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
- Toys (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Magnetically Actuated Valves (AREA)
- Lift Valve (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 |
|---|---|---|---|
| DK634088A DK171742B1 (en) | 1988-11-14 | 1988-11-14 | Valve for a wind instrument with valve piston |
| DK634088 | 1988-11-14 |
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 |