JPH0173845U - - Google Patents
Info
- Publication number
- JPH0173845U JPH0173845U JP1987169532U JP16953287U JPH0173845U JP H0173845 U JPH0173845 U JP H0173845U JP 1987169532 U JP1987169532 U JP 1987169532U JP 16953287 U JP16953287 U JP 16953287U JP H0173845 U JPH0173845 U JP H0173845U
- Authority
- JP
- Japan
- Prior art keywords
- screw shaft
- nut
- screw
- moving piece
- screwed
- 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
- 230000003028 elevating effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169532U JPH0173845U (el) | 1987-11-05 | 1987-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169532U JPH0173845U (el) | 1987-11-05 | 1987-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0173845U true JPH0173845U (el) | 1989-05-18 |
Family
ID=31459679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169532U Pending JPH0173845U (el) | 1987-11-05 | 1987-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0173845U (el) |
-
1987
- 1987-11-05 JP JP1987169532U patent/JPH0173845U/ja active Pending