Claims
- 1. A disc drive adapted for receiving a sealed removable cartridge containing a disc mounted on a bearing arrangement having a rotor assembly containing a magnet, and a read/write head mounted in the removable cartridge adjacent to the disc with a first actuator component operably connected to the read/write head, wherein said disc drive comprises:
- a housing including a cartridge receiving means adapted for receiving the cartridge;
- a spindle motor means provided in said housing and including a stator assembly for operably engaging the rotor assembly of the removable cartridge for causing the disc to spin, said spindle motor means mounted in said housing such that with the cartridge received in said cartridge receiving means said stator assembly is spaced from, and operably engaging the rotor assembly of the cartridge;
- wherein said stator assembly includes a plurality of electrical coils; and
- a second actuator component spaced from the first actuator component with the cartridge received in the cartridge receiving means and magnetically coupled to the first actuator component for causing movement of the first actuator component located in the cartridge without physically contacting the first actuator component in order to cause the read/write head to move relative to the disc.
- 2. The disc drive of claim 1 wherein said magnet of the rotor assembly includes a plurality of alternating magnetic poles.
- 3. The disc drive of claim 1 wherein there is an axial gap between the stator assembly and the rotor assembly with the sealed removable cartridge received in the cartridge receiving means.
- 4. A disc drive adapted for receiving a first sealed removable cartridge containing a first disc with the first disc mounted on a first bearing arrangement having a first rotor assembly containing a first magnet and the first sealed removable cartridge having a first head and a first actuator component connected to said first head, the first head mounted in the first removable cartridge adjacent to the first disc, and the disc drive adapted for also receiving a second sealed removable cartridge containing a second disc with the second disc mounted on a second bearing arrangement having a second rotor assembly containing a second magnet and the second sealed removable cartridge having a second head and a second actuator component connected to said second head, the second head mounted in the second removable cartridge adjacent the second disc, the disc drive comprising:
- a housing including a cartridge receiving means adapted for receiving either or both of the first and second cartridges, said cartridge receiving means including a first receiver and a second receiver;
- a spindle motor means including a stator assembly for operably engaging the first and second rotor assemblies when the first and second removable cartridges are received in the cartridge receiving means, for causing the first and second discs to spin;
- wherein said stator assembly includes a plurality of electrical coils;
- means for positioning said spindle motor means in said housing between the first and second receivers such that with at least one of the cartridges received in said cartridge receiving means, said spindle motor means is spaced from and operably engaged with said at least one of the cartridges; and
- a third actuator component spaced from the first and second actuator components with the first and second cartridges received in the disc drive and magnetically coupled to the first and second actuator components for causing movement of the first and second actuator components to cause movement of the first head relative to the first disc and the second head relative to the second disc without physically contacting either of the first and the second actuator components.
- 5. The disc drive of claim 4 wherein each of said first and second magnets includes a plurality of alternating magnetic poles.
- 6. The drive of claim 4 wherein there is an axial gap between the stator assembly and the first rotor assembly and wherein there is an axial gap between the stator assembly and the second rotor assembly with the first and second sealed removable cartridges received in the cartridge receiving means.
- 7. A disc drive and removable cartridge system comprising:
- a sealed removable cartridge containing a disc mounted on a bearing arrangement and having a rotor assembly containing a magnet, and a read/write head mounted in the removable cartridge adjacent to the disc, with a first actuator component operably connected to the read/write head; and
- a disc drive having:
- (a) a housing including a cartridge receiving means for receiving the sealed removable cartridge;
- (b) a spindle motor means provided in said housing and including a stator assembly for operably engaging the rotor assembly of the removable cartridge for causing the disc to spin, said spindle motor means mounted in said housing such that with the cartridge received in said cartridge receiving means said stator assembly is spaced from, and operably engaging, the rotor assembly in the cartridge;
- (c) wherein said stator assembly includes a plurality of electrical coils; and
- (d) a second actuator component spaced from the first actuator component with the cartridge received in the cartridge receiving means and magnetically coupled to the first actuator component for causing movement of the first actuator component located in the cartridge without physically contacting the first actuator component in order to cause the read/write head to move relative to the disc.
