Patent US4658315A successfully refreshed from Google Patents.
US4658315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic head mounting device of magnetic recording apparatus
Assignee: Hitachi Ltd
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Filing: 1984-10-10
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Granted: 1987-04-14
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Expires: 2004-10-10
Abstract
Abstract A magnetic head mounting device of a magnetic recording apparatus including a carriage, a first magnetic head supported by the carriage, a head arm supported by the carriage for movement in a vertical direction, and a second magnetic head supported by the head arm and disposed in spaced juxtaposed relation to the first magnetic head, wherein both or one of the first magnetic head and second magnetic head is mounted on the carriage or head arm through a gimbal. The gimbal includes a head mounting section for mounting the first magnetic head or second magnetic head thereto, and a supported section disposed outwardly of the head mounting section and partly supported by projections located at the carriage or head arm, the head mounting section and supported section being partly connected together through a plurality of connections. The gimbal is mounted to one or both of the head arm and carriage in such a manner that the head mounting section and supported section are connected together in a direction which is parallel to the direction of sliding movement of the carriage.
Inventors
- 👤 Gen Seki
- 👤 Seiichi Hayashi
- 👤 Haruyuki Kaito
- 👤 Akira Tatsumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:15
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/58; G11B5/10; G11B5/11
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
237 words
A magnetic head mounting device of a magnetic recording apparatus, comprising: a chassis; guide shafts provided in said chassis; a carriage supported slidably on said guide shafts; a head arm provided on said carriage; a first magnetic head disposed on said carriage through a first gimbal; a second magnetic head disposed on said head arm through a second gimbal, said second magnetic head being arranged to confront said first magnetic head through a magnetic disc; and a head arm spring for pressing said second magnetic head against said first mangetic head through said magnetic disc, said carriage including projections for mounting said first gimbal and for allowing a support surface of said first gimbal to extend into a first opening contained in a planar surface of a disc bearing hard cover, said head arm including a support member for mounting said second gimbal and for allowing a support surface of said second gimbal to extend into a second opening contained in a planar surface of a disc bearing hard cover; and said first gimbal including a head mount section on which said first magnetic head is mounted, a support section loated outwardly of said head mount section and partially supported by said projections, and a plurality of connections for partially connecting said support section and said head mount section to each other, said plurality of connections being arranged in parallel to a sliding direction of said carriage.
Claim 2
Dependent Claim
237 words
A magnetic head mounting device of a magnetic recording apparatus, comprising: a chassis; guide shafts provided in said chassis; a carriage supported slidably on said guide shafts; a head arm provided on said carriage; a first magnetic head disposed on said carriage through a first gimbal; a second magnetic head disposed on said head arm through a second gimbal, said second magnetic head being arranged to confront said first magnetic head through a magnetic disc; and a head arm spring for pressing said second magnetic head against said first mangetic head through said magnetic disc, said carriage including projections for mounting said first gimbal and for allowing a support surface of said first gimbal to extend into a first opening contained in a planar surface of a disc bearing hard cover, said head arm including a support member for mounting said second gimbal and for allowing a support surface of said second gimbal to extend into a second opening contained in a planar surface of a disc bearing hard cover; and said first gimbal including a head mount section on which said first magnetic head is mounted, a support section loated outwardly of said head mount section and partially supported by said projections, and a plurality of connections for partially connecting said support section and said head mount section to each other, said plurality of connections being arranged in parallel to a sliding direction of said carriage.
Claim 3
Dependent Claim
62 words
A magnetic head mounting device according to claim 1, wherein said support section and said head mount section are connected to each other through a pair of said connections, said projections and said support section being fixed to each other at two fixing portions and a line connecting said pair of connections being perpendicular to a line connecting said two fixing portions.
Claim 4
Dependent Claim
18 words
A magnetic head mounting device according to claim 1, wherein said projections are formed integrally with said carraige.
Claim 5
Dependent Claim
35 words
A magnetic head mounting device according to claim 1, wherein said head support member is constructed independently of said head arm, and said head support member is made of material having a magnetically shielding characteristic.
Claim 6
Dependent Claim
35 words
A magnetic head mounting device according to claim 4, wherein said head support member is adhered to said head arm, and said second gimbal is welded at a part thereof to said head support member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-04-13 | 1990-10-13 | 1991-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-13 | 1994-10-13 | 1995-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-13 | 1998-10-13 | 1999-04-14 | $7700.00 | Window Closed / Lapsed |