DK634088A - BLADES INSTRUMENT VALVE - Google Patents
BLADES INSTRUMENT VALVEInfo
- Publication number
- DK634088A DK634088A DK634088A DK634088A DK634088A DK 634088 A DK634088 A DK 634088A DK 634088 A DK634088 A DK 634088A DK 634088 A DK634088 A DK 634088A DK 634088 A DK634088 A DK 634088A
- Authority
- DK
- Denmark
- Prior art keywords
- blades
- instrument valve
- piston
- produced
- magnets
- Prior art date
Links
Landscapes
- Magnetically Actuated Valves (AREA)
- Lift Valve (AREA)
- Toys (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
Wind instrument valve (Fig. 1), in which the piston action is normally produced by spring force (Fig. 2) is modified in such a manner that the piston force is produced by 2 flat magnets with the poles positioned so the magnets repel one another (Fig. 3). In this way, the desired piston action is achieved. <IMAGE>
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK634088A DK171742B1 (en) | 1988-11-14 | 1988-11-14 | Valve for a wind instrument with valve piston |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK634088 | 1988-11-14 | ||
| DK634088A DK171742B1 (en) | 1988-11-14 | 1988-11-14 | Valve for a wind instrument with valve piston |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK634088D0 DK634088D0 (en) | 1988-11-14 |
| DK634088A true DK634088A (en) | 1990-07-25 |
| DK171742B1 DK171742B1 (en) | 1997-04-21 |
Family
ID=8148598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK634088A DK171742B1 (en) | 1988-11-14 | 1988-11-14 | Valve for a wind instrument with valve piston |
Country Status (1)
| Country | Link |
|---|---|
| DK (1) | DK171742B1 (en) |
-
1988
- 1988-11-14 DK DK634088A patent/DK171742B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK634088D0 (en) | 1988-11-14 |
| DK171742B1 (en) | 1997-04-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PBP | Patent lapsed |
Country of ref document: DK |