EP0450184A3
Aerodynamically releasable lock for a disk file actuator assembly
Abstract
An actuator lock 11 for a disk drive 1 in which fixed air vanes 13 projecting between a adjacent disks 5a divert air flow, generated by disk rotation, into a narrowing passage 13g1 adjacent the disks 5a to impinge upon an air vane 11f forming part of a rotatably mounted actuator lock 11, to angularly move the actuator lock 11 to release an actuator assembly 7 for movement of the magnetic heads thereon in track seeking and track following operations.
Term
Term ended
Projected expiry passed 20 December 2010, 15.8 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| US4692829A | Cites | United States of America | X | Search report |
| US4706142A | Cites | United States of America | A | Search report |
| US4796131A | Cites | United States of America | A | Search report |
8 members in 5 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 504373 | United States of America | – | |
| 50437390 | United States of America | A | |
| US19900504373 | – | – | – |
Members8
| Document | Office | Kind | |
|---|---|---|---|
| US5036416A | United States of America | A | |
| EP0450184A2 | European Patent Office (EPO) | A2 | |
| BR9006257A | Brazil | A | |
| BR9006257A | Brazil | A | |
| KR910018970A | Republic of Korea | A | |
| EP0450184A3This record | European Patent Office (EPO) | A3 | |
| JPH04228158A | Japan | A | |
| KR930006451B1 | Republic of Korea | B1 |
6 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application deemed to be withdrawnWithdrawn18D | 18D | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA | STAA | |
| Designated contracting statesAK | AK | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Designated contracting statesAK | AK | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 0450184
- Publication, DOCDB
- 0450184
- Publication, EPODOC
- EP0450184
- Application
- 125036
- Application, DOCDB
- 90125036
- Application, EPODOC
- EP19900125036
Titles3
- English
- Aerodynamically releasable lock for a disk file actuator assembly
- German
- Riegel mit aerodynamischer Freigabe für einen Plattenantrieb-Betätiger-Zusammenbau
- French
- Verrou aérodynamiquement libérable pour assemblage actuateur d'entraînement de disque
Classification
- CPC, 2
- G11B5/6005
- G11B5/54
- IPC, 4
- G11B21 12
- G11B5 54
- G11B5 60
- G11B21 22
Designated states4
- Contracting states, 4
- Germany
- France
- United Kingdom
- Italy