * | 2022-04-01 | 2022-06-14 | 广州协安建设工程有限公司 | Sliding formwork construction method for wall columns with different variable cross-section structures of granary |
| CN114622759B (en) * | 2022-04-01 | 2023-08-29 | 广州协安建设工程有限公司 | Sliding formwork construction method for wall column with different-deformation cross-section structure of granary |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07984Y2 (en) | 1995-01-18 |
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