US4788677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk support mechanism in a player
Assignee: Pioneer Corp
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Filing: 1987-02-05
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Granted: 1988-11-29
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Expires: 2007-02-05
Abstract
Abstract A support mechanism for a disk player in which a turntable is supported on a metal plate which is screwed to a resin plate. A carriage carrying an optical pickup and its drive are mounted on the resin plate between the two plates but the carriage is guided by the metal plate. The optical pickup tracks the disk through an opening in the metal plate.
Inventors
- 👤 Yuji Ikedo
- 👤 Kenichi Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:27
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/08; G11B7/085; G11B7/0857; G11B7/08582; G11B19/00; G11B19/20; G11B19/2009; G11B25/00; G11B25/04; G11B25/043; G11B33/00; G11B33/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
183 words
A disk player comprising: a support mechanism including a first plate-like support member with an opening in a main surface thereof; a turntable mounted on said first support member for bearing and rotating a disk on a disk carrying surface adjacent said opening; guiding means provided on said first support member and including a linear sliding member and holding means; and a carriage which carries optical pickup means including an objective lens for causing a spotlight to impinge onto a recording surface of a disk and which slides on said sliding member and is guided by said guiding means in a moving direction substantially parallel to said disk carrying surface of said turntable, said carriage being held against said first support member by said holding means on a first side of said carriage with respect to said linear sliding member so as to be guided by said guiding means, said objective lens being disposed on a second side of said carriage opposite said first side with respect to said linear sliding member and being disposed adjacent said opening of said first support member.
Claim 2
Dependent Claim
183 words
A disk player comprising: a support mechanism including a first plate-like support member with an opening in a main surface thereof; a turntable mounted on said first support member for bearing and rotating a disk on a disk carrying surface adjacent said opening; guiding means provided on said first support member and including a linear sliding member and holding means; and a carriage which carries optical pickup means including an objective lens for causing a spotlight to impinge onto a recording surface of a disk and which slides on said sliding member and is guided by said guiding means in a moving direction substantially parallel to said disk carrying surface of said turntable, said carriage being held against said first support member by said holding means on a first side of said carriage with respect to said linear sliding member so as to be guided by said guiding means, said objective lens being disposed on a second side of said carriage opposite said first side with respect to said linear sliding member and being disposed adjacent said opening of said first support member.
Claim 3
Dependent Claim
38 words
An information recorded disk player as recited in claim 1, in which said guiding means further comprises means for adjusting an angle of inclination of said carriage in a plane perpendicular to the moving direction of said carriage.
Claim 4
Dependent Claim
73 words
A disk player as recited in claim 1, wherein said support mechanism further includes an auxiliary plate-like support member fixed to said first plate-like support member, wherein said guiding means and said turntable are mounted on said first plate-like support member and further comprising supporting means mounted on said auxiliary support member for supporting said carriage and moving means mounted on said auxiliary support member for moving said carriage along said moving direction.
Claim 5
Dependent Claim
30 words
A disk player as recited in claim 3, wherein said carriage, said supporting means and said moving means are disposed between said first support member and said auxiliary support member.
Claim 6
Dependent Claim
27 words
A disk player as recited in claim 3, wherein said first plate-like support member is metallic and wherein said auxiliary support member substantially consists of a resin.
Claim 7
Dependent Claim
26 words
A disk player as recited in claim 1, wherein said objective lens is disposed at an outside of an outline of said first plate-like 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) | 1991-11-29 | 1992-05-30 | 1992-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-29 | 1996-05-30 | 1996-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-29 | 2000-05-30 | 2000-11-29 | $7700.00 | Window Closed / Lapsed |