- 8. The disc drive of claim 7 wherein said magnet of the rotor assembly includes a plurality of alternating magnetic poles.
- 9. The disc drive of claim 7 wherein there is an axial gap between the stator assembly and the rotor assembly, with the sealed removable cartridge received in the cartridge receiving means.
- 10. A disc drive and removable cartridge system comprising:
- a first sealed removable cartridge containing a first disc mounted on a first bearing arrangement having a first rotor assembly containing a first magnet and a first read/write head mounted in the first sealed removable cartridge adjacent to the first disc with a first actuator component operably connected to the first read/write head;
- a second sealed removable cartridge containing a second disc mounted on a second bearing arrangement having a second rotor assembly containing a second magnet and a second read/write head mounted in the second sealed removable cartridge adjacent to the second disc with a second actuator component operably connected to the second read/write head;
- said disc drive having:
- (a) a housing including a cartridge receiving means for receiving the first and the second cartridges, said cartridge receiving means including a first receiver and a second receiver;
- (b) a spindle motor means provided in said housing and including a stator assembly for operably engaging the first and second rotor assemblies of the first and second sealed removable cartridges, with the first and second sealed removable cartridges received in the cartridge receiving means, for causing both the first and second discs to spin;
- (c) wherein said spindle motor means includes a plurality of electrical coils;
- (d) means for positioning said spindle motor means in said housing between the first and second receiver such that with at least one of the cartridges received in said cartridge receiving means, said spindle motor means is spaced from and operably engaged with said at least one of the cartridges;
- (e) a third actuator means component spaced from the first and second actuator components, with the first and second cartridges received in the cartridge receiving means, and magnetically coupled to the first and second actuator components for causing movement of the first and second actuator components located in the first and second cartridges in order to cause the first and second read/write heads respectively to move relative to the respective first and second discs without the third actuator component physically contacting either of the first and the second actuator components.
- 11. The system of claim 10 wherein:
- said first cartridge includes a housing having top and bottom substantially planar walls with the first disc contained therebetween;
- said first rotor assembly disposed adjacent the plane of one of said top and bottom planar walls of the first cartridge;
- said first cartridge including an additional rotor assembly forming part of said first bearing arrangement;
- said additional rotor assembly of said first cartridge disposed adjacent the plane of the other of said top and bottom planar walls of the first cartridge;
- said second cartridge includes a housing having top and bottom substantially planar walls with the second disc contained therebetween;
- said second rotor assembly disposed adjacent the plane of one of said top and bottom planar walls of the second cartridge;
- said second cartridge including additional rotor assembly forming part of said second bearing arrangement;
- said additional rotor assembly of said second cartridge disposed adjacent the plane of the other of said top and bottom planar walls of said second cartridge.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation of Ser. No. 07/417,748, filed Oct. 5, 1989, now abandoned, which is a continuation-in-part of U.S. Patent Application entitled "HIGH DENSITY DISC DRIVE WITH MAGNETIC CLUTCH FOR USE WITH A SEALED REMOVABLE CARTRIDGE", filed on Nov. 14, 1988, Ser. No. 07,/270,948, now U.S. Pat. No. 4,974,103, issued Nov. 27, 1990, and of U.S. patent application entitled "SEALED REMOVABLE CARTRIDGE FOR USE WITH A HIGH DENSITY DISC DRIVE WITH A MAGNETIC CLUTCH", filed on Nov. 14, 1988, Ser. No. 07/270,005, now U.S. Pat. No. 4,965,691, issued Oct. 23, 1990; such applications were owned at the time of invention and are currently owned by the same assignee as the present application.
US Referenced Citations (5)
Related Publications (1)
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270005 |
Nov 1988 |
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Continuations (1)
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417748 |
Oct 1989 |
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Continuation in Parts (1)
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